/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix043_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 21:01:39,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 21:01:39,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 21:01:39,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 21:01:39,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 21:01:39,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 21:01:39,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 21:01:39,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 21:01:39,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 21:01:39,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 21:01:39,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 21:01:39,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 21:01:39,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 21:01:39,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 21:01:39,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 21:01:39,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 21:01:39,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 21:01:39,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 21:01:39,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 21:01:39,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 21:01:39,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 21:01:39,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 21:01:39,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 21:01:39,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 21:01:39,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 21:01:39,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 21:01:39,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 21:01:39,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 21:01:39,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 21:01:39,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 21:01:39,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 21:01:39,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 21:01:39,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 21:01:39,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 21:01:39,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 21:01:39,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 21:01:39,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 21:01:39,607 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 21:01:39,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 21:01:39,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 21:01:39,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 21:01:39,610 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 21:01:39,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 21:01:39,610 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 21:01:39,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 21:01:39,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 21:01:39,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 21:01:39,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 21:01:39,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 21:01:39,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 21:01:39,612 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 21:01:39,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 21:01:39,613 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 21:01:39,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 21:01:39,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 21:01:39,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 21:01:39,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 21:01:39,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 21:01:39,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 21:01:39,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 21:01:39,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 21:01:39,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 21:01:39,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 21:01:39,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 21:01:39,616 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 21:01:39,616 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 21:01:39,616 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 21:01:39,616 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 21:01:39,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 21:01:39,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 21:01:39,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 21:01:39,997 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 21:01:39,999 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 21:01:40,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix043_power.opt.i [2021-04-28 21:01:40,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/418d75afc/6d81683122a542e990c410686c8a969b/FLAG41849b940 [2021-04-28 21:01:40,825 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 21:01:40,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix043_power.opt.i [2021-04-28 21:01:40,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/418d75afc/6d81683122a542e990c410686c8a969b/FLAG41849b940 [2021-04-28 21:01:41,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/418d75afc/6d81683122a542e990c410686c8a969b [2021-04-28 21:01:41,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 21:01:41,177 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 21:01:41,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 21:01:41,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 21:01:41,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 21:01:41,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:01:41" (1/1) ... [2021-04-28 21:01:41,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6b52a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:01:41, skipping insertion in model container [2021-04-28 21:01:41,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:01:41" (1/1) ... [2021-04-28 21:01:41,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 21:01:41,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 21:01:41,509 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/mix043_power.opt.i[950,963] [2021-04-28 21:01:41,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:01:41,821 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 21:01:41,836 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/mix043_power.opt.i[950,963] [2021-04-28 21:01:41,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:01:42,069 INFO L208 MainTranslator]: Completed translation [2021-04-28 21:01:42,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:01:42 WrapperNode [2021-04-28 21:01:42,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 21:01:42,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 21:01:42,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 21:01:42,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 21:01:42,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:01:42" (1/1) ... [2021-04-28 21:01:42,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:01:42" (1/1) ... [2021-04-28 21:01:42,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 21:01:42,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 21:01:42,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 21:01:42,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 21:01:42,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:01:42" (1/1) ... [2021-04-28 21:01:42,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:01:42" (1/1) ... [2021-04-28 21:01:42,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:01:42" (1/1) ... [2021-04-28 21:01:42,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:01:42" (1/1) ... [2021-04-28 21:01:42,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:01:42" (1/1) ... [2021-04-28 21:01:42,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:01:42" (1/1) ... [2021-04-28 21:01:42,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:01:42" (1/1) ... [2021-04-28 21:01:42,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 21:01:42,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 21:01:42,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 21:01:42,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 21:01:42,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:01:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 21:01:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 21:01:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 21:01:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 21:01:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 21:01:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 21:01:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 21:01:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 21:01:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 21:01:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 21:01:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 21:01:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 21:01:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 21:01:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 21:01:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 21:01:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 21:01:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 21:01:42,305 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 21:01:44,336 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 21:01:44,336 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 21:01:44,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:01:44 BoogieIcfgContainer [2021-04-28 21:01:44,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 21:01:44,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 21:01:44,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 21:01:44,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 21:01:44,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 09:01:41" (1/3) ... [2021-04-28 21:01:44,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1c827d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:01:44, skipping