/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix056_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 22:36:49,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 22:36:49,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 22:36:49,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 22:36:49,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 22:36:49,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 22:36:49,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 22:36:49,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 22:36:49,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 22:36:49,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 22:36:49,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 22:36:49,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 22:36:49,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 22:36:49,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 22:36:49,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 22:36:49,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 22:36:49,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 22:36:49,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 22:36:49,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 22:36:49,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 22:36:49,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 22:36:49,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 22:36:49,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 22:36:49,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 22:36:49,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 22:36:49,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 22:36:49,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 22:36:49,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 22:36:49,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 22:36:49,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 22:36:49,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 22:36:49,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 22:36:49,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 22:36:49,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 22:36:49,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 22:36:49,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 22:36:49,775 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 22:36:49,830 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 22:36:49,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 22:36:49,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 22:36:49,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 22:36:49,834 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 22:36:49,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 22:36:49,835 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 22:36:49,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 22:36:49,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 22:36:49,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 22:36:49,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 22:36:49,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 22:36:49,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 22:36:49,837 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 22:36:49,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 22:36:49,838 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 22:36:49,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 22:36:49,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 22:36:49,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 22:36:49,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 22:36:49,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 22:36:49,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:36:49,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 22:36:49,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 22:36:49,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 22:36:49,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 22:36:49,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 22:36:49,840 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 22:36:49,840 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 22:36:49,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 22:36:49,841 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 22:36:50,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 22:36:50,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 22:36:50,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 22:36:50,292 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 22:36:50,293 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 22:36:50,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_tso.opt.i [2021-04-28 22:36:50,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ae23801/0dd452c93cee4ba1b37098ef4f1fe2be/FLAGf5bc6d163 [2021-04-28 22:36:51,122 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 22:36:51,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_tso.opt.i [2021-04-28 22:36:51,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ae23801/0dd452c93cee4ba1b37098ef4f1fe2be/FLAGf5bc6d163 [2021-04-28 22:36:51,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ae23801/0dd452c93cee4ba1b37098ef4f1fe2be [2021-04-28 22:36:51,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 22:36:51,446 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 22:36:51,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 22:36:51,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 22:36:51,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 22:36:51,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:36:51" (1/1) ... [2021-04-28 22:36:51,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f338ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:51, skipping insertion in model container [2021-04-28 22:36:51,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:36:51" (1/1) ... [2021-04-28 22:36:51,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 22:36:51,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 22:36:51,665 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/mix056_tso.opt.i[948,961] [2021-04-28 22:36:51,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:36:51,913 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 22:36:51,927 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/mix056_tso.opt.i[948,961] [2021-04-28 22:36:51,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:36:52,116 INFO L208 MainTranslator]: Completed translation [2021-04-28 22:36:52,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:52 WrapperNode [2021-04-28 22:36:52,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 22:36:52,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 22:36:52,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 22:36:52,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 22:36:52,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:52" (1/1) ... [2021-04-28 22:36:52,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:52" (1/1) ... [2021-04-28 22:36:52,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 22:36:52,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 22:36:52,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 22:36:52,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 22:36:52,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:52" (1/1) ... [2021-04-28 22:36:52,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:52" (1/1) ... [2021-04-28 22:36:52,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:52" (1/1) ... [2021-04-28 22:36:52,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:52" (1/1) ... [2021-04-28 22:36:52,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:52" (1/1) ... [2021-04-28 22:36:52,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:52" (1/1) ... [2021-04-28 22:36:52,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:52" (1/1) ... [2021-04-28 22:36:52,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 22:36:52,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 22:36:52,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 22:36:52,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 22:36:52,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:52" (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 [2021-04-28 22:36:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 22:36:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 22:36:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 22:36:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 22:36:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 22:36:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 22:36:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 22:36:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 22:36:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 22:36:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 22:36:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 22:36:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 22:36:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 22:36:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 22:36:52,403 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 22:36:54,406 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 22:36:54,406 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 22:36:54,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:36:54 BoogieIcfgContainer [2021-04-28 22:36:54,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 22:36:54,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 22:36:54,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 22:36:54,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 22:36:54,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:36:51" (1/3) ... [2021-04-28 22:36:54,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789ac493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:36:54, skipping insertion in model container [2021-04-28 22:36:54,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:52" (2/3) ... [2021-04-28 22:36:54,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789ac493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:36:54, skipping insertion in model container [2021-04-28 22:36:54,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:36:54" (3/3) ... [2021-04-28 22:36:54,417 INFO L111 eAbstractionObserver]: Analyzing ICFG mix056_tso.opt.i [2021-04-28 22:36:54,424 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 22:36:54,429 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 22:36:54,430 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 22:36:54,461 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,461 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,462 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,462 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,462 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,462 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,462 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,463 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,463 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,463 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,463 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,463 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,464 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,464 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,465 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,465 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,469 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,469 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,471 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,471 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,471 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,472 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,478 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,478 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,480 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,481 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,481 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,481 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,481 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,481 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,481 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,482 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,482 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,484 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,484 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,485 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:54,486 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 22:36:54,508 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 22:36:54,533 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 22:36:54,533 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 22:36:54,533 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 22:36:54,533 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 22:36:54,533 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 22:36:54,533 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 22:36:54,533 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 22:36:54,534 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 22:36:54,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 207 flow [2021-04-28 22:36:54,593 INFO L129 PetriNetUnfolder]: 2/93 cut-off events. [2021-04-28 22:36:54,593 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:36:54,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 93 events. 2/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-28 22:36:54,598 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 96 transitions, 207 flow [2021-04-28 22:36:54,604 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 93 transitions, 195 flow [2021-04-28 22:36:54,605 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:36:54,622 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 93 transitions, 195 flow [2021-04-28 22:36:54,626 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 93 transitions, 195 flow [2021-04-28 22:36:54,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 93 transitions, 195 flow [2021-04-28 22:36:54,663 INFO L129 PetriNetUnfolder]: 2/93 cut-off events. [2021-04-28 22:36:54,663 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:36:54,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 93 events. 2/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-28 22:36:54,669 INFO L146 LiptonReduction]: Number of co-enabled transitions 1578 [2021-04-28 22:36:58,274 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 22:36:58,746 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 22:37:00,908 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 22:37:01,915 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 22:37:02,486 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 22:37:02,605 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 22:37:03,184 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-28 22:37:03,449 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 22:37:05,631 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 22:37:06,137 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:37:08,536 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 22:37:09,689 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:37:10,875 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 22:37:11,399 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:37:13,762 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:37:14,856 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:37:16,166 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 22:37:16,706 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 22:37:19,195 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 22:37:20,305 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 22:37:23,019 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 22:37:23,582 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 22:37:26,101 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 310 DAG size of output: 265 [2021-04-28 22:37:27,244 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 262 [2021-04-28 22:37:28,625 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 229 DAG size of output: 188 [2021-04-28 22:37:29,221 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:37:32,116 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 22:37:33,373 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 22:37:34,851 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 22:37:36,119 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2021-04-28 22:37:39,176 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 313 DAG size of output: 268 [2021-04-28 22:37:40,485 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:37:41,974 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 22:37:42,650 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:37:45,687 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 22:37:47,091 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 22:37:51,027 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 22:37:51,732 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 22:37:54,996 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 22:37:56,461 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 22:37:58,155 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 22:37:58,918 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:38:02,251 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:38:03,801 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:38:05,670 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 22:38:06,478 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:38:10,047 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 22:38:11,667 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 