/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix055_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 15:52:19,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 15:52:19,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 15:52:19,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 15:52:19,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 15:52:19,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 15:52:19,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 15:52:19,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 15:52:19,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 15:52:19,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 15:52:19,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 15:52:19,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 15:52:19,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 15:52:19,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 15:52:19,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 15:52:19,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 15:52:19,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 15:52:19,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 15:52:19,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 15:52:19,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 15:52:19,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 15:52:19,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 15:52:19,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 15:52:19,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 15:52:19,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-11 15:52:19,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 15:52:19,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 15:52:19,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 15:52:19,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 15:52:19,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 15:52:19,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 15:52:19,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 15:52:19,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 15:52:19,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 15:52:19,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 15:52:19,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 15:52:19,365 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 15:52:19,403 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 15:52:19,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 15:52:19,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 15:52:19,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 15:52:19,406 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 15:52:19,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 15:52:19,406 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 15:52:19,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 15:52:19,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 15:52:19,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 15:52:19,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 15:52:19,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 15:52:19,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 15:52:19,408 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 15:52:19,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 15:52:19,409 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 15:52:19,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 15:52:19,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 15:52:19,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 15:52:19,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 15:52:19,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 15:52:19,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 15:52:19,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 15:52:19,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 15:52:19,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 15:52:19,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 15:52:19,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 15:52:19,410 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 15:52:19,410 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 15:52:19,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 15:52:19,411 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 15:52:19,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 15:52:19,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 15:52:19,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 15:52:19,754 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 15:52:19,754 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 15:52:19,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix055_pso.opt.i [2021-06-11 15:52:19,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7b8858de/36222481b5b24ed9987420802b28958a/FLAGe9e1e6e73 [2021-06-11 15:52:20,341 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 15:52:20,341 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055_pso.opt.i [2021-06-11 15:52:20,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7b8858de/36222481b5b24ed9987420802b28958a/FLAGe9e1e6e73 [2021-06-11 15:52:20,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7b8858de/36222481b5b24ed9987420802b28958a [2021-06-11 15:52:20,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 15:52:20,835 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 15:52:20,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 15:52:20,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 15:52:20,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 15:52:20,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 03:52:20" (1/1) ... [2021-06-11 15:52:20,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fc683c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:52:20, skipping insertion in model container [2021-06-11 15:52:20,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 03:52:20" (1/1) ... [2021-06-11 15:52:20,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 15:52:20,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 15:52:21,039 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/mix055_pso.opt.i[948,961] [2021-06-11 15:52:21,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 15:52:21,230 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 15:52:21,239 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/mix055_pso.opt.i[948,961] [2021-06-11 15:52:21,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 15:52:21,370 INFO L208 MainTranslator]: Completed translation [2021-06-11 15:52:21,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:52:21 WrapperNode [2021-06-11 15:52:21,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 15:52:21,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 15:52:21,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 15:52:21,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 15:52:21,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:52:21" (1/1) ... [2021-06-11 15:52:21,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:52:21" (1/1) ... [2021-06-11 15:52:21,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 15:52:21,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 15:52:21,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 15:52:21,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 15:52:21,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:52:21" (1/1) ... [2021-06-11 15:52:21,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:52:21" (1/1) ... [2021-06-11 15:52:21,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:52:21" (1/1) ... [2021-06-11 15:52:21,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:52:21" (1/1) ... [2021-06-11 15:52:21,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:52:21" (1/1) ... [2021-06-11 15:52:21,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:52:21" (1/1) ... [2021-06-11 15:52:21,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:52:21" (1/1) ... [2021-06-11 15:52:21,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 15:52:21,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 15:52:21,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 15:52:21,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 15:52:21,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:52:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 15:52:21,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 15:52:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 15:52:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 15:52:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 15:52:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 15:52:21,555 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 15:52:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 15:52:21,555 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 15:52:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 15:52:21,556 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 15:52:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-11 15:52:21,556 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-11 15:52:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 15:52:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 15:52:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 15:52:21,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 15:52:21,558 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 15:52:23,196 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 15:52:23,196 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 15:52:23,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 03:52:23 BoogieIcfgContainer [2021-06-11 15:52:23,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 15:52:23,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 15:52:23,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 15:52:23,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 15:52:23,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 03:52:20" (1/3) ... [2021-06-11 15:52:23,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa8a752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 03:52:23, skipping insertion in model container [2021-06-11 15:52:23,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:52:21" (2/3) ... [2021-06-11 15:52:23,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa8a752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 03:52:23, skipping insertion in model container [2021-06-11 15:52:23,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 03:52:23" (3/3) ... [2021-06-11 15:52:23,205 INFO L111 eAbstractionObserver]: Analyzing ICFG mix055_pso.opt.i [2021-06-11 15:52:23,211 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 15:52:23,215 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 15:52:23,215 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 15:52:23,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,253 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,253 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,254 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,254 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,255 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,255 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,255 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,256 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,257 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,257 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,257 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,257 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,257 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,258 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,258 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,258 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,258 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,258 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,261 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,261 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,262 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,262 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,262 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,262 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,262 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,263 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,263 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,263 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,263 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,263 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,263 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,264 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,264 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,264 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,264 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,265 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,265 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,265 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,265 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,265 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,265 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,266 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,266 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,268 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,268 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,268 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,268 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,270 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,270 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,272 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,273 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,278 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,278 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,278 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,286 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,287 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,288 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,288 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:52:23,288 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 15:52:23,304 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 15:52:23,335 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 15:52:23,335 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 15:52:23,335 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 15:52:23,335 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 15:52:23,336 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 15:52:23,336 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 15:52:23,336 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 15:52:23,336 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 15:52:23,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 246 flow [2021-06-11 15:52:23,389 INFO L129 PetriNetUnfolder]: 2/109 cut-off events. [2021-06-11 15:52:23,389 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:52:23,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-06-11 15:52:23,393 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 113 transitions, 246 flow [2021-06-11 15:52:23,397 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 109 transitions, 230 flow [2021-06-11 15:52:23,401 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:23,413 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 109 transitions, 230 flow [2021-06-11 15:52:23,417 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 109 transitions, 230 flow [2021-06-11 15:52:23,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 109 transitions, 230 flow [2021-06-11 15:52:23,440 INFO L129 PetriNetUnfolder]: 2/109 cut-off events. [2021-06-11 15:52:23,440 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:52:23,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-06-11 15:52:23,446 INFO L151 LiptonReduction]: Number of co-enabled transitions 2406 [2021-06-11 15:52:23,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:23,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:23,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:23,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:23,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:23,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:23,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:23,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:23,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:23,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:23,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:23,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:23,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:23,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:23,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:23,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:23,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:23,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:23,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:23,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:23,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:23,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:23,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:23,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:24,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:24,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:24,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:52:24,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:24,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:24,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:24,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:24,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:24,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:24,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:24,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:52:24,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:24,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:24,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:24,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:52:24,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:24,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:24,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:24,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:24,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,770 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 15:52:24,770 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:52:24,795 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:24,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:24,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:25,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:25,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:52:25,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,102 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 15:52:25,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:25,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:25,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:25,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:25,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:52:26,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:26,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:26,258 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-11 15:52:26,682 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-06-11 15:52:26,817 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-11 15:52:26,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:26,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:26,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:26,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 15:52:26,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:26,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:26,838 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 1] term [2021-06-11 15:52:26,838 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:52:26,841 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:26,849 INFO L147 QuantifierPusher]: treesize reduction 50, result has 50.0 percent of original size 50 [2021-06-11 15:52:26,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:26,854 INFO L142 QuantifierPusher]: treesize reduction 50, result has 68.8 percent of original