insertion in model container [2021-04-28 21:01:44,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:01:42" (2/3) ... [2021-04-28 21:01:44,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1c827d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:01:44, skipping insertion in model container [2021-04-28 21:01:44,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:01:44" (3/3) ... [2021-04-28 21:01:44,348 INFO L111 eAbstractionObserver]: Analyzing ICFG mix043_power.opt.i [2021-04-28 21:01:44,355 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 21:01:44,360 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 21:01:44,361 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 21:01:44,397 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,397 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,397 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,397 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,398 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,398 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,400 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,400 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,401 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,401 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,402 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,402 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,403 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,403 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,403 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,403 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,403 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,404 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,404 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,404 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,404 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,404 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,405 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,405 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,405 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,406 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,406 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,406 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,406 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,406 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,406 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,407 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,407 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,407 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,408 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,408 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,408 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,408 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,409 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,409 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,409 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,409 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,409 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,409 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,410 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,410 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,410 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,410 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,411 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,411 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,411 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,411 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,412 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,412 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,412 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,412 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,412 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,413 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,413 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,413 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,414 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,414 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,414 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,414 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,414 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,414 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,415 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,415 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,416 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,416 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,418 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,418 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,420 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,421 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,421 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,422 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,422 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,425 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,426 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,427 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:01:44,428 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 21:01:44,451 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 21:01:44,474 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 21:01:44,475 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 21:01:44,475 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 21:01:44,475 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 21:01:44,475 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 21:01:44,475 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 21:01:44,475 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 21:01:44,476 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 21:01:44,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 118 transitions, 256 flow [2021-04-28 21:01:44,541 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-04-28 21:01:44,541 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:01:44,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 21:01:44,546 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 118 transitions, 256 flow [2021-04-28 21:01:44,553 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 114 transitions, 240 flow [2021-04-28 21:01:44,554 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:01:44,569 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 240 flow [2021-04-28 21:01:44,573 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 240 flow [2021-04-28 21:01:44,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 240 flow [2021-04-28 21:01:44,603 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-04-28 21:01:44,603 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:01:44,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 21:01:44,609 INFO L146 LiptonReduction]: Number of co-enabled transitions 2598 [2021-04-28 21:01:45,043 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2021-04-28 21:01:46,558 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 21:01:47,029 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:01:49,188 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 21:01:50,161 WARN L205 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:01:53,395 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 21:01:53,505 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:01:54,046 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 21:01:54,254 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:01:55,345 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 21:01:56,431 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 21:01:56,912 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 21:01:57,969 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:01:58,988 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:01:59,488 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 21:02:00,000 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 21:02:01,126 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 271 [2021-04-28 21:02:02,162 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 271 [2021-04-28 21:02:02,655 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:02:03,158 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:02:05,267 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 267 DAG size of output: 266 [2021-04-28 21:02:06,325 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 21:02:07,247 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:02:07,373 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:02:07,602 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:02:07,826 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:02:08,858 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 21:02:09,414 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 21:02:10,523 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:02:11,670 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:02:12,228 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:02:12,848 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:02:14,013 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:02:15,124 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:02:15,666 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:02:16,209 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:02:17,401 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:02:18,567 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:02:19,140 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:02:19,720 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:02:20,920 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:02:22,165 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:02:25,705 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:02:26,288 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:02:27,480 