22:38:15,827 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:16,313 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:38:16,450 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:38:16,579 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:38:16,713 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:38:16,835 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:38:16,959 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:38:17,076 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:38:17,191 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:38:17,409 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:38:17,719 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:38:17,827 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:38:18,030 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:38:18,162 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:38:18,285 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:38:18,412 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:38:18,548 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:38:18,656 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:38:18,761 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:38:18,868 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:38:18,975 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:38:19,086 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:38:19,201 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:38:19,319 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:38:19,436 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:38:20,995 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 22:38:21,099 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 22:38:21,202 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 22:38:21,305 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 22:38:23,150 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:23,335 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:23,499 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:23,654 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:23,808 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:38:23,960 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:38:24,110 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:38:24,262 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:38:24,466 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:38:24,671 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:38:24,886 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:38:25,106 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:38:25,284 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:38:25,459 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:38:25,640 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:38:25,814 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:38:25,966 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:38:26,112 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:38:26,251 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:38:26,389 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:38:26,578 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:26,756 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:26,934 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:27,113 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:27,315 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:38:27,512 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:38:27,701 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:38:27,894 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:38:28,038 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:28,180 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:28,330 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:28,473 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:28,630 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:28,784 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:28,946 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:29,105 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:29,274 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:38:29,449 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:38:29,626 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:38:29,798 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:38:30,998 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:31,603 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 22:38:31,749 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 22:38:31,916 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 22:38:32,088 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 22:38:32,263 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 22:38:32,438 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 22:38:32,623 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 22:38:32,804 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 22:38:33,343 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:33,506 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:33,670 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:33,835 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:34,073 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:38:34,309 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:38:34,554 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:38:34,787 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:38:35,024 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:38:35,262 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:38:35,514 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:38:35,760 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:38:35,939 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:36,107 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:36,309 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:36,500 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:36,645 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:36,789 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:36,931 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:37,076 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:37,290 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:38:37,500 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:38:37,722 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:38:37,936 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:38:38,171 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:38:38,404 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:38:38,629 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:38:38,855 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:38:39,024 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:39,167 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:39,316 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:39,462 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:39,727 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:39,993 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:40,242 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:40,488 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:40,744 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:38:41,003 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:38:41,251 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:38:41,497 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:38:41,744 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:41,997 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:42,260 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:42,519 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:42,793 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:43,060 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:43,311 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:43,562 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:44,246 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-28 22:38:44,564 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 22:38:45,278 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-28 22:38:45,608 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 22:38:45,767 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:45,929 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:46,101 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:46,266 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:46,971 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 22:38:47,313 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 22:38:48,041 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 22:38:48,386 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 22:38:48,632 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:48,879 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:49,149 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:49,413 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:49,458 INFO L158 LiptonReduction]: Checked pairs total: 15074 [2021-04-28 22:38:49,458 INFO L160 LiptonReduction]: Total number of compositions: 222 [2021-04-28 22:38:49,463 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 114859 [2021-04-28 22:38:49,506 INFO L129 PetriNetUnfolder]: 2/84 cut-off events. [2021-04-28 22:38:49,506 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:38:49,506 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:49,507 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:49,507 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:49,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:49,514 INFO L82 PathProgramCache]: Analyzing trace with hash 513278794, now seen corresponding path program 1 times [2021-04-28 22:38:49,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:49,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515646992] [2021-04-28 22:38:49,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:49,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:49,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:49,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515646992] [2021-04-28 22:38:49,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:49,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:38:49,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135800127] [2021-04-28 22:38:49,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:38:49,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:49,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:38:49,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:38:49,859 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 318 [2021-04-28 22:38:49,864 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 118 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:49,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:49,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 318 [2021-04-28 22:38:49,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:50,333 INFO L129 PetriNetUnfolder]: 114/453 cut-off events. [2021-04-28 22:38:50,333 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:38:50,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 453 events. 114/453 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 3374 event pairs, 16 based on Foata normal form. 6/222 useless extension candidates. Maximal degree in co-relation 622. Up to 167 conditions per place. [2021-04-28 22:38:50,338 INFO L132 encePairwiseOnDemand]: 301/318 looper letters, 7 selfloop transitions, 2 changer transitions 89/130 dead transitions. [2021-04-28 22:38:50,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 130 transitions, 363 flow [2021-04-28 22:38:50,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:38:50,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:38:50,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 740 transitions. [2021-04-28 22:38:50,359 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7756813417190775 [2021-04-28 22:38:50,360 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 740 transitions. [2021-04-28 22:38:50,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 740 transitions. [2021-04-28 22:38:50,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:50,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 740 transitions. [2021-04-28 22:38:50,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:50,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:50,385 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:50,387 INFO L185 Difference]: Start difference. First operand has 126 places, 118 transitions, 245 flow. Second operand 3 states and 740 transitions. [2021-04-28 22:38:50,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 130 transitions, 363 flow [2021-04-28 22:38:50,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 130 transitions, 360 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 22:38:50,395 INFO L241 Difference]: Finished difference. Result has 122 places, 38 transitions, 86 flow [2021-04-28 22:38:50,397 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=122, PETRI_TRANSITIONS=38} [2021-04-28 22:38:50,398 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -4 predicate places. [2021-04-28 22:38:50,398 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:50,398 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 38 transitions, 86 flow [2021-04-28 22:38:50,399 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 38 transitions, 86 flow [2021-04-28 22:38:50,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 38 transitions, 86 flow [2021-04-28 22:38:50,405 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-04-28 22:38:50,405 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:38:50,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 126 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 22:38:50,406 INFO L146 LiptonReduction]: Number of co-enabled transitions 822 [2021-04-28 22:38:50,656 INFO L158 LiptonReduction]: Checked pairs total: 790 [2021-04-28 22:38:50,656 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:50,656 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 258 [2021-04-28 22:38:50,658 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 86 flow [2021-04-28 22:38:50,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:50,659 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:50,659 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:50,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 22:38:50,660 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:50,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:50,660 INFO L82 PathProgramCache]: Analyzing trace with hash -660271546, now seen corresponding path program 1 times [2021-04-28 22:38:50,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:50,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079020863] [2021-04-28 22:38:50,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:50,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:50,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:50,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:50,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079020863] [2021-04-28 22:38:50,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:50,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:38:50,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423847856] [2021-04-28 22:38:50,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:38:50,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:50,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:38:50,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:38:50,799 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 318 [2021-04-28 22:38:50,800 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:50,800 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:50,800 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 318 [2021-04-28 22:38:50,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:50,822 INFO L129 PetriNetUnfolder]: 3/54 cut-off events. [2021-04-28 22:38:50,823 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:38:50,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 54 events. 3/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 181 event pairs, 1 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 66. Up to 10 conditions per place. [2021-04-28 22:38:50,824 INFO L132 encePairwiseOnDemand]: 314/318 looper letters, 3 selfloop transitions, 3 changer transitions 0/40 dead transitions. [2021-04-28 22:38:50,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 40 transitions, 102 flow [2021-04-28 22:38:50,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:38:50,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:38:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 670 transitions. [2021-04-28 22:38:50,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7023060796645703 [2021-04-28 22:38:50,829 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 670 transitions. [2021-04-28 22:38:50,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 670 transitions. [2021-04-28 22:38:50,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:50,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 670 transitions. [2021-04-28 22:38:50,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:50,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:50,837 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:50,837 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 86 flow. Second operand 3 states and 670 transitions. [2021-04-28 22:38:50,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 40 transitions, 102 flow [2021-04-28 22:38:50,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 40 transitions, 98 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:38:50,839 INFO L241 Difference]: Finished difference. Result has 48 places, 40 transitions, 101 flow [2021-04-28 22:38:50,839 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=101, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2021-04-28 22:38:50,840 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -78 predicate places. [2021-04-28 22:38:50,840 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:50,840 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 40 transitions, 101 flow [2021-04-28 22:38:50,840 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 40 transitions, 101 flow [2021-04-28 22:38:50,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 40 transitions, 101 flow [2021-04-28 22:38:50,848 INFO L129 PetriNetUnfolder]: 3/50 cut-off events. [2021-04-28 22:38:50,848 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:38:50,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 50 events. 