size [2021-06-11 15:52:26,855 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 1] term [2021-06-11 15:52:26,855 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:52:26,856 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:26,864 INFO L147 QuantifierPusher]: treesize reduction 76, result has 39.7 percent of original size 50 [2021-06-11 15:52:26,865 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 3, 2, 1] term [2021-06-11 15:52:26,865 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:52:26,867 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:26,882 INFO L147 QuantifierPusher]: treesize reduction 141, result has 44.3 percent of original size 112 [2021-06-11 15:52:27,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:27,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:27,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:27,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:52:27,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:27,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:27,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:27,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:27,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:27,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,525 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 15:52:27,608 INFO L142 QuantifierPusher]: treesize reduction 84, result has 91.2 percent of original size [2021-06-11 15:52:27,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:27,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 15:52:27,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:27,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,651 INFO L147 QuantifierPusher]: treesize reduction 13, result has 82.4 percent of original size 61 [2021-06-11 15:52:27,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:27,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 15:52:27,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:27,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 15:52:27,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:27,665 INFO L142 QuantifierPusher]: treesize reduction 13, result has 92.7 percent of original size [2021-06-11 15:52:27,666 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 2, 2, 4, 3, 2, 1] term [2021-06-11 15:52:27,668 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:52:27,670 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,670 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 3, 2, 1] term [2021-06-11 15:52:27,671 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:52:27,672 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,674 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 2, 2, 1] term [2021-06-11 15:52:27,674 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:52:27,675 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,679 INFO L147 QuantifierPusher]: treesize reduction 148, result has 52.1 percent of original size 161 [2021-06-11 15:52:27,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:27,683 INFO L142 QuantifierPusher]: treesize reduction 148, result has 64.3 percent of original size [2021-06-11 15:52:27,685 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 4, 4, 2, 2, 1] term [2021-06-11 15:52:27,685 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:52:27,688 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,689 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 4, 4, 2, 2, 1] term [2021-06-11 15:52:27,689 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:52:27,693 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,694 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 4, 4, 2, 2, 1] term [2021-06-11 15:52:27,694 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:52:27,697 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,710 INFO L147 QuantifierPusher]: treesize reduction 459, result has 26.3 percent of original size 164 [2021-06-11 15:52:27,711 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 4, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 15:52:27,711 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:52:27,713 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,714 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 15:52:27,714 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:52:27,716 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,717 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 4, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 15:52:27,717 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:52:27,719 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:27,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-06-11 15:52:27,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:27,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,733 INFO L147 QuantifierPusher]: treesize reduction 29, result has 3.3 percent of original size 1 [2021-06-11 15:52:27,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:27,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:27,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:27,739 INFO L142 QuantifierPusher]: treesize reduction 31, result has 73.7 percent of original size [2021-06-11 15:52:27,742 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-06-11 15:52:27,755 INFO L147 QuantifierPusher]: treesize reduction 1784, result has 14.8 percent of original size 311 [2021-06-11 15:52:27,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:27,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:27,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:27,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:27,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:28,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:28,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:28,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:28,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:28,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:28,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 15:52:28,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:28,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:28,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:28,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:28,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:28,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 15:52:28,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 15:52:28,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:28,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:28,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 15:52:28,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 15:52:28,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:28,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:28,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:28,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:28,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:52:28,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:28,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:28,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:28,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:28,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:28,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:28,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:28,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:28,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:52:29,323 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-06-11 15:52:29,471 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-06-11 15:52:29,861 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-06-11 15:52:30,011 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-06-11 15:52:30,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:30,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:52:30,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:30,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:30,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:52:30,062 INFO L163 LiptonReduction]: Checked pairs total: 6713 [2021-06-11 15:52:30,062 INFO L165 LiptonReduction]: Total number of compositions: 97 [2021-06-11 15:52:30,065 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6668 [2021-06-11 15:52:30,074 INFO L129 PetriNetUnfolder]: 0/20 cut-off events. [2021-06-11 15:52:30,074 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:52:30,074 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:30,075 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:30,075 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:30,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:30,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1021663898, now seen corresponding path program 1 times [2021-06-11 15:52:30,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:30,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447823328] [2021-06-11 15:52:30,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:30,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:30,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:30,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:30,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447823328] [2021-06-11 15:52:30,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:30,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 15:52:30,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784606022] [2021-06-11 15:52:30,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 15:52:30,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:30,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 15:52:30,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 15:52:30,260 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 210 [2021-06-11 15:52:30,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 31 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:30,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:30,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 210 [2021-06-11 15:52:30,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:30,335 INFO L129 PetriNetUnfolder]: 16/69 cut-off events. [2021-06-11 15:52:30,336 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:52:30,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 69 events. 16/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 212 event pairs, 6 based on Foata normal form. 12/74 useless extension candidates. Maximal degree in co-relation 106. Up to 27 conditions per place. [2021-06-11 15:52:30,338 INFO L132 encePairwiseOnDemand]: 205/210 looper letters, 7 selfloop transitions, 2 changer transitions 0/31 dead transitions. [2021-06-11 15:52:30,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 31 transitions, 92 flow [2021-06-11 15:52:30,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 15:52:30,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 15:52:30,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 545 transitions. [2021-06-11 15:52:30,355 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8650793650793651 [2021-06-11 15:52:30,356 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 545 transitions. [2021-06-11 15:52:30,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 545 transitions. [2021-06-11 15:52:30,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:30,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 545 transitions. [2021-06-11 15:52:30,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:30,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:30,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:30,373 INFO L185 Difference]: Start difference. First operand has 43 places, 31 transitions, 74 flow. Second operand 3 states and 545 transitions. [2021-06-11 15:52:30,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 31 transitions, 92 flow [2021-06-11 15:52:30,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 31 transitions, 88 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 15:52:30,377 INFO L241 Difference]: Finished difference. Result has 39 places, 28 transitions, 68 flow [2021-06-11 15:52:30,378 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=39, PETRI_TRANSITIONS=28} [2021-06-11 15:52:30,379 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, -4 predicate places. [2021-06-11 15:52:30,379 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:30,379 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 28 transitions, 68 flow [2021-06-11 15:52:30,380 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 28 transitions, 68 flow [2021-06-11 15:52:30,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 28 transitions, 68 flow [2021-06-11 15:52:30,385 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-06-11 15:52:30,385 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:52:30,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 15:52:30,386 INFO L151 LiptonReduction]: Number of co-enabled transitions 390 [2021-06-11 15:52:31,201 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2021-06-11 15:52:31,519 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-06-11 15:52:32,922 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 315 DAG size of output: 270 [2021-06-11 15:52:33,541 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-06-11 15:52:33,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:33,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:34,721 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2021-06-11 15:52:35,261 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-06-11 15:52:37,568 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 337 DAG size of output: 291 [2021-06-11 15:52:38,644 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 287 [2021-06-11 15:52:38,864 INFO L163 LiptonReduction]: Checked pairs total: 846 [2021-06-11 15:52:38,864 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 15:52:38,864 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8485 [2021-06-11 15:52:38,865 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 66 flow [2021-06-11 15:52:38,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:38,866 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:38,866 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:38,866 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 15:52:38,866 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:38,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:38,867 INFO L82 PathProgramCache]: Analyzing trace with hash -2042723889, now seen corresponding path program 1 times [2021-06-11 15:52:38,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:38,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459072633] [2021-06-11 15:52:38,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:38,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:38,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:38,977 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-11 15:52:38,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 15:52:38,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:38,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459072633] [2021-06-11 15:52:38,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:38,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 15:52:38,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986377717] [2021-06-11 15:52:38,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:52:38,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:38,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:52:38,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:52:38,997 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 212 [2021-06-11 15:52:38,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 66 flow. Second operand has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:38,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:38,999 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 212 [2021-06-11 15:52:38,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:39,057 INFO L129 PetriNetUnfolder]: 7/44 cut-off events. [2021-06-11 15:52:39,057 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:52:39,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 44 events. 7/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 107 event pairs, 1 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 66. Up to 10 conditions per place. [2021-06-11 15:52:39,058 INFO L132 encePairwiseOnDemand]: 207/212 looper letters, 3 selfloop transitions, 3 changer transitions 6/34 dead transitions. [2021-06-11 15:52:39,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 34 transitions, 104 flow [2021-06-11 15:52:39,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:52:39,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:52:39,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 878 transitions. [2021-06-11 15:52:39,062 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8283018867924529 [2021-06-11 15:52:39,062 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 878 transitions. [2021-06-11 15:52:39,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 878 transitions. [2021-06-11 15:52:39,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:39,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 878 transitions. [2021-06-11 15:52:39,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 175.6) internal successors, (878), 5 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:39,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 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) [2021-06-11 15:52:39,069 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 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) [2021-06-11 15:52:39,069 INFO L185 Difference]: Start difference. First operand has 38 places, 27 transitions, 66 flow. Second operand 5 states and 878 transitions. [2021-06-11 15:52:39,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 34 transitions, 104 flow [2021-06-11 15:52:39,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 34 transitions, 100 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 15:52:39,071 INFO L241 Difference]: Finished difference. Result has 42 places, 28 transitions, 83 flow [2021-06-11 15:52:39,071 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=83, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2021-06-11 15:52:39,071 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, -1 predicate places. [2021-06-11 15:52:39,071 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:39,072 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 28 transitions, 83 flow [2021-06-11 15:52:39,072 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 28 transitions, 83 flow [2021-06-11 15:52:39,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 28 transitions, 83 flow [2021-06-11 15:52:39,082 INFO L129 PetriNetUnfolder]: 3/34 cut-off events. [2021-06-11 15:52:39,082 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 15:52:39,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 34 events. 3/34 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 1 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 53. Up to 10 conditions per place. [2021-06-11 15:52:39,083 INFO L151 LiptonReduction]: Number of co-enabled transitions 388 [2021-06-11 15:52:39,119 INFO L163 LiptonReduction]: Checked pairs total: 332 [2021-06-11 15:52:39,119 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:39,119 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-06-11 15:52:39,120 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 83 flow [2021-06-11 15:52:39,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:39,120 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:39,121 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:39,121 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 15:52:39,121 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:39,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:39,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1064152546, now seen corresponding path program 1 times [2021-06-11 15:52:39,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:39,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616910498] [2021-06-11 15:52:39,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:39,249 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-06-11 15:52:39,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 15:52:39,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:39,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:52:39,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:39,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616910498] [2021-06-11 15:52:39,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:39,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 15:52:39,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253912838] [2021-06-11 15:52:39,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:52:39,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:39,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:52:39,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:52:39,294 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 212 [2021-06-11 15:52:39,295 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 83 flow. Second operand has 4 states, 4 states have (on average 159.75) internal successors, (639), 4 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:39,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:39,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 212 [2021-06-11 15:52:39,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:39,349 INFO L129 PetriNetUnfolder]: 53/144 cut-off events. [2021-06-11 15:52:39,349 INFO L130 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2021-06-11 15:52:39,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 144 events. 