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:02:28,683 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:02:29,285 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:02:29,867 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:02:32,270 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 267 DAG size of output: 266 [2021-04-28 21:02:33,480 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 21:02:34,122 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 21:02:34,752 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 21:02:36,050 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:02:37,337 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:02:40,450 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:02:40,555 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:02:40,760 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:02:41,450 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:02:41,562 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:02:41,690 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:02:41,809 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:02:42,478 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:02:42,580 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:02:43,011 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:02:43,115 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:02:43,223 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:02:43,333 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:02:45,218 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 21:02:49,498 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:02:49,616 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:02:49,743 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:02:49,865 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:02:49,968 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:02:50,074 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:02:50,752 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:02:50,882 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:02:51,014 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:02:51,148 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:02:51,319 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 21:02:51,450 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 21:02:51,582 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 21:02:51,714 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 21:02:54,616 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 21:02:54,754 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 21:02:54,898 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 21:02:55,043 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 21:02:56,723 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:02:56,923 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:02:57,110 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:02:57,293 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:02:57,449 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:02:57,606 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:02:57,761 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:02:57,915 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:02:58,055 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:02:58,194 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:02:58,336 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:02:58,483 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:02:58,646 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:02:58,808 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:02:58,973 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:02:59,136 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:02:59,289 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:02:59,445 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:02:59,601 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:02:59,763 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:02:59,945 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:03:00,125 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:03:00,303 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:03:00,491 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:03:00,979 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:03:01,111 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:03:01,243 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:03:01,372 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:03:01,540 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:03:01,707 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:03:01,883 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:03:02,063 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:03:02,229 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:03:02,395 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:03:02,563 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:03:02,730 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:03:02,879 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:03:03,028 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:03:03,180 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:03:03,328 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:03:03,471 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:03,577 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:03,711 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:03,829 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:03,956 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:04,080 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:04,191 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:04,295 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:04,483 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 21:03:04,667 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 21:03:04,838 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 21:03:05,005 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 21:03:05,114 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:05,228 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:05,342 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:05,456 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:05,956 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:03:06,061 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:03:06,166 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:03:06,270 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:03:06,396 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:06,510 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:06,625 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:06,740 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:03:08,077 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:03:08,192 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:03:08,300 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:03:08,409 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:03:08,586 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 21:03:08,762 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 21:03:08,942 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 21:03:09,136 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 21:03:09,328 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:03:09,519 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:03:09,718 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:03:09,917 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:03:10,055 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:03:10,192 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:03:10,330 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:03:10,463 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:03:10,999 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:03:11,184 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:03:11,374 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:03:11,566 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:03:11,721 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:03:11,871 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:03:12,019 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:03:12,166 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:03:12,334 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:03:12,514 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:03:12,678 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:03:12,844 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:03:13,528 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 21:03:13,849 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 21:03:14,525 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 21:03:14,837 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 21:03:15,099 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:15,354 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:15,626 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:15,884 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:16,117 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:03:16,352 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:03:16,630 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:03:16,898 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:03:17,567 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 21:03:17,859 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 21:03:18,506 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 21:03:18,803 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 21:03:19,075 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:19,337 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:19,590 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:19,841 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:19,984 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:03:20,123 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:03:20,258 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:03:20,391 