3/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 187 event pairs, 1 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 63. Up to 10 conditions per place. [2021-04-28 22:38:50,850 INFO L146 LiptonReduction]: Number of co-enabled transitions 896 [2021-04-28 22:38:51,164 INFO L158 LiptonReduction]: Checked pairs total: 612 [2021-04-28 22:38:51,165 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:51,165 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 325 [2021-04-28 22:38:51,167 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 101 flow [2021-04-28 22:38:51,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:51,168 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:51,168 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:51,168 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 22:38:51,168 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:51,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:51,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1006416747, now seen corresponding path program 1 times [2021-04-28 22:38:51,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:51,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531929947] [2021-04-28 22:38:51,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:51,410 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.0 percent of original size [2021-04-28 22:38:51,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-04-28 22:38:51,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:51,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 22:38:51,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:51,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531929947] [2021-04-28 22:38:51,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:51,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:38:51,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261452752] [2021-04-28 22:38:51,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:38:51,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:51,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:38:51,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:38:51,530 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 318 [2021-04-28 22:38:51,531 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 101 flow. Second operand has 4 states, 4 states have (on average 179.75) internal successors, (719), 4 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) [2021-04-28 22:38:51,531 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:51,531 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 318 [2021-04-28 22:38:51,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:51,639 INFO L129 PetriNetUnfolder]: 61/182 cut-off events. [2021-04-28 22:38:51,639 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-04-28 22:38:51,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 182 events. 61/182 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 912 event pairs, 37 based on Foata normal form. 1/135 useless extension candidates. Maximal degree in co-relation 315. Up to 97 conditions per place. [2021-04-28 22:38:51,642 INFO L132 encePairwiseOnDemand]: 314/318 looper letters, 7 selfloop transitions, 3 changer transitions 0/43 dead transitions. [2021-04-28 22:38:51,642 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 43 transitions, 127 flow [2021-04-28 22:38:51,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:38:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:38:51,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 548 transitions. [2021-04-28 22:38:51,647 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5744234800838575 [2021-04-28 22:38:51,647 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 548 transitions. [2021-04-28 22:38:51,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 548 transitions. [2021-04-28 22:38:51,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:51,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 548 transitions. [2021-04-28 22:38:51,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:51,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:51,653 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:51,654 INFO L185 Difference]: Start difference. First operand has 48 places, 40 transitions, 101 flow. Second operand 3 states and 548 transitions. [2021-04-28 22:38:51,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 43 transitions, 127 flow [2021-04-28 22:38:51,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 43 transitions, 124 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:38:51,656 INFO L241 Difference]: Finished difference. Result has 50 places, 42 transitions, 117 flow [2021-04-28 22:38:51,656 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=50, PETRI_TRANSITIONS=42} [2021-04-28 22:38:51,656 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -76 predicate places. [2021-04-28 22:38:51,657 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:51,657 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 42 transitions, 117 flow [2021-04-28 22:38:51,657 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 42 transitions, 117 flow [2021-04-28 22:38:51,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 42 transitions, 117 flow [2021-04-28 22:38:51,669 INFO L129 PetriNetUnfolder]: 7/70 cut-off events. [2021-04-28 22:38:51,669 INFO L130 PetriNetUnfolder]: For 7/8 co-relation queries the response was YES. [2021-04-28 22:38:51,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 70 events. 7/70 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 309 event pairs, 3 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 101. Up to 15 conditions per place. [2021-04-28 22:38:51,671 INFO L146 LiptonReduction]: Number of co-enabled transitions 958 [2021-04-28 22:38:51,748 INFO L158 LiptonReduction]: Checked pairs total: 514 [2021-04-28 22:38:51,749 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:51,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 92 [2021-04-28 22:38:51,750 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 42 transitions, 117 flow [2021-04-28 22:38:51,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 179.75) internal successors, (719), 4 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) [2021-04-28 22:38:51,751 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:51,751 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:51,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 22:38:51,752 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:51,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:51,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1978457567, now seen corresponding path program 1 times [2021-04-28 22:38:51,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:51,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146062339] [2021-04-28 22:38:51,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:51,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:51,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 22:38:51,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:51,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:38:51,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:51,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 22:38:51,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:51,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146062339] [2021-04-28 22:38:51,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:51,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:38:51,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837090992] [2021-04-28 22:38:51,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:38:51,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:51,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:38:51,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:38:51,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 318 [2021-04-28 22:38:51,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 117 flow. Second operand has 5 states, 5 states have (on average 180.8) internal successors, (904), 5 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:51,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:51,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 318 [2021-04-28 22:38:51,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:52,060 INFO L129 PetriNetUnfolder]: 55/178 cut-off events. [2021-04-28 22:38:52,060 INFO L130 PetriNetUnfolder]: For 55/57 co-relation queries the response was YES. [2021-04-28 22:38:52,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 357 conditions, 178 events. 55/178 cut-off events. For 55/57 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 919 event pairs, 10 based on Foata normal form. 8/136 useless extension candidates. Maximal degree in co-relation 345. Up to 77 conditions per place. [2021-04-28 22:38:52,063 INFO L132 encePairwiseOnDemand]: 312/318 looper letters, 7 selfloop transitions, 7 changer transitions 0/47 dead transitions. [2021-04-28 22:38:52,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 47 transitions, 157 flow [2021-04-28 22:38:52,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:38:52,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:38:52,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 735 transitions. [2021-04-28 22:38:52,068 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5778301886792453 [2021-04-28 22:38:52,068 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 735 transitions. [2021-04-28 22:38:52,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 735 transitions. [2021-04-28 22:38:52,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:52,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 735 transitions. [2021-04-28 22:38:52,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:52,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 318.0) internal successors, (1590), 5 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:52,076 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 318.0) internal successors, (1590), 5 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:52,076 INFO L185 Difference]: Start difference. First operand has 50 places, 42 transitions, 117 flow. Second operand 4 states and 735 transitions. [2021-04-28 22:38:52,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 47 transitions, 157 flow [2021-04-28 22:38:52,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 47 transitions, 154 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:38:52,079 INFO L241 Difference]: Finished difference. Result has 54 places, 45 transitions, 154 flow [2021-04-28 22:38:52,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=154, PETRI_PLACES=54, PETRI_TRANSITIONS=45} [2021-04-28 22:38:52,079 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -72 predicate places. [2021-04-28 22:38:52,079 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:52,080 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 45 transitions, 154 flow [2021-04-28 22:38:52,080 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 45 transitions, 154 flow [2021-04-28 22:38:52,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 45 transitions, 154 flow [2021-04-28 22:38:52,095 INFO L129 PetriNetUnfolder]: 17/89 cut-off events. [2021-04-28 22:38:52,095 INFO L130 PetriNetUnfolder]: For 42/45 co-relation queries the response was YES. [2021-04-28 22:38:52,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 89 events. 17/89 cut-off events. For 42/45 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 376 event pairs, 6 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 179. Up to 25 conditions per place. [2021-04-28 22:38:52,098 INFO L146 LiptonReduction]: Number of co-enabled transitions 1030 [2021-04-28 22:38:52,139 INFO L158 LiptonReduction]: Checked pairs total: 338 [2021-04-28 22:38:52,139 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:52,139 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-04-28 22:38:52,141 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 45 transitions, 154 flow [2021-04-28 22:38:52,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 180.8) internal successors, (904), 5 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:52,142 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:52,142 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:52,142 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 22:38:52,142 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:52,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:52,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1134148200, now seen corresponding path program 1 times [2021-04-28 22:38:52,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:52,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225589101] [2021-04-28 22:38:52,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:52,244 INFO L142 QuantifierPusher]: treesize reduction 30, result has 38.8 percent of original size [2021-04-28 22:38:52,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 22:38:52,293 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-28 22:38:52,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-28 22:38:52,345 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-28 22:38:52,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-28 22:38:52,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:52,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225589101] [2021-04-28 22:38:52,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:52,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:38:52,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375757027] [2021-04-28 22:38:52,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:38:52,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:52,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:38:52,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:38:52,397 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 318 [2021-04-28 22:38:52,399 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 45 transitions, 154 flow. Second operand has 5 states, 5 states have (on average 176.8) internal successors, (884), 5 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:52,399 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:52,399 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 318 [2021-04-28 22:38:52,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:52,522 INFO L129 PetriNetUnfolder]: 49/144 cut-off events. [2021-04-28 22:38:52,522 INFO L130 PetriNetUnfolder]: For 96/106 co-relation queries the response was YES. [2021-04-28 22:38:52,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 396 conditions, 144 events. 49/144 cut-off events. For 96/106 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 645 event pairs, 11 based on Foata normal form. 6/117 useless extension candidates. Maximal degree in co-relation 381. Up to 81 conditions per place. [2021-04-28 22:38:52,524 INFO L132 encePairwiseOnDemand]: 313/318 looper letters, 11 selfloop transitions, 5 changer transitions 0/49 dead transitions. [2021-04-28 22:38:52,524 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 49 transitions, 200 flow [2021-04-28 22:38:52,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:38:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:38:52,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 718 transitions. [2021-04-28 22:38:52,529 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5644654088050315 [2021-04-28 22:38:52,530 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 718 transitions. [2021-04-28 22:38:52,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 718 transitions. [2021-04-28 22:38:52,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:52,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 718 transitions. [2021-04-28 22:38:52,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 179.5) internal successors, (718), 4 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:52,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 318.0) internal successors, (1590), 5 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:52,537 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 318.0) internal successors, (1590), 5 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:52,537 INFO L185 Difference]: Start difference. First operand has 54 places, 45 transitions, 154 flow. Second operand 4 states and 718 transitions. [2021-04-28 22:38:52,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 49 transitions, 200 flow [2021-04-28 22:38:52,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 49 transitions, 194 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 22:38:52,541 INFO L241 Difference]: Finished difference. Result has 57 places, 47 transitions, 173 flow [2021-04-28 22:38:52,541 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=173, PETRI_PLACES=57, PETRI_TRANSITIONS=47} [2021-04-28 22:38:52,541 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -69 predicate places. [2021-04-28 22:38:52,541 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:52,542 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 47 transitions, 173 flow [2021-04-28 22:38:52,542 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 47 transitions, 173 flow [2021-04-28 22:38:52,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 47 transitions, 173 flow [2021-04-28 22:38:52,561 INFO L129 PetriNetUnfolder]: 19/112 cut-off events. [2021-04-28 22:38:52,561 INFO L130 PetriNetUnfolder]: For 95/99 co-relation queries the response was YES. [2021-04-28 22:38:52,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 112 events. 