53/144 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 587 event pairs, 28 based on Foata normal form. 1/125 useless extension candidates. Maximal degree in co-relation 289. Up to 77 conditions per place. [2021-06-11 15:52:39,353 INFO L132 encePairwiseOnDemand]: 208/212 looper letters, 7 selfloop transitions, 3 changer transitions 0/31 dead transitions. [2021-06-11 15:52:39,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 31 transitions, 109 flow [2021-06-11 15:52:39,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 15:52:39,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 15:52:39,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2021-06-11 15:52:39,357 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7672955974842768 [2021-06-11 15:52:39,357 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 488 transitions. [2021-06-11 15:52:39,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 488 transitions. [2021-06-11 15:52:39,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:39,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 488 transitions. [2021-06-11 15:52:39,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:39,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:39,360 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:39,360 INFO L185 Difference]: Start difference. First operand has 39 places, 28 transitions, 83 flow. Second operand 3 states and 488 transitions. [2021-06-11 15:52:39,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 31 transitions, 109 flow [2021-06-11 15:52:39,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 31 transitions, 102 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-06-11 15:52:39,362 INFO L241 Difference]: Finished difference. Result has 40 places, 30 transitions, 95 flow [2021-06-11 15:52:39,362 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=40, PETRI_TRANSITIONS=30} [2021-06-11 15:52:39,362 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, -3 predicate places. [2021-06-11 15:52:39,362 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:39,363 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 30 transitions, 95 flow [2021-06-11 15:52:39,363 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 30 transitions, 95 flow [2021-06-11 15:52:39,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 30 transitions, 95 flow [2021-06-11 15:52:39,371 INFO L129 PetriNetUnfolder]: 10/58 cut-off events. [2021-06-11 15:52:39,371 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-06-11 15:52:39,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 58 events. 10/58 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 182 event pairs, 4 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 98. Up to 18 conditions per place. [2021-06-11 15:52:39,374 INFO L151 LiptonReduction]: Number of co-enabled transitions 426 [2021-06-11 15:52:39,392 INFO L163 LiptonReduction]: Checked pairs total: 278 [2021-06-11 15:52:39,392 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:39,392 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-06-11 15:52:39,396 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 30 transitions, 95 flow [2021-06-11 15:52:39,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 159.75) internal successors, (639), 4 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:39,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:39,397 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:39,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 15:52:39,398 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:39,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:39,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1100197913, now seen corresponding path program 1 times [2021-06-11 15:52:39,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:39,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389456117] [2021-06-11 15:52:39,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:39,606 INFO L142 QuantifierPusher]: treesize reduction 30, result has 34.8 percent of original size [2021-06-11 15:52:39,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 15:52:39,619 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 15:52:39,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 15:52:39,649 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-06-11 15:52:39,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-06-11 15:52:39,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:39,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389456117] [2021-06-11 15:52:39,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:39,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:52:39,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778972894] [2021-06-11 15:52:39,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 15:52:39,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:39,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 15:52:39,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 15:52:39,686 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 212 [2021-06-11 15:52:39,687 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 30 transitions, 95 flow. Second operand has 5 states, 5 states have (on average 162.8) internal successors, (814), 5 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:39,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:39,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 212 [2021-06-11 15:52:39,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:39,780 INFO L129 PetriNetUnfolder]: 47/131 cut-off events. [2021-06-11 15:52:39,780 INFO L130 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2021-06-11 15:52:39,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 131 events. 47/131 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 498 event pairs, 30 based on Foata normal form. 1/115 useless extension candidates. Maximal degree in co-relation 287. Up to 67 conditions per place. [2021-06-11 15:52:39,782 INFO L132 encePairwiseOnDemand]: 207/212 looper letters, 8 selfloop transitions, 5 changer transitions 0/34 dead transitions. [2021-06-11 15:52:39,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 34 transitions, 131 flow [2021-06-11 15:52:39,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 15:52:39,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 15:52:39,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 662 transitions. [2021-06-11 15:52:39,785 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7806603773584906 [2021-06-11 15:52:39,785 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 662 transitions. [2021-06-11 15:52:39,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 662 transitions. [2021-06-11 15:52:39,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:39,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 662 transitions. [2021-06-11 15:52:39,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 165.5) internal successors, (662), 4 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:39,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:39,790 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:39,790 INFO L185 Difference]: Start difference. First operand has 40 places, 30 transitions, 95 flow. Second operand 4 states and 662 transitions. [2021-06-11 15:52:39,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 34 transitions, 131 flow [2021-06-11 15:52:39,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 34 transitions, 128 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 15:52:39,792 INFO L241 Difference]: Finished difference. Result has 43 places, 32 transitions, 117 flow [2021-06-11 15:52:39,792 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=117, PETRI_PLACES=43, PETRI_TRANSITIONS=32} [2021-06-11 15:52:39,792 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 0 predicate places. [2021-06-11 15:52:39,792 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:39,793 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 32 transitions, 117 flow [2021-06-11 15:52:39,793 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 32 transitions, 117 flow [2021-06-11 15:52:39,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 32 transitions, 117 flow [2021-06-11 15:52:39,804 INFO L129 PetriNetUnfolder]: 16/69 cut-off events. [2021-06-11 15:52:39,804 INFO L130 PetriNetUnfolder]: For 35/38 co-relation queries the response was YES. [2021-06-11 15:52:39,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 69 events. 16/69 cut-off events. For 35/38 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 224 event pairs, 7 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 141. Up to 23 conditions per place. [2021-06-11 15:52:39,806 INFO L151 LiptonReduction]: Number of co-enabled transitions 466 [2021-06-11 15:52:39,924 INFO L163 LiptonReduction]: Checked pairs total: 278 [2021-06-11 15:52:39,924 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:39,924 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 132 [2021-06-11 15:52:39,925 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 32 transitions, 117 flow [2021-06-11 15:52:39,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 162.8) internal successors, (814), 5 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:39,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:39,926 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:39,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 15:52:39,926 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:39,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:39,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1642579897, now seen corresponding path program 1 times [2021-06-11 15:52:39,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:39,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431380607] [2021-06-11 15:52:39,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:39,983 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 15:52:39,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 15:52:40,009 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-06-11 15:52:40,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 15:52:40,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:40,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 15:52:40,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:40,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431380607] [2021-06-11 15:52:40,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:40,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:52:40,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260285485] [2021-06-11 15:52:40,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 15:52:40,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:40,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 15:52:40,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 15:52:40,051 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 212 [2021-06-11 15:52:40,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 32 transitions, 117 flow. Second operand has 5 states, 5 states have (on average 164.8) internal successors, (824), 5 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:40,053 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:40,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 212 [2021-06-11 15:52:40,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:40,129 INFO L129 PetriNetUnfolder]: 41/122 cut-off events. [2021-06-11 15:52:40,129 INFO L130 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2021-06-11 15:52:40,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 122 events. 41/122 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 452 event pairs, 17 based on Foata normal form. 1/110 useless extension candidates. Maximal degree in co-relation 299. Up to 54 conditions per place. [2021-06-11 15:52:40,131 INFO L132 encePairwiseOnDemand]: 207/212 looper letters, 10 selfloop transitions, 6 changer transitions 0/37 dead transitions. [2021-06-11 15:52:40,131 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 37 transitions, 167 flow [2021-06-11 15:52:40,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 15:52:40,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 15:52:40,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 670 transitions. [2021-06-11 15:52:40,134 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7900943396226415 [2021-06-11 15:52:40,134 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 670 transitions. [2021-06-11 15:52:40,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 670 transitions. [2021-06-11 15:52:40,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:40,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 670 transitions. [2021-06-11 15:52:40,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 167.5) internal successors, (670), 4 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) [2021-06-11 15:52:40,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:40,139 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:40,139 INFO L185 Difference]: Start difference. First operand has 43 places, 32 transitions, 117 flow. Second operand 4 states and 670 transitions. [2021-06-11 15:52:40,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 37 transitions, 167 flow [2021-06-11 15:52:40,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 37 transitions, 158 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-06-11 15:52:40,141 INFO L241 Difference]: Finished difference. Result has 45 places, 34 transitions, 133 flow [2021-06-11 15:52:40,141 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=133, PETRI_PLACES=45, PETRI_TRANSITIONS=34} [2021-06-11 15:52:40,141 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 2 predicate places. [2021-06-11 15:52:40,141 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:40,142 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 34 transitions, 133 flow [2021-06-11 15:52:40,142 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 34 transitions, 133 flow [2021-06-11 15:52:40,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 34 transitions, 133 flow [2021-06-11 15:52:40,153 INFO L129 PetriNetUnfolder]: 26/89 cut-off events. [2021-06-11 15:52:40,153 INFO L130 PetriNetUnfolder]: For 130/139 co-relation queries the response was YES. [2021-06-11 15:52:40,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 89 events. 26/89 cut-off events. For 130/139 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 319 event pairs, 13 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 213. Up to 33 conditions per place. [2021-06-11 15:52:40,155 INFO L151 LiptonReduction]: Number of co-enabled transitions 506 [2021-06-11 15:52:40,182 INFO L163 LiptonReduction]: Checked pairs total: 256 [2021-06-11 15:52:40,182 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:40,182 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-06-11 15:52:40,183 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 34 transitions, 133 flow [2021-06-11 15:52:40,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 164.8) internal successors, (824), 5 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:40,184 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:40,184 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:40,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 15:52:40,184 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:40,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:40,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1012935662, now seen corresponding path program 1 times [2021-06-11 15:52:40,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:40,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576303802] [2021-06-11 15:52:40,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:40,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:40,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:52:40,242 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 15:52:40,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 15:52:40,268 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 15:52:40,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 15:52:40,296 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 15:52:40,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 15:52:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:40,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576303802] [2021-06-11 15:52:40,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:40,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 15:52:40,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354331501] [2021-06-11 15:52:40,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 15:52:40,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:40,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 15:52:40,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 15:52:40,328 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 212 [2021-06-11 15:52:40,329 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 34 transitions, 133 flow. Second operand has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:40,329 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:40,329 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 212 [2021-06-11 15:52:40,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:40,452 INFO L129 PetriNetUnfolder]: 45/129 cut-off events. [2021-06-11 15:52:40,453 INFO L130 PetriNetUnfolder]: For 161/161 co-relation queries the response was YES. [2021-06-11 15:52:40,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 129 events. 45/129 cut-off events. For 161/161 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 478 event pairs, 9 based on Foata normal form. 1/117 useless extension candidates. Maximal degree in co-relation 356. Up to 58 conditions per place. [2021-06-11 15:52:40,455 INFO L132 encePairwiseOnDemand]: 205/212 looper letters, 10 selfloop transitions, 11 changer transitions 0/42 dead transitions. [2021-06-11 15:52:40,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 42 transitions, 211 flow [2021-06-11 15:52:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:52:40,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:52:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 828 transitions. [2021-06-11 15:52:40,458 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7811320754716982 [2021-06-11 15:52:40,458 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 828 transitions. [2021-06-11 15:52:40,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 828 transitions. [2021-06-11 15:52:40,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:40,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 828 transitions. [2021-06-11 15:52:40,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 165.6) internal successors, (828), 5 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:40,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 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) [2021-06-11 15:52:40,463 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 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) [2021-06-11 15:52:40,463 INFO L185 Difference]: Start difference. First operand has 45 places, 34 transitions, 133 flow. Second operand 5 states and 828 transitions. [2021-06-11 15:52:40,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 42 transitions, 211 flow [2021-06-11 15:52:40,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 42 transitions, 202 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-06-11 15:52:40,467 INFO L241 Difference]: Finished difference. Result has 50 places, 40 transitions, 190 flow [2021-06-11 15:52:40,468 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=190, PETRI_PLACES=50, PETRI_TRANSITIONS=40} [2021-06-11 15:52:40,468 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 7 predicate places. [2021-06-11 15:52:40,468 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:40,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 40 transitions, 190 flow [2021-06-11 15:52:40,468 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 40 transitions, 190 flow [2021-06-11 15:52:40,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 40 transitions, 190 flow [2021-06-11 15:52:40,485 INFO L129 PetriNetUnfolder]: 42/123 cut-off events. [2021-06-11 15:52:40,485 INFO L130 PetriNetUnfolder]: For 277/289 co-relation queries the response was YES. [2021-06-11 15:52:40,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 123 events. 