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:03:20,975 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:03:21,196 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:03:21,417 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:03:21,634 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:03:21,882 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:03:22,126 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:03:22,395 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:03:22,643 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:03:22,916 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:23,177 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:23,433 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:23,697 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:24,030 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:24,302 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:24,547 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:24,794 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 21:03:25,041 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:03:25,291 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:03:25,550 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:03:25,794 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:03:26,008 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:03:26,222 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:03:26,450 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:03:26,678 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:03:26,923 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:03:27,164 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:03:27,407 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:03:27,655 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:03:27,711 INFO L158 LiptonReduction]: Checked pairs total: 28907 [2021-04-28 21:03:27,711 INFO L160 LiptonReduction]: Total number of compositions: 303 [2021-04-28 21:03:27,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103164 [2021-04-28 21:03:27,745 INFO L129 PetriNetUnfolder]: 1/95 cut-off events. [2021-04-28 21:03:27,745 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:03:27,745 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:03:27,746 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:03:27,747 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:03:27,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:03:27,752 INFO L82 PathProgramCache]: Analyzing trace with hash 902004004, now seen corresponding path program 1 times [2021-04-28 21:03:27,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:03:27,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087291503] [2021-04-28 21:03:27,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:03:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:03:28,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:28,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:28,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:03:28,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087291503] [2021-04-28 21:03:28,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:03:28,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:03:28,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364780241] [2021-04-28 21:03:28,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:03:28,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:03:28,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:03:28,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:03:28,095 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 421 [2021-04-28 21:03:28,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 150 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:28,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:03:28,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 421 [2021-04-28 21:03:28,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:03:28,559 INFO L129 PetriNetUnfolder]: 199/599 cut-off events. [2021-04-28 21:03:28,559 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:03:28,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 599 events. 199/599 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 4338 event pairs, 45 based on Foata normal form. 10/206 useless extension candidates. Maximal degree in co-relation 900. Up to 313 conditions per place. [2021-04-28 21:03:28,568 INFO L132 encePairwiseOnDemand]: 404/421 looper letters, 7 selfloop transitions, 4 changer transitions 105/161 dead transitions. [2021-04-28 21:03:28,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 161 transitions, 426 flow [2021-04-28 21:03:28,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:03:28,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:03:28,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1034 transitions. [2021-04-28 21:03:28,596 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8186856690419636 [2021-04-28 21:03:28,597 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1034 transitions. [2021-04-28 21:03:28,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1034 transitions. [2021-04-28 21:03:28,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:03:28,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1034 transitions. [2021-04-28 21:03:28,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 344.6666666666667) internal successors, (1034), 3 states have internal predecessors, (1034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:28,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:28,625 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:28,627 INFO L185 Difference]: Start difference. First operand has 161 places, 150 transitions, 312 flow. Second operand 3 states and 1034 transitions. [2021-04-28 21:03:28,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 161 transitions, 426 flow [2021-04-28 21:03:28,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 161 transitions, 422 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 21:03:28,635 INFO L241 Difference]: Finished difference. Result has 156 places, 53 transitions, 122 flow [2021-04-28 21:03:28,638 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=421, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=156, PETRI_TRANSITIONS=53} [2021-04-28 21:03:28,639 INFO L343 CegarLoopForPetriNet]: 161 programPoint places, -5 predicate places. [2021-04-28 21:03:28,639 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:03:28,639 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 53 transitions, 122 flow [2021-04-28 21:03:28,640 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 53 transitions, 122 flow [2021-04-28 21:03:28,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 53 transitions, 122 flow [2021-04-28 21:03:28,654 INFO L129 PetriNetUnfolder]: 0/53 cut-off events. [2021-04-28 21:03:28,654 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:03:28,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 53 events. 0/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 198 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 21:03:28,656 INFO L146 LiptonReduction]: Number of co-enabled transitions 1696 [2021-04-28 21:03:29,068 INFO L158 LiptonReduction]: Checked pairs total: 1570 [2021-04-28 21:03:29,068 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:03:29,068 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 429 [2021-04-28 21:03:29,070 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 53 transitions, 122 flow [2021-04-28 21:03:29,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:29,071 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:03:29,071 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:03:29,072 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 21:03:29,072 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:03:29,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:03:29,072 INFO L82 PathProgramCache]: Analyzing trace with hash -757479755, now seen corresponding path program 1 times [2021-04-28 21:03:29,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:03:29,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906919419] [2021-04-28 21:03:29,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:03:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:03:29,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:29,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:29,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:03:29,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906919419] [2021-04-28 21:03:29,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:03:29,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:03:29,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349123259] [2021-04-28 21:03:29,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:03:29,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:03:29,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:03:29,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:03:29,256 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 421 [2021-04-28 21:03:29,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 53 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:29,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:03:29,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 421 [2021-04-28 21:03:29,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:03:29,282 INFO L129 PetriNetUnfolder]: 0/53 cut-off events. [2021-04-28 21:03:29,282 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:03:29,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 53 events. 