19/112 cut-off events. For 95/99 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 554 event pairs, 10 based on Foata normal form. 2/68 useless extension candidates. Maximal degree in co-relation 223. Up to 26 conditions per place. [2021-04-28 22:38:52,564 INFO L146 LiptonReduction]: Number of co-enabled transitions 1094 [2021-04-28 22:38:52,567 INFO L158 LiptonReduction]: Checked pairs total: 184 [2021-04-28 22:38:52,568 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:52,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-04-28 22:38:52,569 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 47 transitions, 173 flow [2021-04-28 22:38:52,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 176.8) internal successors, (884), 5 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:52,570 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:52,570 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:52,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 22:38:52,570 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:52,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:52,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1511289346, now seen corresponding path program 1 times [2021-04-28 22:38:52,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:52,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146532065] [2021-04-28 22:38:52,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:52,642 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-04-28 22:38:52,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 22:38:52,662 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-04-28 22:38:52,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:38:52,688 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-04-28 22:38:52,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-28 22:38:52,738 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 22:38:52,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 22:38:52,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:52,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146532065] [2021-04-28 22:38:52,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:52,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:38:52,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101064435] [2021-04-28 22:38:52,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:38:52,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:52,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:38:52,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:38:52,810 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 318 [2021-04-28 22:38:52,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 47 transitions, 173 flow. Second operand has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:52,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:52,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 318 [2021-04-28 22:38:52,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:53,033 INFO L129 PetriNetUnfolder]: 55/181 cut-off events. [2021-04-28 22:38:53,033 INFO L130 PetriNetUnfolder]: For 203/213 co-relation queries the response was YES. [2021-04-28 22:38:53,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 181 events. 55/181 cut-off events. For 203/213 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 942 event pairs, 5 based on Foata normal form. 8/141 useless extension candidates. Maximal degree in co-relation 469. Up to 74 conditions per place. [2021-04-28 22:38:53,036 INFO L132 encePairwiseOnDemand]: 311/318 looper letters, 10 selfloop transitions, 9 changer transitions 0/52 dead transitions. [2021-04-28 22:38:53,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 52 transitions, 231 flow [2021-04-28 22:38:53,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:38:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:38:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 912 transitions. [2021-04-28 22:38:53,043 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5735849056603773 [2021-04-28 22:38:53,043 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 912 transitions. [2021-04-28 22:38:53,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 912 transitions. [2021-04-28 22:38:53,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:53,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 912 transitions. [2021-04-28 22:38:53,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 182.4) internal successors, (912), 5 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:53,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:53,050 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:53,050 INFO L185 Difference]: Start difference. First operand has 57 places, 47 transitions, 173 flow. Second operand 5 states and 912 transitions. [2021-04-28 22:38:53,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 52 transitions, 231 flow [2021-04-28 22:38:53,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 52 transitions, 222 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 22:38:53,054 INFO L241 Difference]: Finished difference. Result has 60 places, 49 transitions, 199 flow [2021-04-28 22:38:53,055 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=199, PETRI_PLACES=60, PETRI_TRANSITIONS=49} [2021-04-28 22:38:53,055 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -66 predicate places. [2021-04-28 22:38:53,055 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:53,055 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 49 transitions, 199 flow [2021-04-28 22:38:53,055 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 49 transitions, 199 flow [2021-04-28 22:38:53,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 49 transitions, 199 flow [2021-04-28 22:38:53,077 INFO L129 PetriNetUnfolder]: 26/126 cut-off events. [2021-04-28 22:38:53,077 INFO L130 PetriNetUnfolder]: For 143/151 co-relation queries the response was YES. [2021-04-28 22:38:53,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 126 events. 26/126 cut-off events. For 143/151 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 625 event pairs, 9 based on Foata normal form. 2/79 useless extension candidates. Maximal degree in co-relation 297. Up to 31 conditions per place. [2021-04-28 22:38:53,081 INFO L146 LiptonReduction]: Number of co-enabled transitions 1160 [2021-04-28 22:38:53,085 INFO L158 LiptonReduction]: Checked pairs total: 222 [2021-04-28 22:38:53,085 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:53,086 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-04-28 22:38:53,087 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 49 transitions, 199 flow [2021-04-28 22:38:53,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:53,087 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:53,087 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:53,088 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 22:38:53,088 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:53,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:53,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1511850136, now seen corresponding path program 2 times [2021-04-28 22:38:53,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:53,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163265110] [2021-04-28 22:38:53,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:53,227 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.7 percent of original size [2021-04-28 22:38:53,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 22:38:53,298 INFO L142 QuantifierPusher]: treesize reduction 31, result has 57.5 percent of original size [2021-04-28 22:38:53,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-28 22:38:53,382 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-28 22:38:53,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-28 22:38:53,439 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.7 percent of original size [2021-04-28 22:38:53,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-04-28 22:38:53,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:53,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163265110] [2021-04-28 22:38:53,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:53,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:38:53,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775652067] [2021-04-28 22:38:53,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:38:53,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:53,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:38:53,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:38:53,512 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 318 [2021-04-28 22:38:53,514 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 199 flow. Second operand has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:53,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:53,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 318 [2021-04-28 22:38:53,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:53,735 INFO L129 PetriNetUnfolder]: 59/203 cut-off events. [2021-04-28 22:38:53,735 INFO L130 PetriNetUnfolder]: For 305/315 co-relation queries the response was YES. [2021-04-28 22:38:53,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 598 conditions, 203 events. 59/203 cut-off events. For 305/315 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1126 event pairs, 1 based on Foata normal form. 9/157 useless extension candidates. Maximal degree in co-relation 580. Up to 76 conditions per place. [2021-04-28 22:38:53,739 INFO L132 encePairwiseOnDemand]: 312/318 looper letters, 13 selfloop transitions, 9 changer transitions 0/55 dead transitions. [2021-04-28 22:38:53,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 55 transitions, 273 flow [2021-04-28 22:38:53,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:38:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:38:53,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 911 transitions. [2021-04-28 22:38:53,745 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5729559748427673 [2021-04-28 22:38:53,745 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 911 transitions. [2021-04-28 22:38:53,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 911 transitions. [2021-04-28 22:38:53,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:53,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 911 transitions. [2021-04-28 22:38:53,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 182.2) internal successors, (911), 5 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:53,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:53,753 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:53,753 INFO L185 Difference]: Start difference. First operand has 60 places, 49 transitions, 199 flow. Second operand 5 states and 911 transitions. [2021-04-28 22:38:53,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 55 transitions, 273 flow [2021-04-28 22:38:53,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 55 transitions, 256 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-04-28 22:38:53,757 INFO L241 Difference]: Finished difference. Result has 62 places, 51 transitions, 224 flow [2021-04-28 22:38:53,757 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=224, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2021-04-28 22:38:53,758 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -64 predicate places. [2021-04-28 22:38:53,758 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:53,758 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 51 transitions, 224 flow [2021-04-28 22:38:53,758 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 51 transitions, 224 flow [2021-04-28 22:38:53,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 51 transitions, 224 flow [2021-04-28 22:38:53,781 INFO L129 PetriNetUnfolder]: 30/138 cut-off events. [2021-04-28 22:38:53,782 INFO L130 PetriNetUnfolder]: For 214/222 co-relation queries the response was YES. [2021-04-28 22:38:53,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 138 events. 30/138 cut-off events. For 214/222 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 707 event pairs, 10 based on Foata normal form. 2/88 useless extension candidates. Maximal degree in co-relation 354. Up to 35 conditions per place. [2021-04-28 22:38:53,786 INFO L146 LiptonReduction]: Number of co-enabled transitions 1212 [2021-04-28 22:38:53,791 INFO L158 LiptonReduction]: Checked pairs total: 260 [2021-04-28 22:38:53,791 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:53,791 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-04-28 22:38:53,792 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 224 flow [2021-04-28 22:38:53,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:53,793 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:53,793 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:53,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 22:38:53,794 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:53,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:53,794 INFO L82 PathProgramCache]: Analyzing trace with hash 798852506, now seen corresponding path program 3 times [2021-04-28 22:38:53,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:53,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593341412] [2021-04-28 22:38:53,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:53,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:53,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 22:38:53,874 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-28 22:38:53,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-28 22:38:53,934 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-28 22:38:53,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-28 22:38:53,996 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 22:38:53,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 22:38:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:54,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593341412] [2021-04-28 22:38:54,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:54,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:38:54,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721419420] [2021-04-28 22:38:54,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:38:54,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:54,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:38:54,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:38:54,068 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 318 [2021-04-28 22:38:54,069 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 224 flow. Second operand has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:54,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:54,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 318 [2021-04-28 22:38:54,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:54,343 INFO L129 PetriNetUnfolder]: 65/219 cut-off events. [2021-04-28 22:38:54,343 INFO L130 PetriNetUnfolder]: For 492/502 co-relation queries the response was YES. [2021-04-28 22:38:54,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 219 events. 65/219 cut-off events. For 492/502 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1236 event pairs, 3 based on Foata normal form. 10/173 useless extension candidates. Maximal degree in co-relation 713. Up to 91 conditions per place. [2021-04-28 22:38:54,347 INFO L132 encePairwiseOnDemand]: 311/318 looper letters, 11 selfloop transitions, 14 changer transitions 0/58 dead transitions. [2021-04-28 22:38:54,347 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 58 transitions, 322 flow [2021-04-28 22:38:54,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 22:38:54,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 22:38:54,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1073 transitions. [2021-04-28 22:38:54,353 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5623689727463312 [2021-04-28 22:38:54,353 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1073 transitions. [2021-04-28 22:38:54,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1073 transitions. [2021-04-28 22:38:54,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:54,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1073 transitions. [2021-04-28 22:38:54,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 178.83333333333334) internal successors, (1073), 6 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:54,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 318.0) internal successors, (2226), 7 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:54,362 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 318.0) internal successors, (2226), 7 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:54,362 INFO L185 Difference]: Start difference. First operand has 62 places, 51 transitions, 224 flow. Second operand 6 states and 1073 transitions. [2021-04-28 22:38:54,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 58 transitions, 322 flow [2021-04-28 22:38:54,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 58 transitions, 295 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-04-28 22:38:54,366 INFO L241 Difference]: Finished difference. Result has 66 places, 56 transitions, 283 flow [2021-04-28 22:38:54,366 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=283, PETRI_PLACES=66, PETRI_TRANSITIONS=56} [2021-04-28 22:38:54,367 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -60 predicate places. [2021-04-28 22:38:54,367 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:54,367 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 56 transitions, 283 flow [2021-04-28 22:38:54,367 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 56 transitions, 283 flow [2021-04-28 22:38:54,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 56 transitions, 283 flow [2021-04-28 22:38:54,392 INFO L129 PetriNetUnfolder]: 34/148 cut-off events. [2021-04-28 22:38:54,392 INFO L130 PetriNetUnfolder]: For 226/235 co-relation queries the response was YES. [2021-04-28 22:38:54,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 148 events. 