42/123 cut-off events. For 277/289 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 505 event pairs, 17 based on Foata normal form. 4/109 useless extension candidates. Maximal degree in co-relation 352. Up to 51 conditions per place. [2021-06-11 15:52:40,487 INFO L151 LiptonReduction]: Number of co-enabled transitions 602 [2021-06-11 15:52:40,497 INFO L163 LiptonReduction]: Checked pairs total: 308 [2021-06-11 15:52:40,497 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:40,497 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-06-11 15:52:40,498 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 40 transitions, 190 flow [2021-06-11 15:52:40,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:40,498 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:40,499 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:40,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 15:52:40,499 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:40,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:40,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1220864688, now seen corresponding path program 2 times [2021-06-11 15:52:40,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:40,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558844848] [2021-06-11 15:52:40,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:40,602 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-06-11 15:52:40,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:40,614 INFO L142 QuantifierPusher]: treesize reduction 30, result has 34.8 percent of original size [2021-06-11 15:52:40,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 15:52:40,630 INFO L142 QuantifierPusher]: treesize reduction 40, result has 57.9 percent of original size [2021-06-11 15:52:40,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-11 15:52:40,662 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-06-11 15:52:40,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 15:52:40,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:40,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558844848] [2021-06-11 15:52:40,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:40,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 15:52:40,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606504664] [2021-06-11 15:52:40,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 15:52:40,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:40,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 15:52:40,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 15:52:40,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 212 [2021-06-11 15:52:40,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 40 transitions, 190 flow. Second operand has 6 states, 6 states have (on average 160.83333333333334) internal successors, (965), 6 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:40,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:40,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 212 [2021-06-11 15:52:40,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:40,795 INFO L129 PetriNetUnfolder]: 46/127 cut-off events. [2021-06-11 15:52:40,795 INFO L130 PetriNetUnfolder]: For 249/252 co-relation queries the response was YES. [2021-06-11 15:52:40,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 127 events. 46/127 cut-off events. For 249/252 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 446 event pairs, 12 based on Foata normal form. 4/118 useless extension candidates. Maximal degree in co-relation 428. Up to 59 conditions per place. [2021-06-11 15:52:40,797 INFO L132 encePairwiseOnDemand]: 205/212 looper letters, 11 selfloop transitions, 12 changer transitions 0/44 dead transitions. [2021-06-11 15:52:40,797 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 44 transitions, 266 flow [2021-06-11 15:52:40,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:52:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:52:40,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 818 transitions. [2021-06-11 15:52:40,800 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7716981132075472 [2021-06-11 15:52:40,800 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 818 transitions. [2021-06-11 15:52:40,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 818 transitions. [2021-06-11 15:52:40,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:40,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 818 transitions. [2021-06-11 15:52:40,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 163.6) internal successors, (818), 5 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:40,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 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) [2021-06-11 15:52:40,805 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 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) [2021-06-11 15:52:40,805 INFO L185 Difference]: Start difference. First operand has 50 places, 40 transitions, 190 flow. Second operand 5 states and 818 transitions. [2021-06-11 15:52:40,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 44 transitions, 266 flow [2021-06-11 15:52:40,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 44 transitions, 255 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-06-11 15:52:40,809 INFO L241 Difference]: Finished difference. Result has 54 places, 42 transitions, 226 flow [2021-06-11 15:52:40,809 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=226, PETRI_PLACES=54, PETRI_TRANSITIONS=42} [2021-06-11 15:52:40,810 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 11 predicate places. [2021-06-11 15:52:40,810 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:40,810 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 42 transitions, 226 flow [2021-06-11 15:52:40,810 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 42 transitions, 226 flow [2021-06-11 15:52:40,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 42 transitions, 226 flow [2021-06-11 15:52:40,827 INFO L129 PetriNetUnfolder]: 44/124 cut-off events. [2021-06-11 15:52:40,828 INFO L130 PetriNetUnfolder]: For 435/445 co-relation queries the response was YES. [2021-06-11 15:52:40,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 124 events. 44/124 cut-off events. For 435/445 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 476 event pairs, 19 based on Foata normal form. 2/109 useless extension candidates. Maximal degree in co-relation 406. Up to 52 conditions per place. [2021-06-11 15:52:40,830 INFO L151 LiptonReduction]: Number of co-enabled transitions 636 [2021-06-11 15:52:40,835 INFO L163 LiptonReduction]: Checked pairs total: 338 [2021-06-11 15:52:40,835 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:40,835 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-06-11 15:52:40,836 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 42 transitions, 226 flow [2021-06-11 15:52:40,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 160.83333333333334) internal successors, (965), 6 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:40,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:40,837 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:40,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 15:52:40,837 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:40,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:40,837 INFO L82 PathProgramCache]: Analyzing trace with hash 695684472, now seen corresponding path program 1 times [2021-06-11 15:52:40,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:40,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210871294] [2021-06-11 15:52:40,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:40,921 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-06-11 15:52:40,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 15:52:40,950 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-06-11 15:52:40,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 15:52:40,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:40,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:52:41,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:41,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210871294] [2021-06-11 15:52:41,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:41,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:52:41,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22319041] [2021-06-11 15:52:41,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 15:52:41,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:41,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 15:52:41,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 15:52:41,003 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 212 [2021-06-11 15:52:41,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 42 transitions, 226 flow. Second operand has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:41,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 212 [2021-06-11 15:52:41,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:41,073 INFO L129 PetriNetUnfolder]: 46/129 cut-off events. [2021-06-11 15:52:41,074 INFO L130 PetriNetUnfolder]: For 383/386 co-relation queries the response was YES. [2021-06-11 15:52:41,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 129 events. 46/129 cut-off events. For 383/386 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 463 event pairs, 11 based on Foata normal form. 4/120 useless extension candidates. Maximal degree in co-relation 477. Up to 63 conditions per place. [2021-06-11 15:52:41,075 INFO L132 encePairwiseOnDemand]: 207/212 looper letters, 16 selfloop transitions, 9 changer transitions 0/46 dead transitions. [2021-06-11 15:52:41,076 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 46 transitions, 310 flow [2021-06-11 15:52:41,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 15:52:41,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 15:52:41,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 647 transitions. [2021-06-11 15:52:41,078 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7629716981132075 [2021-06-11 15:52:41,078 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 647 transitions. [2021-06-11 15:52:41,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 647 transitions. [2021-06-11 15:52:41,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:41,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 647 transitions. [2021-06-11 15:52:41,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 161.75) internal successors, (647), 4 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,082 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,082 INFO L185 Difference]: Start difference. First operand has 54 places, 42 transitions, 226 flow. Second operand 4 states and 647 transitions. [2021-06-11 15:52:41,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 46 transitions, 310 flow [2021-06-11 15:52:41,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 46 transitions, 285 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-06-11 15:52:41,084 INFO L241 Difference]: Finished difference. Result has 55 places, 44 transitions, 242 flow [2021-06-11 15:52:41,085 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=242, PETRI_PLACES=55, PETRI_TRANSITIONS=44} [2021-06-11 15:52:41,085 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 12 predicate places. [2021-06-11 15:52:41,085 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:41,085 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 44 transitions, 242 flow [2021-06-11 15:52:41,085 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 44 transitions, 242 flow [2021-06-11 15:52:41,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 44 transitions, 242 flow [2021-06-11 15:52:41,103 INFO L129 PetriNetUnfolder]: 46/130 cut-off events. [2021-06-11 15:52:41,103 INFO L130 PetriNetUnfolder]: For 587/605 co-relation queries the response was YES. [2021-06-11 15:52:41,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 130 events. 46/130 cut-off events. For 587/605 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 527 event pairs, 10 based on Foata normal form. 4/117 useless extension candidates. Maximal degree in co-relation 440. Up to 52 conditions per place. [2021-06-11 15:52:41,105 INFO L151 LiptonReduction]: Number of co-enabled transitions 670 [2021-06-11 15:52:41,110 INFO L163 LiptonReduction]: Checked pairs total: 370 [2021-06-11 15:52:41,110 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:41,110 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-06-11 15:52:41,111 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 44 transitions, 242 flow [2021-06-11 15:52:41,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,111 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:41,111 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:41,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 15:52:41,112 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:41,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:41,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1474787236, now seen corresponding path program 2 times [2021-06-11 15:52:41,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:41,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581748565] [2021-06-11 15:52:41,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:41,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:41,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:41,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:41,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 15:52:41,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:41,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 15:52:41,199 INFO L142 QuantifierPusher]: treesize reduction 10, result has 58.3 percent of original size [2021-06-11 15:52:41,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:52:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:41,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581748565] [2021-06-11 15:52:41,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:41,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:52:41,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494394084] [2021-06-11 15:52:41,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 15:52:41,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:41,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 15:52:41,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 15:52:41,206 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 212 [2021-06-11 15:52:41,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 44 transitions, 242 flow. Second operand has 5 states, 5 states have (on average 166.0) internal successors, (830), 5 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:41,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 212 [2021-06-11 15:52:41,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:41,275 INFO L129 PetriNetUnfolder]: 42/124 cut-off events. [2021-06-11 15:52:41,275 INFO L130 PetriNetUnfolder]: For 440/444 co-relation queries the response was YES. [2021-06-11 15:52:41,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 124 events. 42/124 cut-off events. For 440/444 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 448 event pairs, 7 based on Foata normal form. 5/118 useless extension candidates. Maximal degree in co-relation 464. Up to 61 conditions per place. [2021-06-11 15:52:41,277 INFO L132 encePairwiseOnDemand]: 206/212 looper letters, 15 selfloop transitions, 9 changer transitions 0/45 dead transitions. [2021-06-11 15:52:41,277 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 45 transitions, 298 flow [2021-06-11 15:52:41,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 15:52:41,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 15:52:41,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 674 transitions. [2021-06-11 15:52:41,280 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7948113207547169 [2021-06-11 15:52:41,280 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 674 transitions. [2021-06-11 15:52:41,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 674 transitions. [2021-06-11 15:52:41,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:41,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 674 transitions. [2021-06-11 15:52:41,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 168.5) internal successors, (674), 4 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,284 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,284 INFO L185 Difference]: Start difference. First operand has 55 places, 44 transitions, 242 flow. Second operand 4 states and 674 transitions. [2021-06-11 15:52:41,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 45 transitions, 298 flow [2021-06-11 15:52:41,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 45 transitions, 280 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-06-11 15:52:41,287 INFO L241 Difference]: Finished difference. Result has 57 places, 44 transitions, 252 flow [2021-06-11 15:52:41,287 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=252, PETRI_PLACES=57, PETRI_TRANSITIONS=44} [2021-06-11 15:52:41,288 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 14 predicate places. [2021-06-11 15:52:41,288 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:41,288 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 44 transitions, 252 flow [2021-06-11 15:52:41,288 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 44 transitions, 252 flow [2021-06-11 15:52:41,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 44 transitions, 252 flow [2021-06-11 15:52:41,338 INFO L129 PetriNetUnfolder]: 42/120 cut-off events. [2021-06-11 15:52:41,338 INFO L130 PetriNetUnfolder]: For 621/639 co-relation queries the response was YES. [2021-06-11 15:52:41,339 INFO L84 FinitePrefix]: Finished finitePrefix Result has 447 conditions, 120 events. 