0/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 185 event pairs, 0 based on Foata normal form. 1/28 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 21:03:29,283 INFO L132 encePairwiseOnDemand]: 418/421 looper letters, 1 selfloop transitions, 2 changer transitions 16/53 dead transitions. [2021-04-28 21:03:29,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 53 transitions, 128 flow [2021-04-28 21:03:29,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:03:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:03:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 907 transitions. [2021-04-28 21:03:29,288 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7181314330958036 [2021-04-28 21:03:29,288 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 907 transitions. [2021-04-28 21:03:29,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 907 transitions. [2021-04-28 21:03:29,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:03:29,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 907 transitions. [2021-04-28 21:03:29,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:29,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:29,296 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:29,296 INFO L185 Difference]: Start difference. First operand has 64 places, 53 transitions, 122 flow. Second operand 3 states and 907 transitions. [2021-04-28 21:03:29,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 53 transitions, 128 flow [2021-04-28 21:03:29,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 53 transitions, 120 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:03:29,299 INFO L241 Difference]: Finished difference. Result has 65 places, 37 transitions, 90 flow [2021-04-28 21:03:29,299 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=421, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=65, PETRI_TRANSITIONS=37} [2021-04-28 21:03:29,299 INFO L343 CegarLoopForPetriNet]: 161 programPoint places, -96 predicate places. [2021-04-28 21:03:29,299 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:03:29,300 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 37 transitions, 90 flow [2021-04-28 21:03:29,300 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 37 transitions, 90 flow [2021-04-28 21:03:29,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 37 transitions, 90 flow [2021-04-28 21:03:29,309 INFO L129 PetriNetUnfolder]: 0/37 cut-off events. [2021-04-28 21:03:29,309 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:03:29,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 37 events. 0/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 83 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 21:03:29,311 INFO L146 LiptonReduction]: Number of co-enabled transitions 806 [2021-04-28 21:03:29,751 INFO L158 LiptonReduction]: Checked pairs total: 1926 [2021-04-28 21:03:29,751 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 21:03:29,751 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 452 [2021-04-28 21:03:29,753 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 37 transitions, 90 flow [2021-04-28 21:03:29,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:29,754 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:03:29,754 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:03:29,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 21:03:29,754 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:03:29,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:03:29,755 INFO L82 PathProgramCache]: Analyzing trace with hash -2121917386, now seen corresponding path program 1 times [2021-04-28 21:03:29,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:03:29,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531414588] [2021-04-28 21:03:29,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:03:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:03:29,877 INFO L142 QuantifierPusher]: treesize reduction 10, result has 52.4 percent of original size [2021-04-28 21:03:29,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 21:03:29,895 INFO L142 QuantifierPusher]: treesize reduction 20, result has 70.6 percent of original size [2021-04-28 21:03:29,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-28 21:03:29,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:29,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 21:03:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:03:29,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531414588] [2021-04-28 21:03:29,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:03:29,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:03:29,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788580650] [2021-04-28 21:03:29,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:03:29,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:03:29,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:03:29,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:03:29,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 422 [2021-04-28 21:03:29,962 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 37 transitions, 90 flow. Second operand has 5 states, 5 states have (on average 237.8) internal successors, (1189), 5 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:29,962 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:03:29,962 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 422 [2021-04-28 21:03:29,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:03:30,112 INFO L129 PetriNetUnfolder]: 26/119 cut-off events. [2021-04-28 21:03:30,112 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-04-28 21:03:30,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 119 events. 26/119 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 513 event pairs, 2 based on Foata normal form. 3/86 useless extension candidates. Maximal degree in co-relation 196. Up to 29 conditions per place. [2021-04-28 21:03:30,116 INFO L132 encePairwiseOnDemand]: 416/422 looper letters, 10 selfloop transitions, 4 changer transitions 1/44 dead transitions. [2021-04-28 21:03:30,116 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 44 transitions, 134 flow [2021-04-28 21:03:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:03:30,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:03:30,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 964 transitions. [2021-04-28 21:03:30,122 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5710900473933649 [2021-04-28 21:03:30,122 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 964 transitions. [2021-04-28 21:03:30,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 964 transitions. [2021-04-28 21:03:30,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:03:30,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 964 transitions. [2021-04-28 21:03:30,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:30,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 422.0) internal successors, (2110), 5 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:30,131 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 422.0) internal successors, (2110), 5 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:30,131 INFO L185 Difference]: Start difference. First operand has 49 places, 37 transitions, 90 flow. Second operand 4 states and 964 transitions. [2021-04-28 21:03:30,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 44 transitions, 134 flow [2021-04-28 21:03:30,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 44 transitions, 130 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:03:30,135 INFO L241 Difference]: Finished difference. Result has 51 places, 38 transitions, 105 flow [2021-04-28 21:03:30,135 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=422, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=105, PETRI_PLACES=51, PETRI_TRANSITIONS=38} [2021-04-28 21:03:30,135 INFO L343 CegarLoopForPetriNet]: 161 programPoint places, -110 predicate places. [2021-04-28 21:03:30,136 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:03:30,136 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 38 transitions, 105 flow [2021-04-28 21:03:30,137 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 38 transitions, 105 flow [2021-04-28 21:03:30,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 38 transitions, 105 flow [2021-04-28 21:03:30,150 INFO L129 PetriNetUnfolder]: 4/52 cut-off events. [2021-04-28 21:03:30,150 INFO L130 PetriNetUnfolder]: For 5/7 co-relation queries the response was YES. [2021-04-28 21:03:30,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 52 events. 4/52 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 150 event pairs, 1 based on Foata normal form. 1/38 useless extension candidates. Maximal degree in co-relation 77. Up to 12 conditions per place. [2021-04-28 21:03:30,152 INFO L146 LiptonReduction]: Number of co-enabled transitions 818 [2021-04-28 21:03:30,322 INFO L158 LiptonReduction]: Checked pairs total: 681 [2021-04-28 21:03:30,322 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:03:30,323 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 187 [2021-04-28 21:03:30,325 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 38 transitions, 105 flow [2021-04-28 21:03:30,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 237.8) internal successors, (1189), 5 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:30,326 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:03:30,326 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:03:30,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 21:03:30,326 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:03:30,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:03:30,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1408930534, now seen corresponding path program 1 times [2021-04-28 21:03:30,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:03:30,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453431770] [2021-04-28 21:03:30,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:03:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:03:30,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:30,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:30,424 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 21:03:30,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 21:03:30,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:30,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:03:30,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:03:30,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453431770] [2021-04-28 21:03:30,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:03:30,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:03:30,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627309803] [2021-04-28 21:03:30,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:03:30,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:03:30,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:03:30,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:03:30,449 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 422 [2021-04-28 21:03:30,451 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 38 transitions, 105 flow. Second operand has 4 states, 4 states have (on average 249.75) internal successors, (999), 4 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:30,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:03:30,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 422 [2021-04-28 21:03:30,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:03:31,343 INFO L129 PetriNetUnfolder]: 3422/5233 cut-off events. [2021-04-28 21:03:31,344 INFO L130 PetriNetUnfolder]: For 383/530 co-relation queries the response was YES. [2021-04-28 21:03:31,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10848 conditions, 5233 events. 