34/148 cut-off events. For 226/235 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 741 event pairs, 8 based on Foata normal form. 6/104 useless extension candidates. Maximal degree in co-relation 405. Up to 44 conditions per place. [2021-04-28 22:38:54,396 INFO L146 LiptonReduction]: Number of co-enabled transitions 1322 [2021-04-28 22:38:54,400 INFO L158 LiptonReduction]: Checked pairs total: 383 [2021-04-28 22:38:54,400 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:54,401 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-04-28 22:38:54,402 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 56 transitions, 283 flow [2021-04-28 22:38:54,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:54,402 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:54,402 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:54,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 22:38:54,403 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:54,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:54,403 INFO L82 PathProgramCache]: Analyzing trace with hash 238625156, now seen corresponding path program 4 times [2021-04-28 22:38:54,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:54,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426267705] [2021-04-28 22:38:54,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:54,469 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-04-28 22:38:54,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:38:54,492 INFO L142 QuantifierPusher]: treesize reduction 40, result has 56.0 percent of original size [2021-04-28 22:38:54,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-28 22:38:54,545 INFO L142 QuantifierPusher]: treesize reduction 40, result has 57.9 percent of original size [2021-04-28 22:38:54,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-28 22:38:54,609 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-28 22:38:54,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-28 22:38:54,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:54,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426267705] [2021-04-28 22:38:54,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:54,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:38:54,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395755492] [2021-04-28 22:38:54,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:38:54,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:54,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:38:54,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:38:54,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 318 [2021-04-28 22:38:54,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 56 transitions, 283 flow. Second operand has 6 states, 6 states have (on average 174.83333333333334) internal successors, (1049), 6 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:54,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:54,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 318 [2021-04-28 22:38:54,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:54,912 INFO L129 PetriNetUnfolder]: 60/214 cut-off events. [2021-04-28 22:38:54,913 INFO L130 PetriNetUnfolder]: For 463/473 co-relation queries the response was YES. [2021-04-28 22:38:54,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 760 conditions, 214 events. 60/214 cut-off events. For 463/473 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1221 event pairs, 3 based on Foata normal form. 5/163 useless extension candidates. Maximal degree in co-relation 740. Up to 87 conditions per place. [2021-04-28 22:38:54,916 INFO L132 encePairwiseOnDemand]: 312/318 looper letters, 18 selfloop transitions, 10 changer transitions 0/61 dead transitions. [2021-04-28 22:38:54,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 61 transitions, 376 flow [2021-04-28 22:38:54,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:38:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:38:54,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 884 transitions. [2021-04-28 22:38:54,923 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5559748427672956 [2021-04-28 22:38:54,923 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 884 transitions. [2021-04-28 22:38:54,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 884 transitions. [2021-04-28 22:38:54,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:54,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 884 transitions. [2021-04-28 22:38:54,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 176.8) internal successors, (884), 5 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:54,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:54,930 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:54,930 INFO L185 Difference]: Start difference. First operand has 66 places, 56 transitions, 283 flow. Second operand 5 states and 884 transitions. [2021-04-28 22:38:54,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 61 transitions, 376 flow [2021-04-28 22:38:54,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 61 transitions, 355 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-04-28 22:38:54,934 INFO L241 Difference]: Finished difference. Result has 68 places, 58 transitions, 312 flow [2021-04-28 22:38:54,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=312, PETRI_PLACES=68, PETRI_TRANSITIONS=58} [2021-04-28 22:38:54,935 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -58 predicate places. [2021-04-28 22:38:54,935 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:54,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 58 transitions, 312 flow [2021-04-28 22:38:54,935 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 58 transitions, 312 flow [2021-04-28 22:38:54,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 58 transitions, 312 flow [2021-04-28 22:38:54,958 INFO L129 PetriNetUnfolder]: 30/140 cut-off events. [2021-04-28 22:38:54,958 INFO L130 PetriNetUnfolder]: For 325/331 co-relation queries the response was YES. [2021-04-28 22:38:54,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 140 events. 30/140 cut-off events. For 325/331 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 734 event pairs, 8 based on Foata normal form. 3/96 useless extension candidates. Maximal degree in co-relation 407. Up to 40 conditions per place. [2021-04-28 22:38:54,962 INFO L146 LiptonReduction]: Number of co-enabled transitions 1352 [2021-04-28 22:38:54,967 INFO L158 LiptonReduction]: Checked pairs total: 419 [2021-04-28 22:38:54,967 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:54,967 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-04-28 22:38:54,968 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 58 transitions, 312 flow [2021-04-28 22:38:54,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 174.83333333333334) internal successors, (1049), 6 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:54,969 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:54,969 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:54,969 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 22:38:54,969 INFO L428 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:54,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:54,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1008637175, now seen corresponding path program 1 times [2021-04-28 22:38:54,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:54,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494197685] [2021-04-28 22:38:54,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:55,065 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.7 percent of original size [2021-04-28 22:38:55,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 22:38:55,138 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-04-28 22:38:55,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-28 22:38:55,239 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.0 percent of original size [2021-04-28 22:38:55,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-04-28 22:38:55,352 INFO L142 QuantifierPusher]: treesize reduction 12, result has 89.2 percent of original size [2021-04-28 22:38:55,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-04-28 22:38:55,473 INFO L142 QuantifierPusher]: treesize reduction 27, result has 69.0 percent of original size [2021-04-28 22:38:55,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-04-28 22:38:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:55,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494197685] [2021-04-28 22:38:55,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:55,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 22:38:55,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171614323] [2021-04-28 22:38:55,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 22:38:55,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:55,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 22:38:55,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-28 22:38:55,571 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 318 [2021-04-28 22:38:55,573 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 58 transitions, 312 flow. Second operand has 7 states, 7 states have (on average 177.85714285714286) internal successors, (1245), 7 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:55,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:55,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 318 [2021-04-28 22:38:55,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:55,873 INFO L129 PetriNetUnfolder]: 62/232 cut-off events. [2021-04-28 22:38:55,874 INFO L130 PetriNetUnfolder]: For 652/662 co-relation queries the response was YES. [2021-04-28 22:38:55,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 856 conditions, 232 events. 62/232 cut-off events. For 652/662 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1409 event pairs, 3 based on Foata normal form. 8/176 useless extension candidates. Maximal degree in co-relation 835. Up to 94 conditions per place. [2021-04-28 22:38:55,878 INFO L132 encePairwiseOnDemand]: 311/318 looper letters, 20 selfloop transitions, 10 changer transitions 0/63 dead transitions. [2021-04-28 22:38:55,878 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 63 transitions, 409 flow [2021-04-28 22:38:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:38:55,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:38:55,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 902 transitions. [2021-04-28 22:38:55,884 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5672955974842767 [2021-04-28 22:38:55,884 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 902 transitions. [2021-04-28 22:38:55,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 902 transitions. [2021-04-28 22:38:55,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:55,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 902 transitions. [2021-04-28 22:38:55,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 180.4) internal successors, (902), 5 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:55,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:55,893 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:55,893 INFO L185 Difference]: Start difference. First operand has 68 places, 58 transitions, 312 flow. Second operand 5 states and 902 transitions. [2021-04-28 22:38:55,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 63 transitions, 409 flow [2021-04-28 22:38:55,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 63 transitions, 390 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-04-28 22:38:55,898 INFO L241 Difference]: Finished difference. Result has 71 places, 59 transitions, 331 flow [2021-04-28 22:38:55,899 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=331, PETRI_PLACES=71, PETRI_TRANSITIONS=59} [2021-04-28 22:38:55,899 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -55 predicate places. [2021-04-28 22:38:55,899 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:55,899 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 59 transitions, 331 flow [2021-04-28 22:38:55,900 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 59 transitions, 331 flow [2021-04-28 22:38:55,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 59 transitions, 331 flow [2021-04-28 22:38:55,945 INFO L129 PetriNetUnfolder]: 32/150 cut-off events. [2021-04-28 22:38:55,945 INFO L130 PetriNetUnfolder]: For 357/364 co-relation queries the response was YES. [2021-04-28 22:38:55,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 468 conditions, 150 events. 32/150 cut-off events. For 357/364 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 801 event pairs, 7 based on Foata normal form. 4/103 useless extension candidates. Maximal degree in co-relation 448. Up to 44 conditions per place. [2021-04-28 22:38:55,949 INFO L146 LiptonReduction]: Number of co-enabled transitions 1390 [2021-04-28 22:38:55,997 INFO L158 LiptonReduction]: Checked pairs total: 456 [2021-04-28 22:38:55,997 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:55,998 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 99 [2021-04-28 22:38:55,999 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 59 transitions, 331 flow [2021-04-28 22:38:55,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 177.85714285714286) internal successors, (1245), 7 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:55,999 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:56,000 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:56,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 22:38:56,000 INFO L428 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:56,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:56,000 INFO L82 PathProgramCache]: Analyzing trace with hash -377289335, now seen corresponding path program 2 times [2021-04-28 22:38:56,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:56,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644092243] [2021-04-28 22:38:56,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:56,122 INFO L142 QuantifierPusher]: treesize reduction 31, result has 60.8 percent of original size [2021-04-28 22:38:56,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-28 22:38:56,230 INFO L142 QuantifierPusher]: treesize reduction 31, result has 62.2 percent of original size [2021-04-28 22:38:56,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-28 22:38:56,339 INFO L142 QuantifierPusher]: treesize reduction 31, result has 62.2 percent of original size [2021-04-28 22:38:56,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-28 22:38:56,436 INFO L142 QuantifierPusher]: treesize reduction 3, result has 97.2 percent of original size [2021-04-28 22:38:56,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-04-28 22:38:56,608 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2021-04-28 22:38:56,613 INFO L142 QuantifierPusher]: treesize reduction 11, result has 87.4 percent of original size [2021-04-28 22:38:56,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-04-28 22:38:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:56,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644092243] [2021-04-28 22:38:56,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:56,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 22:38:56,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646191234] [2021-04-28 22:38:56,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 22:38:56,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:56,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 22:38:56,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-28 22:38:56,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 318 [2021-04-28 22:38:56,700 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 59 transitions, 331 flow. Second operand has 7 states, 7 states have (on average 163.85714285714286) internal successors, (1147), 7 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:56,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:56,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 318 [2021-04-28 22:38:56,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:56,856 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2021-04-28 22:38:56,990 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2021-04-28 22:38:57,215 INFO L129 PetriNetUnfolder]: 59/227 cut-off events. [2021-04-28 22:38:57,215 INFO L130 PetriNetUnfolder]: For 670/680 co-relation queries the response was YES. [2021-04-28 22:38:57,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 848 conditions, 227 events. 