42/120 cut-off events. For 621/639 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 442 event pairs, 12 based on Foata normal form. 4/109 useless extension candidates. Maximal degree in co-relation 427. Up to 48 conditions per place. [2021-06-11 15:52:41,341 INFO L151 LiptonReduction]: Number of co-enabled transitions 670 [2021-06-11 15:52:41,346 INFO L163 LiptonReduction]: Checked pairs total: 370 [2021-06-11 15:52:41,346 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:41,347 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-06-11 15:52:41,348 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 44 transitions, 252 flow [2021-06-11 15:52:41,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 166.0) internal successors, (830), 5 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,348 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:41,349 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:41,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-11 15:52:41,349 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:41,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:41,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1625759664, now seen corresponding path program 3 times [2021-06-11 15:52:41,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:41,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667545263] [2021-06-11 15:52:41,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:41,396 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-06-11 15:52:41,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:41,405 INFO L142 QuantifierPusher]: treesize reduction 30, result has 34.8 percent of original size [2021-06-11 15:52:41,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 15:52:41,416 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 15:52:41,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 15:52:41,441 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-06-11 15:52:41,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-06-11 15:52:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:41,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667545263] [2021-06-11 15:52:41,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:41,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 15:52:41,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007187455] [2021-06-11 15:52:41,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 15:52:41,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:41,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 15:52:41,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 15:52:41,476 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 212 [2021-06-11 15:52:41,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 44 transitions, 252 flow. Second operand has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:41,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 212 [2021-06-11 15:52:41,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:41,557 INFO L129 PetriNetUnfolder]: 43/126 cut-off events. [2021-06-11 15:52:41,557 INFO L130 PetriNetUnfolder]: For 559/563 co-relation queries the response was YES. [2021-06-11 15:52:41,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 518 conditions, 126 events. 43/126 cut-off events. For 559/563 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 453 event pairs, 7 based on Foata normal form. 5/120 useless extension candidates. Maximal degree in co-relation 496. Up to 59 conditions per place. [2021-06-11 15:52:41,559 INFO L132 encePairwiseOnDemand]: 206/212 looper letters, 11 selfloop transitions, 15 changer transitions 0/47 dead transitions. [2021-06-11 15:52:41,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 47 transitions, 328 flow [2021-06-11 15:52:41,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:52:41,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:52:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 826 transitions. [2021-06-11 15:52:41,562 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.779245283018868 [2021-06-11 15:52:41,562 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 826 transitions. [2021-06-11 15:52:41,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 826 transitions. [2021-06-11 15:52:41,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:41,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 826 transitions. [2021-06-11 15:52:41,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 165.2) internal successors, (826), 5 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 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) [2021-06-11 15:52:41,566 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 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) [2021-06-11 15:52:41,566 INFO L185 Difference]: Start difference. First operand has 57 places, 44 transitions, 252 flow. Second operand 5 states and 826 transitions. [2021-06-11 15:52:41,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 47 transitions, 328 flow [2021-06-11 15:52:41,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 47 transitions, 310 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 15:52:41,569 INFO L241 Difference]: Finished difference. Result has 59 places, 46 transitions, 294 flow [2021-06-11 15:52:41,569 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=294, PETRI_PLACES=59, PETRI_TRANSITIONS=46} [2021-06-11 15:52:41,569 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 16 predicate places. [2021-06-11 15:52:41,569 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:41,569 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 46 transitions, 294 flow [2021-06-11 15:52:41,570 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 46 transitions, 294 flow [2021-06-11 15:52:41,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 46 transitions, 294 flow [2021-06-11 15:52:41,584 INFO L129 PetriNetUnfolder]: 37/113 cut-off events. [2021-06-11 15:52:41,584 INFO L130 PetriNetUnfolder]: For 716/734 co-relation queries the response was YES. [2021-06-11 15:52:41,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 462 conditions, 113 events. 37/113 cut-off events. For 716/734 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 418 event pairs, 17 based on Foata normal form. 4/104 useless extension candidates. Maximal degree in co-relation 441. Up to 45 conditions per place. [2021-06-11 15:52:41,586 INFO L151 LiptonReduction]: Number of co-enabled transitions 704 [2021-06-11 15:52:41,591 INFO L163 LiptonReduction]: Checked pairs total: 402 [2021-06-11 15:52:41,591 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:41,591 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-06-11 15:52:41,592 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 46 transitions, 294 flow [2021-06-11 15:52:41,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,592 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:41,593 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:41,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 15:52:41,593 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:41,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:41,593 INFO L82 PathProgramCache]: Analyzing trace with hash 727768418, now seen corresponding path program 4 times [2021-06-11 15:52:41,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:41,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831552276] [2021-06-11 15:52:41,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:41,646 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-06-11 15:52:41,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:52:41,653 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 15:52:41,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 15:52:41,674 INFO L142 QuantifierPusher]: treesize reduction 11, result has 85.9 percent of original size [2021-06-11 15:52:41,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-06-11 15:52:41,709 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-06-11 15:52:41,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-06-11 15:52:41,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:41,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831552276] [2021-06-11 15:52:41,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:41,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 15:52:41,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970577210] [2021-06-11 15:52:41,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 15:52:41,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:41,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 15:52:41,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 15:52:41,746 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 212 [2021-06-11 15:52:41,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 46 transitions, 294 flow. Second operand has 6 states, 6 states have (on average 165.83333333333334) internal successors, (995), 6 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:41,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 212 [2021-06-11 15:52:41,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:41,875 INFO L129 PetriNetUnfolder]: 39/125 cut-off events. [2021-06-11 15:52:41,875 INFO L130 PetriNetUnfolder]: For 786/790 co-relation queries the response was YES. [2021-06-11 15:52:41,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 125 events. 39/125 cut-off events. For 786/790 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 482 event pairs, 6 based on Foata normal form. 7/123 useless extension candidates. Maximal degree in co-relation 528. Up to 49 conditions per place. [2021-06-11 15:52:41,877 INFO L132 encePairwiseOnDemand]: 206/212 looper letters, 12 selfloop transitions, 17 changer transitions 0/50 dead transitions. [2021-06-11 15:52:41,877 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 50 transitions, 388 flow [2021-06-11 15:52:41,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 15:52:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 15:52:41,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1006 transitions. [2021-06-11 15:52:41,881 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7908805031446541 [2021-06-11 15:52:41,881 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1006 transitions. [2021-06-11 15:52:41,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1006 transitions. [2021-06-11 15:52:41,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:41,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1006 transitions. [2021-06-11 15:52:41,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 167.66666666666666) internal successors, (1006), 6 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 212.0) internal successors, (1484), 7 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,886 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 212.0) internal successors, (1484), 7 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,886 INFO L185 Difference]: Start difference. First operand has 59 places, 46 transitions, 294 flow. Second operand 6 states and 1006 transitions. [2021-06-11 15:52:41,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 50 transitions, 388 flow [2021-06-11 15:52:41,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 50 transitions, 352 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-06-11 15:52:41,889 INFO L241 Difference]: Finished difference. Result has 62 places, 48 transitions, 332 flow [2021-06-11 15:52:41,889 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=332, PETRI_PLACES=62, PETRI_TRANSITIONS=48} [2021-06-11 15:52:41,890 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 19 predicate places. [2021-06-11 15:52:41,890 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:41,890 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 48 transitions, 332 flow [2021-06-11 15:52:41,890 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 48 transitions, 332 flow [2021-06-11 15:52:41,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 48 transitions, 332 flow [2021-06-11 15:52:41,906 INFO L129 PetriNetUnfolder]: 35/116 cut-off events. [2021-06-11 15:52:41,906 INFO L130 PetriNetUnfolder]: For 602/615 co-relation queries the response was YES. [2021-06-11 15:52:41,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 470 conditions, 116 events. 35/116 cut-off events. For 602/615 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 449 event pairs, 8 based on Foata normal form. 6/110 useless extension candidates. Maximal degree in co-relation 448. Up to 45 conditions per place. [2021-06-11 15:52:41,908 INFO L151 LiptonReduction]: Number of co-enabled transitions 748 [2021-06-11 15:52:41,917 INFO L163 LiptonReduction]: Checked pairs total: 438 [2021-06-11 15:52:41,917 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:41,917 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-06-11 15:52:41,920 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 48 transitions, 332 flow [2021-06-11 15:52:41,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 165.83333333333334) internal successors, (995), 6 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,920 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:41,920 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:41,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 15:52:41,921 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:41,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:41,921 INFO L82 PathProgramCache]: Analyzing trace with hash 727330202, now seen corresponding path program 1 times [2021-06-11 15:52:41,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:41,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696518992] [2021-06-11 15:52:41,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:41,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:41,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:41,982 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 15:52:41,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:41,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:41,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:41,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:41,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696518992] [2021-06-11 15:52:41,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:41,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:52:41,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939341276] [2021-06-11 15:52:41,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:52:41,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:41,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:52:41,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:52:41,993 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 212 [2021-06-11 15:52:41,994 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 48 transitions, 332 flow. Second operand has 4 states, 4 states have (on average 170.75) internal successors, (683), 4 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:41,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:41,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 212 [2021-06-11 15:52:41,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:42,114 INFO L129 PetriNetUnfolder]: 430/781 cut-off events. [2021-06-11 15:52:42,114 INFO L130 PetriNetUnfolder]: For 2556/2932 co-relation queries the response was YES. [2021-06-11 15:52:42,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2600 conditions, 781 events. 430/781 cut-off events. For 2556/2932 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 4909 event pairs, 150 based on Foata normal form. 85/692 useless extension candidates. Maximal degree in co-relation 2576. Up to 356 conditions per place. [2021-06-11 15:52:42,124 INFO L132 encePairwiseOnDemand]: 204/212 looper letters, 13 selfloop transitions, 12 changer transitions 0/62 dead transitions. [2021-06-11 15:52:42,124 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 62 transitions, 410 flow [2021-06-11 15:52:42,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:52:42,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:52:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 874 transitions. [2021-06-11 15:52:42,128 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8245283018867925 [2021-06-11 15:52:42,128 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 874 transitions. [2021-06-11 15:52:42,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 874 transitions. [2021-06-11 15:52:42,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:42,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 874 transitions. [2021-06-11 15:52:42,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 174.8) internal successors, (874), 5 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:42,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 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) [2021-06-11 15:52:42,132 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 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) [2021-06-11 15:52:42,132 INFO L185 Difference]: Start difference. First operand has 62 places, 48 transitions, 332 flow. Second operand 5 states and 874 transitions. [2021-06-11 15:52:42,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 62 transitions, 410 flow [2021-06-11 15:52:42,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 62 transitions, 394 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-06-11 15:52:42,140 INFO L241 Difference]: Finished difference. Result has 67 places, 58 transitions, 412 flow [2021-06-11 15:52:42,140 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=412, PETRI_PLACES=67, PETRI_TRANSITIONS=58} [2021-06-11 15:52:42,140 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 24 predicate places. [2021-06-11 15:52:42,140 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:42,141 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 58 transitions, 412 flow [2021-06-11 15:52:42,141 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 58 transitions, 412 flow [2021-06-11 15:52:42,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 58 transitions, 412 flow [2021-06-11 15:52:42,226 INFO L129 PetriNetUnfolder]: 392/730 cut-off events. [2021-06-11 15:52:42,226 INFO L130 PetriNetUnfolder]: For 2476/2821 co-relation queries the response was YES. [2021-06-11 15:52:42,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2868 conditions, 730 events. 392/730 cut-off events. For 2476/2821 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 4708 event pairs, 159 based on Foata normal form. 17/614 useless extension candidates. Maximal degree in co-relation 2843. Up to 415 conditions per place. [2021-06-11 15:52:42,240 INFO L151 LiptonReduction]: Number of co-enabled transitions 1006 [2021-06-11 15:52:42,253 INFO L163 LiptonReduction]: Checked pairs total: 485 [2021-06-11 15:52:42,254 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:42,254 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 114 [2021-06-11 15:52:42,254 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 58 transitions, 412 flow [2021-06-11 15:52:42,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 170.75) internal successors, (683), 4 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:42,255 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:42,255 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:42,255 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 15:52:42,255 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:42,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:42,255 INFO L82 PathProgramCache]: Analyzing trace with hash -2137089945, now seen corresponding path program 1 times [2021-06-11 15:52:42,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:42,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240708162] [2021-06-11 15:52:42,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:42,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:42,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:42,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:42,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:42,313 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 15:52:42,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:42,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:42,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:42,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:42,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240708162] [2021-06-11 15:52:42,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:42,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 15:52:42,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132822974] [2021-06-11 15:52:42,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 15:52:42,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:42,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 15:52:42,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 15:52:42,325 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 212 [2021-06-11 15:52:42,326 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 58 transitions, 412 flow. Second operand has 5 states, 5 states have (on average 170.8) internal successors, (854), 5 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:42,326 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:42,326 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 212 [2021-06-11 15:52:42,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:42,456 INFO L129 PetriNetUnfolder]: 305/592 cut-off events. [2021-06-11 15:52:42,456 INFO L130 PetriNetUnfolder]: For 2591/3722 co-relation queries the response was YES. [2021-06-11 15:52:42,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2538 conditions, 592 events. 