3422/5233 cut-off events. For 383/530 co-relation queries the response was YES. Maximal size of possible extension queue 915. Compared 38556 event pairs, 712 based on Foata normal form. 352/2717 useless extension candidates. Maximal degree in co-relation 10837. Up to 2683 conditions per place. [2021-04-28 21:03:31,400 INFO L132 encePairwiseOnDemand]: 407/422 looper letters, 26 selfloop transitions, 14 changer transitions 0/63 dead transitions. [2021-04-28 21:03:31,400 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 63 transitions, 235 flow [2021-04-28 21:03:31,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:03:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:03:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1038 transitions. [2021-04-28 21:03:31,407 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6149289099526066 [2021-04-28 21:03:31,407 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1038 transitions. [2021-04-28 21:03:31,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1038 transitions. [2021-04-28 21:03:31,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:03:31,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1038 transitions. [2021-04-28 21:03:31,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 259.5) internal successors, (1038), 4 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:31,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 422.0) internal successors, (2110), 5 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:31,418 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 422.0) internal successors, (2110), 5 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:31,418 INFO L185 Difference]: Start difference. First operand has 50 places, 38 transitions, 105 flow. Second operand 4 states and 1038 transitions. [2021-04-28 21:03:31,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 63 transitions, 235 flow [2021-04-28 21:03:31,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 63 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:03:31,424 INFO L241 Difference]: Finished difference. Result has 53 places, 51 transitions, 210 flow [2021-04-28 21:03:31,424 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=422, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=210, PETRI_PLACES=53, PETRI_TRANSITIONS=51} [2021-04-28 21:03:31,425 INFO L343 CegarLoopForPetriNet]: 161 programPoint places, -108 predicate places. [2021-04-28 21:03:31,425 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:03:31,425 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 51 transitions, 210 flow [2021-04-28 21:03:31,425 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 51 transitions, 210 flow [2021-04-28 21:03:31,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 51 transitions, 210 flow [2021-04-28 21:03:31,883 INFO L129 PetriNetUnfolder]: 2588/3955 cut-off events. [2021-04-28 21:03:31,883 INFO L130 PetriNetUnfolder]: For 456/512 co-relation queries the response was YES. [2021-04-28 21:03:31,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8439 conditions, 3955 events. 2588/3955 cut-off events. For 456/512 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 28076 event pairs, 1428 based on Foata normal form. 3/1517 useless extension candidates. Maximal degree in co-relation 8428. Up to 3718 conditions per place. [2021-04-28 21:03:31,955 INFO L146 LiptonReduction]: Number of co-enabled transitions 1040 [2021-04-28 21:03:32,016 INFO L158 LiptonReduction]: Checked pairs total: 820 [2021-04-28 21:03:32,017 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:03:32,017 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 592 [2021-04-28 21:03:32,018 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 51 transitions, 210 flow [2021-04-28 21:03:32,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 249.75) internal successors, (999), 4 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:32,019 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:03:32,020 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:03:32,020 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 21:03:32,020 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:03:32,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:03:32,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1977598769, now seen corresponding path program 1 times [2021-04-28 21:03:32,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:03:32,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503803762] [2021-04-28 21:03:32,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:03:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:03:32,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:32,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:32,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:32,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:32,173 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 21:03:32,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 21:03:32,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:32,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:03:32,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:03:32,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503803762] [2021-04-28 21:03:32,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:03:32,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:03:32,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096102332] [2021-04-28 21:03:32,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:03:32,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:03:32,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:03:32,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:03:32,220 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 422 [2021-04-28 21:03:32,222 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 51 transitions, 210 flow. Second operand has 5 states, 5 states have (on average 249.8) internal successors, (1249), 5 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:32,223 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:03:32,223 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 422 [2021-04-28 21:03:32,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:03:33,269 INFO L129 PetriNetUnfolder]: 3701/5797 cut-off events. [2021-04-28 21:03:33,269 INFO L130 PetriNetUnfolder]: For 1489/5857 co-relation queries the response was YES. [2021-04-28 21:03:33,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17976 conditions, 5797 events. 3701/5797 cut-off events. For 1489/5857 co-relation queries the response was YES. Maximal size of possible extension queue 1032. Compared 42364 event pairs, 298 based on Foata normal form. 366/2881 useless extension candidates. Maximal degree in co-relation 17963. Up to 4960 conditions per place. [2021-04-28 21:03:33,340 INFO L132 encePairwiseOnDemand]: 407/422 looper letters, 27 selfloop transitions, 26 changer transitions 0/76 dead transitions. [2021-04-28 21:03:33,340 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 76 transitions, 417 flow [2021-04-28 21:03:33,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:03:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:03:33,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1300 transitions. [2021-04-28 21:03:33,346 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6161137440758294 [2021-04-28 21:03:33,347 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1300 transitions. [2021-04-28 21:03:33,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1300 transitions. [2021-04-28 21:03:33,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:03:33,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1300 transitions. [2021-04-28 21:03:33,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 260.0) internal successors, (1300), 5 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:33,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 422.0) internal successors, (2532), 6 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:33,360 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 422.0) internal successors, (2532), 6 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:33,360 INFO L185 Difference]: Start difference. First operand has 53 places, 51 transitions, 210 flow. Second operand 5 states and 1300 transitions. [2021-04-28 21:03:33,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 76 transitions, 417 flow [2021-04-28 21:03:33,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 76 transitions, 414 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:03:33,371 INFO L241 Difference]: Finished difference. Result has 58 places, 64 transitions, 379 flow [2021-04-28 21:03:33,371 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=422, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=379, PETRI_PLACES=58, PETRI_TRANSITIONS=64} [2021-04-28 21:03:33,371 INFO L343 CegarLoopForPetriNet]: 161 programPoint places, -103 predicate places. [2021-04-28 21:03:33,371 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:03:33,371 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 64 transitions, 379 flow [2021-04-28 21:03:33,372 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 64 transitions, 379 flow [2021-04-28 21:03:33,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 64 transitions, 379 flow [2021-04-28 21:03:34,037 INFO L129 PetriNetUnfolder]: 3053/4858 cut-off events. [2021-04-28 21:03:34,038 INFO L130 PetriNetUnfolder]: For 1902/3730 co-relation queries the response was YES. [2021-04-28 21:03:34,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15795 conditions, 4858 events. 