59/227 cut-off events. For 670/680 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1371 event pairs, 1 based on Foata normal form. 7/171 useless extension candidates. Maximal degree in co-relation 826. Up to 77 conditions per place. [2021-04-28 22:38:57,222 INFO L132 encePairwiseOnDemand]: 313/318 looper letters, 20 selfloop transitions, 13 changer transitions 0/66 dead transitions. [2021-04-28 22:38:57,222 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 66 transitions, 445 flow [2021-04-28 22:38:57,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:38:57,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:38:57,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 831 transitions. [2021-04-28 22:38:57,228 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5226415094339623 [2021-04-28 22:38:57,228 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 831 transitions. [2021-04-28 22:38:57,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 831 transitions. [2021-04-28 22:38:57,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:57,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 831 transitions. [2021-04-28 22:38:57,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 166.2) internal successors, (831), 5 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:57,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:57,235 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:57,235 INFO L185 Difference]: Start difference. First operand has 71 places, 59 transitions, 331 flow. Second operand 5 states and 831 transitions. [2021-04-28 22:38:57,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 66 transitions, 445 flow [2021-04-28 22:38:57,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 66 transitions, 425 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-04-28 22:38:57,240 INFO L241 Difference]: Finished difference. Result has 73 places, 59 transitions, 350 flow [2021-04-28 22:38:57,240 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=350, PETRI_PLACES=73, PETRI_TRANSITIONS=59} [2021-04-28 22:38:57,240 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -53 predicate places. [2021-04-28 22:38:57,241 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:57,241 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 59 transitions, 350 flow [2021-04-28 22:38:57,241 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 59 transitions, 350 flow [2021-04-28 22:38:57,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 59 transitions, 350 flow [2021-04-28 22:38:57,269 INFO L129 PetriNetUnfolder]: 30/140 cut-off events. [2021-04-28 22:38:57,269 INFO L130 PetriNetUnfolder]: For 371/376 co-relation queries the response was YES. [2021-04-28 22:38:57,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 140 events. 30/140 cut-off events. For 371/376 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 727 event pairs, 6 based on Foata normal form. 3/97 useless extension candidates. Maximal degree in co-relation 439. Up to 41 conditions per place. [2021-04-28 22:38:57,274 INFO L146 LiptonReduction]: Number of co-enabled transitions 1388 [2021-04-28 22:38:57,279 INFO L158 LiptonReduction]: Checked pairs total: 448 [2021-04-28 22:38:57,279 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:57,279 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-04-28 22:38:57,280 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 59 transitions, 350 flow [2021-04-28 22:38:57,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 163.85714285714286) internal successors, (1147), 7 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:57,281 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:57,281 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:57,281 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 22:38:57,281 INFO L428 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:57,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:57,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1005371449, now seen corresponding path program 1 times [2021-04-28 22:38:57,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:57,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628173340] [2021-04-28 22:38:57,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:57,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:57,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:57,348 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:38:57,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:38:57,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:57,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:38:57,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:57,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628173340] [2021-04-28 22:38:57,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:57,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:38:57,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188298384] [2021-04-28 22:38:57,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:38:57,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:57,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:38:57,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:38:57,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 318 [2021-04-28 22:38:57,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 59 transitions, 350 flow. Second operand has 4 states, 4 states have (on average 235.75) internal successors, (943), 4 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:57,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:57,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 318 [2021-04-28 22:38:57,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:58,304 INFO L129 PetriNetUnfolder]: 3404/5967 cut-off events. [2021-04-28 22:38:58,304 INFO L130 PetriNetUnfolder]: For 4304/6337 co-relation queries the response was YES. [2021-04-28 22:38:58,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13712 conditions, 5967 events. 3404/5967 cut-off events. For 4304/6337 co-relation queries the response was YES. Maximal size of possible extension queue 1629. Compared 53509 event pairs, 1347 based on Foata normal form. 205/1718 useless extension candidates. Maximal degree in co-relation 13689. Up to 3640 conditions per place. [2021-04-28 22:38:58,362 INFO L132 encePairwiseOnDemand]: 301/318 looper letters, 30 selfloop transitions, 27 changer transitions 0/94 dead transitions. [2021-04-28 22:38:58,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 94 transitions, 534 flow [2021-04-28 22:38:58,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:38:58,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:38:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1229 transitions. [2021-04-28 22:38:58,369 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7729559748427673 [2021-04-28 22:38:58,369 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1229 transitions. [2021-04-28 22:38:58,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1229 transitions. [2021-04-28 22:38:58,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:58,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1229 transitions. [2021-04-28 22:38:58,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 245.8) internal successors, (1229), 5 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:58,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:58,377 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:58,378 INFO L185 Difference]: Start difference. First operand has 73 places, 59 transitions, 350 flow. Second operand 5 states and 1229 transitions. [2021-04-28 22:38:58,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 94 transitions, 534 flow [2021-04-28 22:38:58,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 94 transitions, 506 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-04-28 22:38:58,388 INFO L241 Difference]: Finished difference. Result has 76 places, 84 transitions, 531 flow [2021-04-28 22:38:58,388 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=531, PETRI_PLACES=76, PETRI_TRANSITIONS=84} [2021-04-28 22:38:58,388 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -50 predicate places. [2021-04-28 22:38:58,389 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:58,389 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 84 transitions, 531 flow [2021-04-28 22:38:58,389 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 84 transitions, 531 flow [2021-04-28 22:38:58,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 84 transitions, 531 flow [2021-04-28 22:38:58,890 INFO L129 PetriNetUnfolder]: 3038/5215 cut-off events. [2021-04-28 22:38:58,890 INFO L130 PetriNetUnfolder]: For 3874/5264 co-relation queries the response was YES. [2021-04-28 22:38:58,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15808 conditions, 5215 events. 3038/5215 cut-off events. For 3874/5264 co-relation queries the response was YES. Maximal size of possible extension queue 1176. Compared 44725 event pairs, 1200 based on Foata normal form. 17/1576 useless extension candidates. Maximal degree in co-relation 15784. Up to 4583 conditions per place. [2021-04-28 22:38:59,128 INFO L146 LiptonReduction]: Number of co-enabled transitions 1930 [2021-04-28 22:38:59,141 INFO L158 LiptonReduction]: Checked pairs total: 526 [2021-04-28 22:38:59,141 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:59,141 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 752 [2021-04-28 22:38:59,142 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 84 transitions, 531 flow [2021-04-28 22:38:59,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 235.75) internal successors, (943), 4 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:59,143 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:59,143 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:59,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 22:38:59,143 INFO L428 AbstractCegarLoop]: === Iteration 13 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:59,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:59,144 INFO L82 PathProgramCache]: Analyzing trace with hash -125270383, now seen corresponding path program 1 times [2021-04-28 22:38:59,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:59,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891346481] [2021-04-28 22:38:59,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:59,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:59,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:59,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:59,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:59,231 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:38:59,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:38:59,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:59,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:38:59,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:59,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891346481] [2021-04-28 22:38:59,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:59,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:38:59,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80358408] [2021-04-28 22:38:59,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:38:59,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:59,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:38:59,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:38:59,261 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 318 [2021-04-28 22:38:59,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 84 transitions, 531 flow. Second operand has 5 states, 5 states have (on average 235.8) internal successors, (1179), 5 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:59,273 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:59,273 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 318 [2021-04-28 22:38:59,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:39:00,506 INFO L129 PetriNetUnfolder]: 2927/5919 cut-off events. [2021-04-28 22:39:00,507 INFO L130 PetriNetUnfolder]: For 8380/158612 co-relation queries the response was YES. [2021-04-28 22:39:00,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23233 conditions, 5919 events. 2927/5919 cut-off events. For 8380/158612 co-relation queries the response was YES. Maximal size of possible extension queue 1773. Compared 59300 event pairs, 225 based on Foata normal form. 275/1950 useless extension candidates. Maximal degree in co-relation 23207. Up to 5039 conditions per place. [2021-04-28 22:39:00,568 INFO L132 encePairwiseOnDemand]: 301/318 looper letters, 21 selfloop transitions, 52 changer transitions 9/115 dead transitions. [2021-04-28 22:39:00,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 115 transitions, 845 flow [2021-04-28 22:39:00,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 22:39:00,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 22:39:00,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1723 transitions. [2021-04-28 22:39:00,577 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7740341419586703 [2021-04-28 22:39:00,577 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1723 transitions. [2021-04-28 22:39:00,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1723 transitions. [2021-04-28 22:39:00,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:39:00,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1723 transitions. [2021-04-28 22:39:00,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 246.14285714285714) internal successors, (1723), 7 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:00,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 318.0) internal successors, (2544), 8 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:00,589 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 318.0) internal successors, (2544), 8 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:00,589 INFO L185 Difference]: Start difference. First operand has 76 places, 84 transitions, 531 flow. Second operand 7 states and 1723 transitions. [2021-04-28 22:39:00,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 115 transitions, 845 flow [2021-04-28 22:39:00,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 115 transitions, 845 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:39:00,614 INFO L241 Difference]: Finished difference. Result has 85 places, 104 transitions, 827 flow [2021-04-28 22:39:00,614 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=827, PETRI_PLACES=85, PETRI_TRANSITIONS=104} [2021-04-28 22:39:00,614 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -41 predicate places. [2021-04-28 22:39:00,614 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:39:00,614 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 104 transitions, 827 flow [2021-04-28 22:39:00,615 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 104 transitions, 827 flow [2021-04-28 22:39:00,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 104 transitions, 827 flow [2021-04-28 22:39:01,126 INFO L129 PetriNetUnfolder]: 1945/4298 cut-off events. [2021-04-28 22:39:01,126 INFO L130 PetriNetUnfolder]: For 11710/16168 co-relation queries the response was YES. [2021-04-28 22:39:01,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19346 conditions, 4298 events. 1945/4298 cut-off events. For 11710/16168 co-relation queries the response was YES. Maximal size of possible extension queue 1174. Compared 44696 event pairs, 258 based on Foata normal form. 27/1339 useless extension candidates. Maximal degree in co-relation 19317. Up to 3668 conditions per place. [2021-04-28 22:39:01,224 INFO L146 LiptonReduction]: Number of co-enabled transitions 2246 [2021-04-28 22:39:01,244 INFO L158 LiptonReduction]: Checked pairs total: 502 [2021-04-28 22:39:01,244 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:39:01,245 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 631 [2021-04-28 22:39:01,246 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 104 transitions, 827 flow [2021-04-28 22:39:01,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 235.8) internal successors, (1179), 5 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:01,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:39:01,248 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:39:01,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 22:39:01,248 INFO L428 AbstractCegarLoop]: === Iteration 14 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:39:01,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:39:01,249 INFO L82 PathProgramCache]: Analyzing trace with hash 63684534, now seen corresponding path program 1 times [2021-04-28 22:39:01,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:39:01,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604250484] [2021-04-28 22:39:01,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:39:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:39:01,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:01,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:39:01,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:01,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:39:01,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:39:01,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604250484] [2021-04-28 22:39:01,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:39:01,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:39:01,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498348184] [2021-04-28 22:39:01,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:39:01,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:39:01,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:39:01,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:39:01,306 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 318 [2021-04-28 22:39:01,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 104 transitions, 827 flow. Second operand has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:01,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:39:01,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 318 [2021-04-28 22:39:01,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:39:02,396 INFO L129 PetriNetUnfolder]: 3496/7584 cut-off events. [2021-04-28 22:39:02,396 INFO L130 PetriNetUnfolder]: For 45498/141387 co-relation queries the response was YES. [2021-04-28 22:39:02,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33807 conditions, 7584 events. 