305/592 cut-off events. For 2591/3722 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 3427 event pairs, 41 based on Foata normal form. 133/621 useless extension candidates. Maximal degree in co-relation 2511. Up to 375 conditions per place. [2021-06-11 15:52:42,464 INFO L132 encePairwiseOnDemand]: 204/212 looper letters, 13 selfloop transitions, 22 changer transitions 0/72 dead transitions. [2021-06-11 15:52:42,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 72 transitions, 563 flow [2021-06-11 15:52:42,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 15:52:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 15:52:42,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1224 transitions. [2021-06-11 15:52:42,467 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8247978436657682 [2021-06-11 15:52:42,467 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1224 transitions. [2021-06-11 15:52:42,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1224 transitions. [2021-06-11 15:52:42,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:42,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1224 transitions. [2021-06-11 15:52:42,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 174.85714285714286) internal successors, (1224), 7 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:42,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 212.0) internal successors, (1696), 8 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:42,473 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 212.0) internal successors, (1696), 8 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:42,473 INFO L185 Difference]: Start difference. First operand has 67 places, 58 transitions, 412 flow. Second operand 7 states and 1224 transitions. [2021-06-11 15:52:42,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 72 transitions, 563 flow [2021-06-11 15:52:42,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 72 transitions, 563 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 15:52:42,479 INFO L241 Difference]: Finished difference. Result has 76 places, 68 transitions, 572 flow [2021-06-11 15:52:42,479 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=572, PETRI_PLACES=76, PETRI_TRANSITIONS=68} [2021-06-11 15:52:42,479 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 33 predicate places. [2021-06-11 15:52:42,479 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:42,479 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 68 transitions, 572 flow [2021-06-11 15:52:42,480 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 68 transitions, 572 flow [2021-06-11 15:52:42,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 68 transitions, 572 flow [2021-06-11 15:52:42,564 INFO L129 PetriNetUnfolder]: 284/571 cut-off events. [2021-06-11 15:52:42,564 INFO L130 PetriNetUnfolder]: For 2849/3722 co-relation queries the response was YES. [2021-06-11 15:52:42,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2833 conditions, 571 events. 284/571 cut-off events. For 2849/3722 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 3492 event pairs, 38 based on Foata normal form. 14/483 useless extension candidates. Maximal degree in co-relation 2803. Up to 361 conditions per place. [2021-06-11 15:52:42,574 INFO L151 LiptonReduction]: Number of co-enabled transitions 1194 [2021-06-11 15:52:42,585 INFO L163 LiptonReduction]: Checked pairs total: 651 [2021-06-11 15:52:42,585 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:42,585 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 106 [2021-06-11 15:52:42,586 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 68 transitions, 572 flow [2021-06-11 15:52:42,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 170.8) internal successors, (854), 5 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:42,586 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:42,586 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:42,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-11 15:52:42,587 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:42,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:42,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1094658318, now seen corresponding path program 1 times [2021-06-11 15:52:42,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:42,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508866139] [2021-06-11 15:52:42,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:42,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:42,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:42,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:42,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:42,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:42,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:42,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:42,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508866139] [2021-06-11 15:52:42,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:42,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:52:42,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974626445] [2021-06-11 15:52:42,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:52:42,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:42,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:52:42,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:52:42,641 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 212 [2021-06-11 15:52:42,641 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 68 transitions, 572 flow. Second operand has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:42,642 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:42,642 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 212 [2021-06-11 15:52:42,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:42,782 INFO L129 PetriNetUnfolder]: 563/1097 cut-off events. [2021-06-11 15:52:42,782 INFO L130 PetriNetUnfolder]: For 6188/7831 co-relation queries the response was YES. [2021-06-11 15:52:42,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5410 conditions, 1097 events. 563/1097 cut-off events. For 6188/7831 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 7621 event pairs, 77 based on Foata normal form. 57/973 useless extension candidates. Maximal degree in co-relation 5378. Up to 731 conditions per place. [2021-06-11 15:52:42,797 INFO L132 encePairwiseOnDemand]: 209/212 looper letters, 4 selfloop transitions, 2 changer transitions 2/70 dead transitions. [2021-06-11 15:52:42,797 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 70 transitions, 604 flow [2021-06-11 15:52:42,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 15:52:42,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 15:52:42,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 727 transitions. [2021-06-11 15:52:42,800 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8573113207547169 [2021-06-11 15:52:42,800 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 727 transitions. [2021-06-11 15:52:42,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 727 transitions. [2021-06-11 15:52:42,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:42,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 727 transitions. [2021-06-11 15:52:42,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 181.75) internal successors, (727), 4 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:42,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:42,816 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:42,816 INFO L185 Difference]: Start difference. First operand has 76 places, 68 transitions, 572 flow. Second operand 4 states and 727 transitions. [2021-06-11 15:52:42,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 70 transitions, 604 flow [2021-06-11 15:52:42,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 70 transitions, 550 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-06-11 15:52:42,837 INFO L241 Difference]: Finished difference. Result has 78 places, 67 transitions, 513 flow [2021-06-11 15:52:42,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=513, PETRI_PLACES=78, PETRI_TRANSITIONS=67} [2021-06-11 15:52:42,838 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 35 predicate places. [2021-06-11 15:52:42,838 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:42,838 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 67 transitions, 513 flow [2021-06-11 15:52:42,838 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 67 transitions, 513 flow [2021-06-11 15:52:42,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 67 transitions, 513 flow [2021-06-11 15:52:42,941 INFO L129 PetriNetUnfolder]: 525/1045 cut-off events. [2021-06-11 15:52:42,941 INFO L130 PetriNetUnfolder]: For 4833/5337 co-relation queries the response was YES. [2021-06-11 15:52:42,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4555 conditions, 1045 events. 525/1045 cut-off events. For 4833/5337 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 7598 event pairs, 73 based on Foata normal form. 30/887 useless extension candidates. Maximal degree in co-relation 4524. Up to 609 conditions per place. [2021-06-11 15:52:42,960 INFO L151 LiptonReduction]: Number of co-enabled transitions 1234 [2021-06-11 15:52:42,975 INFO L163 LiptonReduction]: Checked pairs total: 345 [2021-06-11 15:52:42,975 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:42,975 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 137 [2021-06-11 15:52:42,975 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 67 transitions, 513 flow [2021-06-11 15:52:42,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:42,976 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:42,976 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:42,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-11 15:52:42,977 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:42,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:42,977 INFO L82 PathProgramCache]: Analyzing trace with hash -671540196, now seen corresponding path program 2 times [2021-06-11 15:52:42,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:42,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381933304] [2021-06-11 15:52:42,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:43,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:43,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:43,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:43,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:43,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:43,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381933304] [2021-06-11 15:52:43,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:43,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 15:52:43,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930583753] [2021-06-11 15:52:43,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 15:52:43,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:43,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 15:52:43,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 15:52:43,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 212 [2021-06-11 15:52:43,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 67 transitions, 513 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:43,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:43,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 212 [2021-06-11 15:52:43,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:43,188 INFO L129 PetriNetUnfolder]: 841/1577 cut-off events. [2021-06-11 15:52:43,188 INFO L130 PetriNetUnfolder]: For 8565/9535 co-relation queries the response was YES. [2021-06-11 15:52:43,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7067 conditions, 1577 events. 841/1577 cut-off events. For 8565/9535 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 11610 event pairs, 118 based on Foata normal form. 71/1344 useless extension candidates. Maximal degree in co-relation 7034. Up to 1017 conditions per place. [2021-06-11 15:52:43,206 INFO L132 encePairwiseOnDemand]: 209/212 looper letters, 3 selfloop transitions, 3 changer transitions 0/67 dead transitions. [2021-06-11 15:52:43,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 67 transitions, 525 flow [2021-06-11 15:52:43,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 15:52:43,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 15:52:43,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 549 transitions. [2021-06-11 15:52:43,208 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8632075471698113 [2021-06-11 15:52:43,208 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 549 transitions. [2021-06-11 15:52:43,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 549 transitions. [2021-06-11 15:52:43,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:43,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 549 transitions. [2021-06-11 15:52:43,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:43,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:43,211 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:43,211 INFO L185 Difference]: Start difference. First operand has 78 places, 67 transitions, 513 flow. Second operand 3 states and 549 transitions. [2021-06-11 15:52:43,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 67 transitions, 525 flow [2021-06-11 15:52:43,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 67 transitions, 522 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 15:52:43,231 INFO L241 Difference]: Finished difference. Result has 80 places, 67 transitions, 521 flow [2021-06-11 15:52:43,231 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=521, PETRI_PLACES=80, PETRI_TRANSITIONS=67} [2021-06-11 15:52:43,231 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 37 predicate places. [2021-06-11 15:52:43,231 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:43,232 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 67 transitions, 521 flow [2021-06-11 15:52:43,232 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 67 transitions, 521 flow [2021-06-11 15:52:43,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 67 transitions, 521 flow [2021-06-11 15:52:43,415 INFO L129 PetriNetUnfolder]: 823/1560 cut-off events. [2021-06-11 15:52:43,415 INFO L130 PetriNetUnfolder]: For 7090/7850 co-relation queries the response was YES. [2021-06-11 15:52:43,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6895 conditions, 1560 events. 823/1560 cut-off events. For 7090/7850 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 11727 event pairs, 122 based on Foata normal form. 45/1303 useless extension candidates. Maximal degree in co-relation 6863. Up to 989 conditions per place. [2021-06-11 15:52:43,441 INFO L151 LiptonReduction]: Number of co-enabled transitions 1234 [2021-06-11 15:52:43,451 INFO L163 LiptonReduction]: Checked pairs total: 345 [2021-06-11 15:52:43,451 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:43,451 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 220 [2021-06-11 15:52:43,454 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 67 transitions, 521 flow [2021-06-11 15:52:43,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:43,454 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:43,454 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:43,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-11 15:52:43,455 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:43,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:43,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1567633444, now seen corresponding path program 1 times [2021-06-11 15:52:43,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:43,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727929025] [2021-06-11 15:52:43,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:43,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:43,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:43,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:43,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:43,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:43,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:43,528 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 15:52:43,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:43,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:43,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:43,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:43,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727929025] [2021-06-11 15:52:43,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:43,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 15:52:43,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460250114] [2021-06-11 15:52:43,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 15:52:43,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:43,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 15:52:43,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 15:52:43,541 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 212 [2021-06-11 15:52:43,542 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 67 transitions, 521 flow. Second operand has 6 states, 6 states have (on average 170.83333333333334) internal successors, (1025), 6 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:43,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:43,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 212 [2021-06-11 15:52:43,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:43,767 INFO L129 PetriNetUnfolder]: 695/1318 cut-off events. [2021-06-11 15:52:43,767 INFO L130 PetriNetUnfolder]: For 7347/12352 co-relation queries the response was YES. [2021-06-11 15:52:43,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6610 conditions, 1318 events. 695/1318 cut-off events. For 7347/12352 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 9344 event pairs, 13 based on Foata normal form. 412/1457 useless extension candidates. Maximal degree in co-relation 6576. Up to 861 conditions per place. [2021-06-11 15:52:43,783 INFO L132 encePairwiseOnDemand]: 204/212 looper letters, 6 selfloop transitions, 32 changer transitions 6/75 dead transitions. [2021-06-11 15:52:43,783 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 75 transitions, 668 flow [2021-06-11 15:52:43,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 15:52:43,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 15:52:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1574 transitions. [2021-06-11 15:52:43,787 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8249475890985325 [2021-06-11 15:52:43,787 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1574 transitions. [2021-06-11 15:52:43,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1574 transitions. [2021-06-11 15:52:43,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:43,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1574 transitions. [2021-06-11 15:52:43,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 174.88888888888889) internal successors, (1574), 9 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:43,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 212.0) internal successors, (2120), 10 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:43,794 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 212.0) internal successors, (2120), 10 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:43,794 INFO L185 Difference]: Start difference. First operand has 80 places, 67 transitions, 521 flow. Second operand 9 states and 1574 transitions. [2021-06-11 15:52:43,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 75 transitions, 668 flow [2021-06-11 15:52:43,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 75 transitions, 642 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-06-11 15:52:43,811 INFO L241 Difference]: Finished difference. Result has 85 places, 69 transitions, 596 flow [2021-06-11 15:52:43,811 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=596, PETRI_PLACES=85, PETRI_TRANSITIONS=69} [2021-06-11 15:52:43,811 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 42 predicate places. [2021-06-11 15:52:43,811 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:43,811 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 69 transitions, 596 flow [2021-06-11 15:52:43,812 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 69 transitions, 596 flow [2021-06-11 15:52:43,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 69 transitions, 596 flow [2021-06-11 15:52:43,916 INFO L129 PetriNetUnfolder]: 641/1251 cut-off events. [2021-06-11 15:52:43,916 INFO L130 PetriNetUnfolder]: For 8464/9786 co-relation queries the response was YES. [2021-06-11 15:52:43,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6722 conditions, 1251 events. 