3053/4858 cut-off events. For 1902/3730 co-relation queries the response was YES. Maximal size of possible extension queue 756. Compared 36465 event pairs, 669 based on Foata normal form. 32/1907 useless extension candidates. Maximal degree in co-relation 15781. Up to 4447 conditions per place. [2021-04-28 21:03:34,126 INFO L146 LiptonReduction]: Number of co-enabled transitions 1358 [2021-04-28 21:03:34,161 INFO L158 LiptonReduction]: Checked pairs total: 1334 [2021-04-28 21:03:34,162 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:03:34,162 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 791 [2021-04-28 21:03:34,164 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 379 flow [2021-04-28 21:03:34,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 249.8) internal successors, (1249), 5 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:34,165 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:03:34,165 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:03:34,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 21:03:34,166 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:03:34,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:03:34,176 INFO L82 PathProgramCache]: Analyzing trace with hash 679581777, now seen corresponding path program 1 times [2021-04-28 21:03:34,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:03:34,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969070979] [2021-04-28 21:03:34,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:03:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:03:34,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:34,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:34,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:34,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:34,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:34,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:34,350 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 21:03:34,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 21:03:34,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:34,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:03:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:03:34,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969070979] [2021-04-28 21:03:34,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:03:34,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:03:34,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466029981] [2021-04-28 21:03:34,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:03:34,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:03:34,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:03:34,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:03:34,385 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 422 [2021-04-28 21:03:34,387 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 64 transitions, 379 flow. Second operand has 6 states, 6 states have (on average 249.83333333333334) internal successors, (1499), 6 states have internal predecessors, (1499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:34,387 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:03:34,387 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 422 [2021-04-28 21:03:34,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:03:35,323 INFO L129 PetriNetUnfolder]: 3242/5383 cut-off events. [2021-04-28 21:03:35,324 INFO L130 PetriNetUnfolder]: For 3831/12813 co-relation queries the response was YES. [2021-04-28 21:03:35,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22524 conditions, 5383 events. 3242/5383 cut-off events. For 3831/12813 co-relation queries the response was YES. Maximal size of possible extension queue 936. Compared 39667 event pairs, 28 based on Foata normal form. 361/2606 useless extension candidates. Maximal degree in co-relation 22508. Up to 4708 conditions per place. [2021-04-28 21:03:35,384 INFO L132 encePairwiseOnDemand]: 407/422 looper letters, 28 selfloop transitions, 38 changer transitions 0/89 dead transitions. [2021-04-28 21:03:35,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 89 transitions, 662 flow [2021-04-28 21:03:35,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 21:03:35,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 21:03:35,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1562 transitions. [2021-04-28 21:03:35,391 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6169036334913112 [2021-04-28 21:03:35,391 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1562 transitions. [2021-04-28 21:03:35,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1562 transitions. [2021-04-28 21:03:35,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:03:35,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1562 transitions. [2021-04-28 21:03:35,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 260.3333333333333) internal successors, (1562), 6 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:35,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 422.0) internal successors, (2954), 7 states have internal predecessors, (2954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:35,403 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 422.0) internal successors, (2954), 7 states have internal predecessors, (2954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:35,403 INFO L185 Difference]: Start difference. First operand has 58 places, 64 transitions, 379 flow. Second operand 6 states and 1562 transitions. [2021-04-28 21:03:35,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 89 transitions, 662 flow [2021-04-28 21:03:35,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 89 transitions, 622 flow, removed 12 selfloop flow, removed 2 redundant places. [2021-04-28 21:03:35,413 INFO L241 Difference]: Finished difference. Result has 63 places, 77 transitions, 561 flow [2021-04-28 21:03:35,413 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=422, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=561, PETRI_PLACES=63, PETRI_TRANSITIONS=77} [2021-04-28 21:03:35,414 INFO L343 CegarLoopForPetriNet]: 161 programPoint places, -98 predicate places. [2021-04-28 21:03:35,414 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:03:35,414 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 77 transitions, 561 flow [2021-04-28 21:03:35,414 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 77 transitions, 561 flow [2021-04-28 21:03:35,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 77 transitions, 561 flow [2021-04-28 21:03:36,043 INFO L129 PetriNetUnfolder]: 2918/4978 cut-off events. [2021-04-28 21:03:36,043 INFO L130 PetriNetUnfolder]: For 5769/7295 co-relation queries the response was YES. [2021-04-28 21:03:36,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22442 conditions, 4978 events. 2918/4978 cut-off events. For 5769/7295 co-relation queries the response was YES. Maximal size of possible extension queue 720. Compared 39128 event pairs, 108 based on Foata normal form. 32/2031 useless extension candidates. Maximal degree in co-relation 22426. Up to 4429 conditions per place. [2021-04-28 21:03:36,127 INFO L146 LiptonReduction]: Number of co-enabled transitions 1384 [2021-04-28 21:03:36,144 INFO L158 LiptonReduction]: Checked pairs total: 1662 [2021-04-28 21:03:36,144 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:03:36,145 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 731 [2021-04-28 21:03:36,149 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 77 transitions, 561 flow [2021-04-28 21:03:36,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 249.83333333333334) internal successors, (1499), 6 states have internal predecessors, (1499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:36,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:03:36,150 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] [2021-04-28 21:03:36,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 21:03:36,150 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:03:36,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:03:36,151 INFO L82 PathProgramCache]: Analyzing trace with hash 603855816, now seen corresponding path program 1 times [2021-04-28 21:03:36,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:03:36,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332820822] [2021-04-28 21:03:36,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:03:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:03:36,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:36,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:36,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:36,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:36,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:36,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:36,331 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-04-28 21:03:36,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:03:36,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:36,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:36,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:36,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:03:36,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:03:36,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332820822] [2021-04-28 21:03:36,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:03:36,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 21:03:36,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285395677] [2021-04-28 21:03:36,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:03:36,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:03:36,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:03:36,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:03:36,358 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 422 [2021-04-28 21:03:36,360 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 77 transitions, 561 flow. Second operand has 7 states, 7 states have (on average 249.85714285714286) internal successors, (1749), 7 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:36,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:03:36,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 422 [2021-04-28 21:03:36,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:03:37,204 INFO L129 PetriNetUnfolder]: 2783/4681 cut-off events. [2021-04-28 21:03:37,205 INFO L130 PetriNetUnfolder]: For 7341/17913 co-relation queries the response was YES. [2021-04-28 21:03:37,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25613 conditions, 4681 events. 