3496/7584 cut-off events. For 45498/141387 co-relation queries the response was YES. Maximal size of possible extension queue 2280. Compared 83410 event pairs, 432 based on Foata normal form. 125/2233 useless extension candidates. Maximal degree in co-relation 33776. Up to 6608 conditions per place. [2021-04-28 22:39:02,468 INFO L132 encePairwiseOnDemand]: 315/318 looper letters, 3 selfloop transitions, 3 changer transitions 0/104 dead transitions. [2021-04-28 22:39:02,468 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 104 transitions, 839 flow [2021-04-28 22:39:02,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:39:02,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:39:02,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 669 transitions. [2021-04-28 22:39:02,473 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7012578616352201 [2021-04-28 22:39:02,473 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 669 transitions. [2021-04-28 22:39:02,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 669 transitions. [2021-04-28 22:39:02,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:39:02,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 669 transitions. [2021-04-28 22:39:02,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:02,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:02,560 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:02,561 INFO L185 Difference]: Start difference. First operand has 85 places, 104 transitions, 827 flow. Second operand 3 states and 669 transitions. [2021-04-28 22:39:02,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 104 transitions, 839 flow [2021-04-28 22:39:03,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 104 transitions, 710 flow, removed 42 selfloop flow, removed 3 redundant places. [2021-04-28 22:39:03,313 INFO L241 Difference]: Finished difference. Result has 85 places, 104 transitions, 709 flow [2021-04-28 22:39:03,313 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=709, PETRI_PLACES=85, PETRI_TRANSITIONS=104} [2021-04-28 22:39:03,314 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -41 predicate places. [2021-04-28 22:39:03,314 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:39:03,314 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 104 transitions, 709 flow [2021-04-28 22:39:03,314 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 104 transitions, 709 flow [2021-04-28 22:39:03,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 104 transitions, 709 flow [2021-04-28 22:39:04,247 INFO L129 PetriNetUnfolder]: 3451/7531 cut-off events. [2021-04-28 22:39:04,248 INFO L130 PetriNetUnfolder]: For 10626/11083 co-relation queries the response was YES. [2021-04-28 22:39:04,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26192 conditions, 7531 events. 3451/7531 cut-off events. For 10626/11083 co-relation queries the response was YES. Maximal size of possible extension queue 1973. Compared 83267 event pairs, 459 based on Foata normal form. 44/2276 useless extension candidates. Maximal degree in co-relation 26163. Up to 3493 conditions per place. [2021-04-28 22:39:04,358 INFO L146 LiptonReduction]: Number of co-enabled transitions 2244 [2021-04-28 22:39:04,375 INFO L158 LiptonReduction]: Checked pairs total: 502 [2021-04-28 22:39:04,375 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:39:04,375 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1061 [2021-04-28 22:39:04,376 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 104 transitions, 709 flow [2021-04-28 22:39:04,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:04,376 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:39:04,377 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:39:04,377 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-28 22:39:04,377 INFO L428 AbstractCegarLoop]: === Iteration 15 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:39:04,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:39:04,377 INFO L82 PathProgramCache]: Analyzing trace with hash -499725711, now seen corresponding path program 1 times [2021-04-28 22:39:04,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:39:04,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927405746] [2021-04-28 22:39:04,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:39:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:39:04,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:04,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:39:04,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:04,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:39:04,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:04,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:39:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:39:04,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927405746] [2021-04-28 22:39:04,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:39:04,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:39:04,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104608872] [2021-04-28 22:39:04,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:39:04,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:39:04,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:39:04,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:39:04,444 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 318 [2021-04-28 22:39:04,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 104 transitions, 709 flow. Second operand has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:04,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:39:04,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 318 [2021-04-28 22:39:04,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:39:06,015 INFO L129 PetriNetUnfolder]: 6656/14136 cut-off events. [2021-04-28 22:39:06,015 INFO L130 PetriNetUnfolder]: For 21043/27382 co-relation queries the response was YES. [2021-04-28 22:39:06,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48699 conditions, 14136 events. 6656/14136 cut-off events. For 21043/27382 co-relation queries the response was YES. Maximal size of possible extension queue 3798. Compared 168027 event pairs, 873 based on Foata normal form. 149/4086 useless extension candidates. Maximal degree in co-relation 48668. Up to 6472 conditions per place. [2021-04-28 22:39:06,090 INFO L132 encePairwiseOnDemand]: 315/318 looper letters, 4 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2021-04-28 22:39:06,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 106 transitions, 745 flow [2021-04-28 22:39:06,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:39:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:39:06,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 871 transitions. [2021-04-28 22:39:06,096 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.684748427672956 [2021-04-28 22:39:06,096 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 871 transitions. [2021-04-28 22:39:06,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 871 transitions. [2021-04-28 22:39:06,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:39:06,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 871 transitions. [2021-04-28 22:39:06,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 217.75) internal successors, (871), 4 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:06,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 318.0) internal successors, (1590), 5 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:06,102 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 318.0) internal successors, (1590), 5 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:06,102 INFO L185 Difference]: Start difference. First operand has 85 places, 104 transitions, 709 flow. Second operand 4 states and 871 transitions. [2021-04-28 22:39:06,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 106 transitions, 745 flow [2021-04-28 22:39:07,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 106 transitions, 740 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 22:39:07,289 INFO L241 Difference]: Finished difference. Result has 89 places, 105 transitions, 717 flow [2021-04-28 22:39:07,289 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=717, PETRI_PLACES=89, PETRI_TRANSITIONS=105} [2021-04-28 22:39:07,289 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -37 predicate places. [2021-04-28 22:39:07,289 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:39:07,289 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 105 transitions, 717 flow [2021-04-28 22:39:07,290 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 105 transitions, 717 flow [2021-04-28 22:39:07,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 105 transitions, 717 flow [2021-04-28 22:39:08,629 INFO L129 PetriNetUnfolder]: 6612/14110 cut-off events. [2021-04-28 22:39:08,629 INFO L130 PetriNetUnfolder]: For 18615/19346 co-relation queries the response was YES. [2021-04-28 22:39:08,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48775 conditions, 14110 events. 6612/14110 cut-off events. For 18615/19346 co-relation queries the response was YES. Maximal size of possible extension queue 3644. Compared 168823 event pairs, 909 based on Foata normal form. 56/4093 useless extension candidates. Maximal degree in co-relation 48744. Up to 6499 conditions per place. [2021-04-28 22:39:08,807 INFO L146 LiptonReduction]: Number of co-enabled transitions 2296 [2021-04-28 22:39:08,821 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 22:39:08,821 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:39:08,821 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1532 [2021-04-28 22:39:08,822 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 105 transitions, 717 flow [2021-04-28 22:39:08,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:08,823 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:39:08,823 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:39:08,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-28 22:39:08,823 INFO L428 AbstractCegarLoop]: === Iteration 16 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:39:08,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:39:08,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1974218747, now seen corresponding path program 1 times [2021-04-28 22:39:08,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:39:08,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361233889] [2021-04-28 22:39:08,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:39:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:39:08,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:08,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:39:08,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:08,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:39:08,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:08,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:39:08,910 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:39:08,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:39:08,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:39:08,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:39:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:39:08,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361233889] [2021-04-28 22:39:08,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:39:08,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 22:39:08,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060303154] [2021-04-28 22:39:08,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:39:08,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:39:08,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:39:08,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:39:08,941 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 318 [2021-04-28 22:39:08,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 105 transitions, 717 flow. Second operand has 6 states, 6 states have (on average 235.83333333333334) internal successors, (1415), 6 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:08,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:39:08,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 318 [2021-04-28 22:39:08,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:39:11,122 INFO L129 PetriNetUnfolder]: 5969/13851 cut-off events. [2021-04-28 22:39:11,123 INFO L130 PetriNetUnfolder]: For 23083/148314 co-relation queries the response was YES. [2021-04-28 22:39:11,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58403 conditions, 13851 events. 5969/13851 cut-off events. For 23083/148314 co-relation queries the response was YES. Maximal size of possible extension queue 3882. Compared 174174 event pairs, 0 based on Foata normal form. 659/4403 useless extension candidates. Maximal degree in co-relation 58370. Up to 7722 conditions per place. [2021-04-28 22:39:11,221 INFO L132 encePairwiseOnDemand]: 301/318 looper letters, 5 selfloop transitions, 61 changer transitions 33/122 dead transitions. [2021-04-28 22:39:11,221 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 122 transitions, 996 flow [2021-04-28 22:39:11,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 22:39:11,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 22:39:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2199 transitions. [2021-04-28 22:39:11,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7683438155136268 [2021-04-28 22:39:11,231 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2199 transitions. [2021-04-28 22:39:11,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2199 transitions. [2021-04-28 22:39:11,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:39:11,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2199 transitions. [2021-04-28 22:39:11,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 244.33333333333334) internal successors, (2199), 9 states have internal predecessors, (2199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:11,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 318.0) internal successors, (3180), 10 states have internal predecessors, (3180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:11,245 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 318.0) internal successors, (3180), 10 states have internal predecessors, (3180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:11,246 INFO L185 Difference]: Start difference. First operand has 89 places, 105 transitions, 717 flow. Second operand 9 states and 2199 transitions. [2021-04-28 22:39:11,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 122 transitions, 996 flow [2021-04-28 22:39:12,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 122 transitions, 941 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-04-28 22:39:12,415 INFO L241 Difference]: Finished difference. Result has 94 places, 87 transitions, 694 flow [2021-04-28 22:39:12,415 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=694, PETRI_PLACES=94, PETRI_TRANSITIONS=87} [2021-04-28 22:39:12,415 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -32 predicate places. [2021-04-28 22:39:12,415 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:39:12,416 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 87 transitions, 694 flow [2021-04-28 22:39:12,416 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 87 transitions, 694 flow [2021-04-28 22:39:12,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 87 transitions, 694 flow [2021-04-28 22:39:12,658 INFO L129 PetriNetUnfolder]: 1057/3573 cut-off events. [2021-04-28 22:39:12,658 INFO L130 PetriNetUnfolder]: For 12141/15786 co-relation queries the response was YES. [2021-04-28 22:39:12,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15817 conditions, 3573 events. 1057/3573 cut-off events. For 12141/15786 co-relation queries the response was YES. Maximal size of possible extension queue 1228. Compared 45421 event pairs, 0 based on Foata normal form. 8/965 useless extension candidates. Maximal degree in co-relation 15786. Up to 2538 conditions per place. [2021-04-28 22:39:12,698 INFO L146 LiptonReduction]: Number of co-enabled transitions 1356 [2021-04-28 22:39:13,007 INFO L158 LiptonReduction]: Checked pairs total: 110 [2021-04-28 22:39:13,007 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 22:39:13,007 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 592 [2021-04-28 22:39:13,008 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 87 transitions, 698 flow [2021-04-28 22:39:13,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 235.83333333333334) internal successors, (1415), 6 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:39:13,009 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:39:13,009 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:39:13,009 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-28 22:39:13,009 INFO L428 AbstractCegarLoop]: === Iteration 17 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:39:13,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:39:13,010 INFO L82 PathProgramCache]: Analyzing trace with hash -613624676, now seen corresponding path program 1 times [2021-04-28 22:39:13,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:39:13,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546398598] [2021-04-28 22:39:13,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:39:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 22:39:13,059 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 22:39:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 22:39:13,106 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 22:39:13,142 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 22:39:13,143 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 22:39:13,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-28 22:39:13,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 10:39:13 BasicIcfg [2021-04-28 22:39:13,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 22:39:13,246 INFO L168 Benchmark]: Toolchain (without parser) took 141844.93 ms. Allocated memory was 302.0 MB in the beginning and 4.7 GB in the end (delta: 4.4 GB). Free memory was 276.2 MB in the beginning and 3.9 GB in the end (delta: -3.7 GB). Peak memory consumption was 775.3 MB. Max. memory is 16.0 GB. [2021-04-28 22:39:13,247 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.8 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 22:39:13,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.76 ms. Allocated memory is still 302.0 MB. Free memory was 273.1 MB in the beginning and 270.