641/1251 cut-off events. For 8464/9786 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 9388 event pairs, 12 based on Foata normal form. 13/1012 useless extension candidates. Maximal degree in co-relation 6688. Up to 795 conditions per place. [2021-06-11 15:52:43,939 INFO L151 LiptonReduction]: Number of co-enabled transitions 1304 [2021-06-11 15:52:43,949 INFO L163 LiptonReduction]: Checked pairs total: 477 [2021-06-11 15:52:43,949 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:43,949 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 138 [2021-06-11 15:52:43,950 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 69 transitions, 596 flow [2021-06-11 15:52:43,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 170.83333333333334) internal successors, (1025), 6 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:43,950 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:43,950 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:43,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-11 15:52:43,950 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:43,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:43,951 INFO L82 PathProgramCache]: Analyzing trace with hash -46594325, now seen corresponding path program 1 times [2021-06-11 15:52:43,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:43,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585330335] [2021-06-11 15:52:43,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:44,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:44,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:44,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:44,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:44,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:44,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:44,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:44,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:44,028 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 15:52:44,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:52:44,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:44,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:44,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:44,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585330335] [2021-06-11 15:52:44,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:44,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 15:52:44,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714864648] [2021-06-11 15:52:44,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 15:52:44,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:44,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 15:52:44,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-11 15:52:44,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 212 [2021-06-11 15:52:44,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 69 transitions, 596 flow. Second operand has 7 states, 7 states have (on average 170.85714285714286) internal successors, (1196), 7 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:44,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:44,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 212 [2021-06-11 15:52:44,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:44,281 INFO L129 PetriNetUnfolder]: 602/1169 cut-off events. [2021-06-11 15:52:44,281 INFO L130 PetriNetUnfolder]: For 9134/14490 co-relation queries the response was YES. [2021-06-11 15:52:44,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7255 conditions, 1169 events. 602/1169 cut-off events. For 9134/14490 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 8356 event pairs, 0 based on Foata normal form. 312/1231 useless extension candidates. Maximal degree in co-relation 7219. Up to 745 conditions per place. [2021-06-11 15:52:44,296 INFO L132 encePairwiseOnDemand]: 204/212 looper letters, 2 selfloop transitions, 37 changer transitions 5/75 dead transitions. [2021-06-11 15:52:44,296 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 75 transitions, 750 flow [2021-06-11 15:52:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 15:52:44,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 15:52:44,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1916 transitions. [2021-06-11 15:52:44,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8216123499142367 [2021-06-11 15:52:44,301 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1916 transitions. [2021-06-11 15:52:44,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1916 transitions. [2021-06-11 15:52:44,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:44,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1916 transitions. [2021-06-11 15:52:44,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 174.1818181818182) internal successors, (1916), 11 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:44,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 212.0) internal successors, (2544), 12 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) [2021-06-11 15:52:44,310 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 212.0) internal successors, (2544), 12 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) [2021-06-11 15:52:44,310 INFO L185 Difference]: Start difference. First operand has 85 places, 69 transitions, 596 flow. Second operand 11 states and 1916 transitions. [2021-06-11 15:52:44,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 75 transitions, 750 flow [2021-06-11 15:52:44,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 75 transitions, 613 flow, removed 41 selfloop flow, removed 9 redundant places. [2021-06-11 15:52:44,378 INFO L241 Difference]: Finished difference. Result has 89 places, 70 transitions, 564 flow [2021-06-11 15:52:44,378 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=564, PETRI_PLACES=89, PETRI_TRANSITIONS=70} [2021-06-11 15:52:44,379 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 46 predicate places. [2021-06-11 15:52:44,379 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:44,379 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 70 transitions, 564 flow [2021-06-11 15:52:44,379 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 70 transitions, 564 flow [2021-06-11 15:52:44,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 70 transitions, 564 flow [2021-06-11 15:52:44,511 INFO L129 PetriNetUnfolder]: 590/1149 cut-off events. [2021-06-11 15:52:44,512 INFO L130 PetriNetUnfolder]: For 4663/5466 co-relation queries the response was YES. [2021-06-11 15:52:44,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5205 conditions, 1149 events. 590/1149 cut-off events. For 4663/5466 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 8355 event pairs, 0 based on Foata normal form. 8/881 useless extension candidates. Maximal degree in co-relation 5171. Up to 392 conditions per place. [2021-06-11 15:52:44,538 INFO L151 LiptonReduction]: Number of co-enabled transitions 1276 [2021-06-11 15:52:44,556 INFO L163 LiptonReduction]: Checked pairs total: 457 [2021-06-11 15:52:44,557 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:52:44,557 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 178 [2021-06-11 15:52:44,557 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 70 transitions, 564 flow [2021-06-11 15:52:44,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 170.85714285714286) internal successors, (1196), 7 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:44,558 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:44,558 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:44,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-11 15:52:44,558 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:44,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:44,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1670470412, now seen corresponding path program 1 times [2021-06-11 15:52:44,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:44,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726670046] [2021-06-11 15:52:44,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:52:44,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:44,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:44,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:44,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:44,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:44,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:52:44,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:52:44,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726670046] [2021-06-11 15:52:44,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:52:44,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:52:44,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940327204] [2021-06-11 15:52:44,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:52:44,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:52:44,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:52:44,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:52:44,626 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 212 [2021-06-11 15:52:44,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 70 transitions, 564 flow. Second operand has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:44,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:52:44,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 212 [2021-06-11 15:52:44,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:52:44,854 INFO L129 PetriNetUnfolder]: 1143/2200 cut-off events. [2021-06-11 15:52:44,854 INFO L130 PetriNetUnfolder]: For 10025/11832 co-relation queries the response was YES. [2021-06-11 15:52:44,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9981 conditions, 2200 events. 1143/2200 cut-off events. For 10025/11832 co-relation queries the response was YES. Maximal size of possible extension queue 500. Compared 17407 event pairs, 0 based on Foata normal form. 24/1732 useless extension candidates. Maximal degree in co-relation 9945. Up to 770 conditions per place. [2021-06-11 15:52:44,869 INFO L132 encePairwiseOnDemand]: 209/212 looper letters, 3 selfloop transitions, 2 changer transitions 10/71 dead transitions. [2021-06-11 15:52:44,870 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 71 transitions, 576 flow [2021-06-11 15:52:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 15:52:44,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 15:52:44,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 722 transitions. [2021-06-11 15:52:44,872 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8514150943396226 [2021-06-11 15:52:44,872 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 722 transitions. [2021-06-11 15:52:44,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 722 transitions. [2021-06-11 15:52:44,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:52:44,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 722 transitions. [2021-06-11 15:52:44,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 180.5) internal successors, (722), 4 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:44,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:44,876 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 212.0) internal successors, (1060), 5 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:44,876 INFO L185 Difference]: Start difference. First operand has 88 places, 70 transitions, 564 flow. Second operand 4 states and 722 transitions. [2021-06-11 15:52:44,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 71 transitions, 576 flow [2021-06-11 15:52:45,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 71 transitions, 452 flow, removed 26 selfloop flow, removed 11 redundant places. [2021-06-11 15:52:45,071 INFO L241 Difference]: Finished difference. Result has 82 places, 61 transitions, 380 flow [2021-06-11 15:52:45,071 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=380, PETRI_PLACES=82, PETRI_TRANSITIONS=61} [2021-06-11 15:52:45,071 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 39 predicate places. [2021-06-11 15:52:45,071 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:52:45,071 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 61 transitions, 380 flow [2021-06-11 15:52:45,071 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 61 transitions, 380 flow [2021-06-11 15:52:45,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 61 transitions, 380 flow [2021-06-11 15:52:45,137 INFO L129 PetriNetUnfolder]: 400/897 cut-off events. [2021-06-11 15:52:45,137 INFO L130 PetriNetUnfolder]: For 2304/2488 co-relation queries the response was YES. [2021-06-11 15:52:45,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3354 conditions, 897 events. 400/897 cut-off events. For 2304/2488 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 6777 event pairs, 0 based on Foata normal form. 12/739 useless extension candidates. Maximal degree in co-relation 3327. Up to 276 conditions per place. [2021-06-11 15:52:45,151 INFO L151 LiptonReduction]: Number of co-enabled transitions 886 [2021-06-11 15:52:45,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:52:45,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:52:45,220 INFO L163 LiptonReduction]: Checked pairs total: 82 [2021-06-11 15:52:45,220 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 15:52:45,220 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 149 [2021-06-11 15:52:45,221 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 60 transitions, 380 flow [2021-06-11 15:52:45,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:52:45,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:52:45,221 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:52:45,221 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-11 15:52:45,221 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:52:45,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:52:45,222 INFO L82 PathProgramCache]: Analyzing trace with hash -2098328378, now seen corresponding path program 2 times [2021-06-11 15:52:45,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:52:45,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606899650] [2021-06-11 15:52:45,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:52:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 15:52:45,251 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 15:52:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 15:52:45,281 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 15:52:45,308 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 15:52:45,309 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 15:52:45,309 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-11 15:52:45,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 03:52:45 BasicIcfg [2021-06-11 15:52:45,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 15:52:45,402 INFO L168 Benchmark]: Toolchain (without parser) took 24566.41 ms. Allocated memory was 352.3 MB in the beginning and 822.1 MB in the end (delta: 469.8 MB). Free memory was 314.4 MB in the beginning and 463.4 MB in the end (delta: -149.0 MB). Peak memory consumption was 322.3 MB. Max. memory is 16.0 GB. [2021-06-11 15:52:45,402 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 352.3 MB. Free memory was 332.8 MB in the beginning and 332.8 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 15:52:45,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.05 ms. Allocated memory is still 352.3 MB. Free memory was 314.2 MB in the beginning and 310.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-11 15:52:45,402 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.10 ms. Allocated memory is still 352.3 MB. Free memory was 310.0 MB in the beginning and 307.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 15:52:45,402 INFO L168 Benchmark]: Boogie Preprocessor took 45.47 ms. Allocated memory is still 352.3 MB. Free memory was 307.9 MB in the beginning and 304.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-11 15:52:45,402 INFO L168 Benchmark]: RCFGBuilder took 1727.40 ms. Allocated memory is still 352.3 MB. Free memory was 304.8 MB in the beginning and 261.3 MB in the end (delta: 43.5 MB). Peak memory consumption was 142.0 MB. Max. memory is 16.0 GB. [2021-06-11 15:52:45,402 INFO L168 Benchmark]: TraceAbstraction took 22201.27 ms. Allocated memory was 352.3 MB in the beginning and 822.1 MB in the end (delta: 469.8 MB). Free memory was 260.3 MB in the beginning and 463.4 MB in the end (delta: -203.1 MB). Peak memory consumption was 267.7 MB. Max. memory is 16.0 GB. [2021-06-11 15:52:45,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 352.3 MB. Free memory was 332.8 MB in the beginning and 332.8 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 533.05 ms. Allocated memory is still 352.3 MB. Free memory was 314.2 MB in the beginning and 310.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 53.10 ms. Allocated memory is still 352.3 MB. Free memory was 310.0 MB in the beginning and 307.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 45.47 ms. Allocated memory is still 352.3 MB. Free memory was 307.9 MB in the beginning and 304.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1727.40 ms. Allocated memory is still 352.3 MB. Free memory was 304.8 MB in the beginning and 261.3 MB in the end (delta: 43.5 MB). Peak memory consumption was 142.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 22201.27 ms. Allocated memory was 352.3 MB in the beginning and 822.1 MB in the end (delta: 469.8 MB). Free memory was 260.3 MB in the beginning and 463.4 MB in the end (delta: -203.1 MB). Peak memory consumption was 267.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6645.3ms, 120 PlacesBefore, 43 PlacesAfterwards, 109 TransitionsBefore, 31 TransitionsAfterwards, 2406 CoEnabledTransitionPairs, 8 FixpointIterations, 39 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 97 TotalNumberOfCompositions, 6713 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3153, positive: 2962, positive conditional: 2962, positive unconditional: 0, negative: 191, negative conditional: 191, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3153, positive: 2962, positive conditional: 0, positive unconditional: 2962, negative: 191, negative conditional: 0, negative unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3153, positive: 2962, positive conditional: 0, positive unconditional: 2962, negative: 191, negative conditional: 0, negative unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1939, positive: 1889, positive conditional: 0, positive unconditional: 1889, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1939, positive: 1853, positive conditional: 0, positive unconditional: 1853, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 904, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 811, negative conditional: 0, negative unconditional: 811, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3153, positive: 1073, positive conditional: 0, positive unconditional: 1073, negative: 141, negative conditional: 0, negative unconditional: 141, unknown: 1939, unknown conditional: 0, unknown unconditional: 1939] , Statistics on independence cache: Total cache size (in pairs): 1939, Positive cache size: 1889, Positive conditional cache size: 0, Positive unconditional cache size: 1889, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8484.5ms, 39 PlacesBefore, 38 PlacesAfterwards, 28 TransitionsBefore, 27 TransitionsAfterwards, 390 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 846 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 296, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 46, negative conditional: 46, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 296, positive: 250, positive conditional: 14, positive unconditional: 236, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 296, positive: 250, positive conditional: 14, positive unconditional: 236, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, positive: 59, positive conditional: 4, positive unconditional: 55, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 66, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 230, negative conditional: 0, negative unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 296, positive: 191, positive conditional: 10, positive unconditional: 181, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 66, unknown conditional: 4, unknown unconditional: 62] , Statistics on independence cache: Total cache size (in pairs): 2005, Positive cache size: 1948, Positive conditional cache size: 4, Positive unconditional cache size: 1944, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.8ms, 42 PlacesBefore, 39 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 332 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 113, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 113, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 10, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 113, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 2015, Positive cache size: 1957, Positive conditional cache size: 4, Positive unconditional cache size: 1953, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Eliminated conditions: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.0ms, 40 PlacesBefore, 40 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 278 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 85, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 85, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 85, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 85, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 2019, Positive cache size: 1959, Positive conditional cache size: 4, Positive unconditional cache size: 1955, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 131.0ms, 43 PlacesBefore, 43 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 466 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 278 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 65, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 65, positive: 51, positive conditional: 6, positive unconditional: 45, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 65, positive: 51, positive conditional: 6, positive unconditional: 45, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 6, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 114, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 65, positive: 49, positive conditional: 6, positive unconditional: 43, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 2025, Positive cache size: 1961, Positive conditional cache size: 4, Positive unconditional cache size: 1957, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.6ms, 45 PlacesBefore, 45 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 506 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 256 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72, positive: 60, positive conditional: 60, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 72, positive: 60, positive conditional: 5, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 60, positive conditional: 5, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, positive: 56, positive conditional: 3, positive unconditional: 53, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 2029, Positive cache size: 1965, Positive conditional cache size: 6, Positive unconditional cache size: 1959, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.9ms, 50 PlacesBefore, 50 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 602 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 308 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 71, positive: 58, positive conditional: 58, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 71, positive: 58, positive conditional: 6, positive unconditional: 52, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71, positive: 58, positive conditional: 6, positive unconditional: 52, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 71, positive: 54, positive conditional: 4, positive unconditional: 50, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 2033, Positive cache size: 1969, Positive conditional cache size: 8, Positive unconditional cache size: 1961, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.1ms, 54 PlacesBefore, 54 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 636 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 338 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 88, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 88, positive: 74, positive conditional: 15, positive unconditional: 59, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 88, positive: 74, positive conditional: 15, positive unconditional: 59, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.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: 88, positive: 71, positive conditional: 12, positive unconditional: 59, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2036, Positive cache size: 1972, Positive conditional cache size: 11, Positive unconditional cache size: 1961, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.0ms, 55 PlacesBefore, 55 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 370 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 124, positive: 109, positive conditional: 109, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 124, positive: 109, positive conditional: 36, positive unconditional: 73, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 124, positive: 109, positive conditional: 36, positive unconditional: 73, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124, positive: 104, positive conditional: 34, positive unconditional: 70, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 5, unknown conditional: 2, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 2041, Positive cache size: 1977, Positive conditional cache size: 13, Positive unconditional cache size: 1964, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.3ms, 57 PlacesBefore, 57 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 370 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 108, positive: 93, positive conditional: 93, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 108, positive: 93, positive conditional: 16, positive unconditional: 77, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 108, positive: 93, positive conditional: 16, positive unconditional: 77, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 108, positive: 93, positive conditional: 16, positive unconditional: 77, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2041, Positive cache size: 1977, Positive conditional cache size: 13, Positive unconditional cache size: 1964, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.6ms, 59 PlacesBefore, 59 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 704 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 402 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 93, positive: 77, positive conditional: 77, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 93, positive: 77, positive conditional: 18, positive unconditional: 59, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 93, positive: 77, positive conditional: 18, positive unconditional: 59, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 93, positive: 77, positive conditional: 18, positive unconditional: 59, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2041, Positive cache size: 1977, Positive conditional cache size: 13, Positive unconditional cache size: 1964, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.3ms, 62 PlacesBefore, 62 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 748 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 438 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110, positive: 93, positive conditional: 93, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 110, positive: 93, positive conditional: 22, positive unconditional: 71, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110, positive: 93, positive conditional: 22, positive unconditional: 71, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 110, positive: 91, positive conditional: 20, positive unconditional: 71, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2043, Positive cache size: 1979, Positive conditional cache size: 15, Positive unconditional cache size: 1964, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 112.7ms, 67 PlacesBefore, 67 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 1006 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 485 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 105, positive: 91, positive conditional: 91, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 105, positive: 91, positive conditional: 52, positive unconditional: 39, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105, positive: 91, positive conditional: 52, positive unconditional: 39, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 105, positive: 90, positive conditional: 51, positive unconditional: 39, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2044, Positive cache size: 1980, Positive conditional cache size: 16, Positive unconditional cache size: 1964, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105.2ms, 76 PlacesBefore, 76 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 1194 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 651 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 138, positive: 122, positive conditional: 122, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 138, positive: 122, positive conditional: 84, positive unconditional: 38, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 138, positive: 122, positive conditional: 84, positive unconditional: 38, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 138, positive: 122, positive conditional: 84, positive unconditional: 38, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2044, Positive cache size: 1980, Positive conditional cache size: 16, Positive unconditional cache size: 1964, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 136.8ms, 78 PlacesBefore, 78 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 1234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 345 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 167, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 167, positive: 159, positive conditional: 103, positive unconditional: 56, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167, positive: 159, positive conditional: 103, positive unconditional: 56, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 167, positive: 159, positive conditional: 103, positive unconditional: 56, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2044, Positive cache size: 1980, Positive conditional cache size: 16, Positive unconditional cache size: 1964, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 219.0ms, 80 PlacesBefore, 80 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 1234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 345 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 167, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 167, positive: 159, positive conditional: 103, positive unconditional: 56, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 167, positive: 159, positive conditional: 103, positive unconditional: 56, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 167, positive: 159, positive conditional: 103, positive unconditional: 56, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2044, Positive cache size: 1980, Positive conditional cache size: 16, Positive unconditional cache size: 1964, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 137.5ms, 85 PlacesBefore, 85 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 1304 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 477 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 152, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 152, positive: 142, positive conditional: 90, positive unconditional: 52, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 152, positive: 142, positive conditional: 90, positive unconditional: 52, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 152, positive: 142, positive conditional: 90, positive unconditional: 52, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2044, Positive cache size: 1980, Positive conditional cache size: 16, Positive unconditional cache size: 1964, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 177.5ms, 89 PlacesBefore, 88 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 1276 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 457 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 168, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 168, positive: 158, positive conditional: 115, positive unconditional: 43, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 168, positive: 158, positive conditional: 115, positive unconditional: 43, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 168, positive: 157, positive conditional: 114, positive unconditional: 43, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2045, Positive cache size: 1981, Positive conditional cache size: 17, Positive unconditional cache size: 1964, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 148.6ms, 82 PlacesBefore, 77 PlacesAfterwards, 61 TransitionsBefore, 60 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 82 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 82, positive: 82, positive conditional: 82, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 82, positive: 82, positive conditional: 56, positive unconditional: 26, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82, positive: 82, positive conditional: 56, positive unconditional: 26, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 4, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 82, positive: 75, positive conditional: 52, positive unconditional: 23, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 4, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 2052, Positive cache size: 1988, Positive conditional cache size: 21, Positive unconditional cache size: 1967, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Eliminated conditions: 6 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int a = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L724] 0 int z = 0; [L725] 0 _Bool z$flush_delayed; [L726] 0 int z$mem_tmp; [L727] 0 _Bool z$r_buff0_thd0; [L728] 0 _Bool z$r_buff0_thd1; [L729] 0 _Bool z$r_buff0_thd2; [L730] 0 _Bool z$r_buff0_thd3; [L731] 0 _Bool z$r_buff0_thd4; [L732] 0 _Bool z$r_buff1_thd0; [L733] 0 _Bool z$r_buff1_thd1; [L734] 0 _Bool z$r_buff1_thd2; [L735] 0 _Bool z$r_buff1_thd3; [L736] 0 _Bool z$r_buff1_thd4; [L737] 0 _Bool z$read_delayed; [L738] 0 int *z$read_delayed_var; [L739] 0 int z$w_buff0; [L740] 0 _Bool z$w_buff0_used; [L741] 0 int z$w_buff1; [L742] 0 _Bool z$w_buff1_used; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice2; [L836] 0 pthread_t t1469; [L837] FCALL, FORK 0 pthread_create(&t1469, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L838] 0 pthread_t t1470; [L839] FCALL, FORK 0 pthread_create(&t1470, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t1471; [L841] FCALL, FORK 0 pthread_create(&t1471, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L842] 0 pthread_t t1472; [L843] FCALL, FORK 0 pthread_create(&t1472, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L798] 4 z$w_buff1 = z$w_buff0 [L799] 4 z$w_buff0 = 2 [L800] 4 z$w_buff1_used = z$w_buff0_used [L801] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L803] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L804] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L805] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L806] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L807] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L808] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L811] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L748] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L763] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, 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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L766] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, 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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L778] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, 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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L771] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L773] 2 return 0; [L781] 3 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, 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, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L784] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L784] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L784] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L784] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L785] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L785] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L786] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L786] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L787] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L787] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L788] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L791] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L793] 3 return 0; [L814] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L814] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L815] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L815] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L816] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L816] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L817] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L817] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L818] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L818] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L821] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L823] 4 return 0; [L845] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L849] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L849] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L850] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L851] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L852] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L852] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L853] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L853] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L856] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L857] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L858] 0 z$flush_delayed = weak$$choice2 [L859] 0 z$mem_tmp = z [L860] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L860] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L861] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L861] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L861] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L861] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L862] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L862] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L862] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L862] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L863] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L863] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L863] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L863] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L864] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L864] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L864] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L864] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L865] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L865] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L865] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L865] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L866] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L866] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L866] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L866] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L867] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 0) [L868] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L868] 0 z = z$flush_delayed ? z$mem_tmp : z [L869] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 112 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 21979.1ms, OverallIterations: 19, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2899.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6733.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 68 SDtfs, 51 SDslu, 31 SDs, 0 SdLazy, 455 SolverSat, 141 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 560.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 872.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=596occurred in iteration=16, InterpolantAutomatonStates: 91, 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: 55.7ms SsaConstructionTime, 544.4ms SatisfiabilityAnalysisTime, 1486.9ms InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 263 ConstructedInterpolants, 0 QuantifiedInterpolants, 2418 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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...