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.0 GB. [2021-04-28 22:39:13,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.45 ms. Allocated memory is still 302.0 MB. Free memory was 270.7 MB in the beginning and 267.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 22:39:13,248 INFO L168 Benchmark]: Boogie Preprocessor took 39.35 ms. Allocated memory is still 302.0 MB. Free memory was 267.8 MB in the beginning and 265.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 22:39:13,248 INFO L168 Benchmark]: RCFGBuilder took 2157.80 ms. Allocated memory is still 302.0 MB. Free memory was 265.7 MB in the beginning and 234.1 MB in the end (delta: 31.5 MB). Peak memory consumption was 163.7 MB. Max. memory is 16.0 GB. [2021-04-28 22:39:13,248 INFO L168 Benchmark]: TraceAbstraction took 138835.29 ms. Allocated memory was 302.0 MB in the beginning and 4.7 GB in the end (delta: 4.4 GB). Free memory was 233.1 MB in the beginning and 3.9 GB in the end (delta: -3.7 GB). Peak memory consumption was 730.1 MB. Max. memory is 16.0 GB. [2021-04-28 22:39:13,251 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.8 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 670.76 ms. Allocated memory is still 302.0 MB. Free memory was 273.1 MB in the beginning and 270.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 90.45 ms. Allocated memory is still 302.0 MB. Free memory was 270.7 MB in the beginning and 267.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 39.35 ms. Allocated memory is still 302.0 MB. Free memory was 267.8 MB in the beginning and 265.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2157.80 ms. Allocated memory is still 302.0 MB. Free memory was 265.7 MB in the beginning and 234.1 MB in the end (delta: 31.5 MB). Peak memory consumption was 163.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 138835.29 ms. Allocated memory was 302.0 MB in the beginning and 4.7 GB in the end (delta: 4.4 GB). Free memory was 233.1 MB in the beginning and 3.9 GB in the end (delta: -3.7 GB). Peak memory consumption was 730.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 114832.8ms, 101 PlacesBefore, 126 PlacesAfterwards, 93 TransitionsBefore, 118 TransitionsAfterwards, 1578 CoEnabledTransitionPairs, 9 FixpointIterations, 144 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 222 TotalNumberOfCompositions, 15074 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3988, positive: 3721, positive conditional: 3721, positive unconditional: 0, negative: 267, negative conditional: 267, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1811, positive: 1763, positive conditional: 0, positive unconditional: 1763, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1811, positive: 1763, positive conditional: 0, positive unconditional: 1763, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1811, positive: 1736, positive conditional: 0, positive unconditional: 1736, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1118, positive: 118, positive conditional: 0, positive unconditional: 118, negative: 999, negative conditional: 0, negative unconditional: 999, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3988, positive: 1958, positive conditional: 1958, positive unconditional: 0, negative: 219, negative conditional: 219, negative unconditional: 0, unknown: 1811, unknown conditional: 1811, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1811, Positive cache size: 1763, Positive conditional cache size: 1763, Positive unconditional cache size: 0, Negative cache size: 48, Negative conditional cache size: 48, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 257.0ms, 122 PlacesBefore, 47 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 822 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 790 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 141, positive: 111, positive conditional: 111, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 22, positive conditional: 2, positive unconditional: 20, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 34, positive: 22, positive conditional: 2, positive unconditional: 20, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 34, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 242, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 225, negative conditional: 0, negative unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 141, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1845, Positive cache size: 1785, Positive conditional cache size: 1785, Positive unconditional cache size: 0, Negative cache size: 60, Negative conditional cache size: 60, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 324.5ms, 48 PlacesBefore, 48 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 896 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 612 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 62, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 311, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 311, negative conditional: 0, negative unconditional: 311, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 62, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1854, Positive cache size: 1788, Positive conditional cache size: 1788, Positive unconditional cache size: 0, Negative cache size: 66, Negative conditional cache size: 66, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 91.6ms, 50 PlacesBefore, 50 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 958 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 514 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 46, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 46, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1864, Positive cache size: 1794, Positive conditional cache size: 1794, Positive unconditional cache size: 0, Negative cache size: 70, Negative conditional cache size: 70, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59.0ms, 54 PlacesBefore, 54 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 1030 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 338 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1868, Positive cache size: 1797, Positive conditional cache size: 1797, Positive unconditional cache size: 0, Negative cache size: 71, Negative conditional cache size: 71, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.8ms, 57 PlacesBefore, 57 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 1094 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 184 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1869, Positive cache size: 1798, Positive conditional cache size: 1798, Positive unconditional cache size: 0, Negative cache size: 71, Negative conditional cache size: 71, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.0ms, 60 PlacesBefore, 60 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 222 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1872, Positive cache size: 1801, Positive conditional cache size: 1801, Positive unconditional cache size: 0, Negative cache size: 71, Negative conditional cache size: 71, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.0ms, 62 PlacesBefore, 62 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1212 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 260 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 34, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1874, Positive cache size: 1803, Positive conditional cache size: 1803, Positive unconditional cache size: 0, Negative cache size: 71, Negative conditional cache size: 71, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.2ms, 66 PlacesBefore, 66 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 1322 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 383 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 69, positive: 58, positive conditional: 58, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 6, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 6, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 69, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1884, Positive cache size: 1813, Positive conditional cache size: 1813, Positive unconditional cache size: 0, Negative cache size: 71, Negative conditional cache size: 71, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.6ms, 68 PlacesBefore, 68 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 1352 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 419 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 67, positive: 55, positive conditional: 55, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1887, Positive cache size: 1816, Positive conditional cache size: 1816, Positive unconditional cache size: 0, Negative cache size: 71, Negative conditional cache size: 71, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 97.7ms, 71 PlacesBefore, 71 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 1390 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 456 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 88, positive conditional: 88, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 18, positive conditional: 13, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 18, positive conditional: 13, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 101, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1906, Positive cache size: 1834, Positive conditional cache size: 1834, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.2ms, 73 PlacesBefore, 73 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 1388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 448 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 105, positive: 92, positive conditional: 92, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 105, positive: 84, positive conditional: 84, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1914, Positive cache size: 1842, Positive conditional cache size: 1842, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 751.9ms, 76 PlacesBefore, 76 PlacesAfterwards, 84 TransitionsBefore, 84 TransitionsAfterwards, 1930 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 526 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 90, positive: 80, positive conditional: 80, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 13, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 13, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 90, positive: 56, positive conditional: 56, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1938, Positive cache size: 1866, Positive conditional cache size: 1866, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 629.8ms, 85 PlacesBefore, 85 PlacesAfterwards, 104 TransitionsBefore, 104 TransitionsAfterwards, 2246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 502 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 98, positive conditional: 98, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 20, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 106, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1964, Positive cache size: 1892, Positive conditional cache size: 1892, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1060.6ms, 85 PlacesBefore, 85 PlacesAfterwards, 104 TransitionsBefore, 104 TransitionsAfterwards, 2244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 502 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 118, positive conditional: 118, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 25, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 25, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 126, positive: 92, positive conditional: 92, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1990, Positive cache size: 1918, Positive conditional cache size: 1918, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1531.6ms, 89 PlacesBefore, 89 PlacesAfterwards, 105 TransitionsBefore, 105 TransitionsAfterwards, 2296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1990, Positive cache size: 1918, Positive conditional cache size: 1918, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 591.3ms, 94 PlacesBefore, 84 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 1356 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 110 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 110, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49, positive: 49, positive conditional: 40, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 49, positive: 49, positive conditional: 40, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 49, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 110, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2039, Positive cache size: 1967, Positive conditional cache size: 1967, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L718] 0 _Bool y$flush_delayed; [L719] 0 int y$mem_tmp; [L720] 0 _Bool y$r_buff0_thd0; [L721] 0 _Bool y$r_buff0_thd1; [L722] 0 _Bool y$r_buff0_thd2; [L723] 0 _Bool y$r_buff0_thd3; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$r_buff1_thd3; [L728] 0 _Bool y$read_delayed; [L729] 0 int *y$read_delayed_var; [L730] 0 int y$w_buff0; [L731] 0 _Bool y$w_buff0_used; [L732] 0 int y$w_buff1; [L733] 0 _Bool y$w_buff1_used; [L735] 0 int z = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L813] 0 pthread_t t1510; [L814] FCALL, FORK 0 pthread_create(&t1510, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L815] 0 pthread_t t1511; [L816] FCALL, FORK 0 pthread_create(&t1511, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L817] 0 pthread_t t1512; [L818] FCALL, FORK 0 pthread_create(&t1512, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L776] 3 y$w_buff1 = y$w_buff0 [L777] 3 y$w_buff0 = 2 [L778] 3 y$w_buff1_used = y$w_buff0_used [L779] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L781] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L782] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L783] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L784] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L785] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L788] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L741] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L744] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L756] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L759] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L762] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L762] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L762] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L763] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L763] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L764] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L764] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L765] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L765] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L766] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L791] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L791] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L792] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L792] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L793] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L793] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L794] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L794] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L795] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L749] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L751] 1 return 0; [L769] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L798] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L825] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L825] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L826] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L827] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L828] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L831] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 0 y$flush_delayed = weak$$choice2 [L834] 0 y$mem_tmp = y [L835] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L835] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L836] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L836] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L837] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L837] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L838] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L838] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L839] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L839] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L840] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L841] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L841] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0) [L843] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L843] 0 y = y$flush_delayed ? y$mem_tmp : y [L844] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 95 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 33.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 138616.3ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 13685.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 114938.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 76 SDtfs, 82 SDslu, 23 SDs, 0 SdLazy, 579 SolverSat, 212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1540.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2801.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=827occurred in iteration=13, InterpolantAutomatonStates: 76, 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: 56.6ms SsaConstructionTime, 547.0ms SatisfiabilityAnalysisTime, 3347.3ms InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 2110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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...