2783/4681 cut-off events. For 7341/17913 co-relation queries the response was YES. Maximal size of possible extension queue 885. Compared 33717 event pairs, 1 based on Foata normal form. 280/2039 useless extension candidates. Maximal degree in co-relation 25595. Up to 4186 conditions per place. [2021-04-28 21:03:37,251 INFO L132 encePairwiseOnDemand]: 407/422 looper letters, 5 selfloop transitions, 50 changer transitions 0/78 dead transitions. [2021-04-28 21:03:37,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 78 transitions, 680 flow [2021-04-28 21:03:37,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 21:03:37,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 21:03:37,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1800 transitions. [2021-04-28 21:03:37,259 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6093432633716994 [2021-04-28 21:03:37,259 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1800 transitions. [2021-04-28 21:03:37,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1800 transitions. [2021-04-28 21:03:37,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:03:37,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1800 transitions. [2021-04-28 21:03:37,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 257.14285714285717) internal successors, (1800), 7 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:37,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 422.0) internal successors, (3376), 8 states have internal predecessors, (3376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:37,272 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 422.0) internal successors, (3376), 8 states have internal predecessors, (3376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:37,273 INFO L185 Difference]: Start difference. First operand has 63 places, 77 transitions, 561 flow. Second operand 7 states and 1800 transitions. [2021-04-28 21:03:37,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 78 transitions, 680 flow [2021-04-28 21:03:37,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 78 transitions, 586 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-04-28 21:03:37,329 INFO L241 Difference]: Finished difference. Result has 67 places, 78 transitions, 619 flow [2021-04-28 21:03:37,329 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=422, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=619, PETRI_PLACES=67, PETRI_TRANSITIONS=78} [2021-04-28 21:03:37,329 INFO L343 CegarLoopForPetriNet]: 161 programPoint places, -94 predicate places. [2021-04-28 21:03:37,329 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:03:37,330 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 78 transitions, 619 flow [2021-04-28 21:03:37,330 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 78 transitions, 619 flow [2021-04-28 21:03:37,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 78 transitions, 619 flow [2021-04-28 21:03:37,866 INFO L129 PetriNetUnfolder]: 2783/4681 cut-off events. [2021-04-28 21:03:37,866 INFO L130 PetriNetUnfolder]: For 9708/10605 co-relation queries the response was YES. [2021-04-28 21:03:37,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22954 conditions, 4681 events. 2783/4681 cut-off events. For 9708/10605 co-relation queries the response was YES. Maximal size of possible extension queue 720. Compared 35694 event pairs, 0 based on Foata normal form. 0/1783 useless extension candidates. Maximal degree in co-relation 22937. Up to 3646 conditions per place. [2021-04-28 21:03:37,944 INFO L146 LiptonReduction]: Number of co-enabled transitions 1288 [2021-04-28 21:03:37,965 INFO L158 LiptonReduction]: Checked pairs total: 1635 [2021-04-28 21:03:37,965 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:03:37,965 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 636 [2021-04-28 21:03:37,967 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 78 transitions, 619 flow [2021-04-28 21:03:37,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 249.85714285714286) internal successors, (1749), 7 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:37,968 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:03:37,968 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] [2021-04-28 21:03:37,968 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 21:03:37,968 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:03:37,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:03:37,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1278944503, now seen corresponding path program 1 times [2021-04-28 21:03:37,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:03:37,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216305205] [2021-04-28 21:03:37,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:03:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:03:38,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:38,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:03:38,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:38,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:38,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:38,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:38,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:03:38,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216305205] [2021-04-28 21:03:38,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:03:38,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:03:38,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079593663] [2021-04-28 21:03:38,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:03:38,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:03:38,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:03:38,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:03:38,076 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 422 [2021-04-28 21:03:38,077 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 78 transitions, 619 flow. Second operand has 4 states, 4 states have (on average 264.0) internal successors, (1056), 4 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:38,078 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:03:38,078 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 422 [2021-04-28 21:03:38,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:03:39,139 INFO L129 PetriNetUnfolder]: 5539/9182 cut-off events. [2021-04-28 21:03:39,139 INFO L130 PetriNetUnfolder]: For 28592/42119 co-relation queries the response was YES. [2021-04-28 21:03:39,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45488 conditions, 9182 events. 5539/9182 cut-off events. For 28592/42119 co-relation queries the response was YES. Maximal size of possible extension queue 1899. Compared 73079 event pairs, 2 based on Foata normal form. 81/3363 useless extension candidates. Maximal degree in co-relation 45469. Up to 7291 conditions per place. [2021-04-28 21:03:39,211 INFO L132 encePairwiseOnDemand]: 419/422 looper letters, 3 selfloop transitions, 2 changer transitions 0/79 dead transitions. [2021-04-28 21:03:39,211 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 79 transitions, 631 flow [2021-04-28 21:03:39,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:03:39,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:03:39,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1058 transitions. [2021-04-28 21:03:39,217 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6267772511848341 [2021-04-28 21:03:39,217 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1058 transitions. [2021-04-28 21:03:39,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1058 transitions. [2021-04-28 21:03:39,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:03:39,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1058 transitions. [2021-04-28 21:03:39,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 264.5) internal successors, (1058), 4 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:39,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 422.0) internal successors, (2110), 5 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:39,225 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 422.0) internal successors, (2110), 5 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:39,225 INFO L185 Difference]: Start difference. First operand has 67 places, 78 transitions, 619 flow. Second operand 4 states and 1058 transitions. [2021-04-28 21:03:39,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 79 transitions, 631 flow [2021-04-28 21:03:40,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 79 transitions, 496 flow, removed 36 selfloop flow, removed 4 redundant places. [2021-04-28 21:03:40,053 INFO L241 Difference]: Finished difference. Result has 68 places, 79 transitions, 497 flow [2021-04-28 21:03:40,053 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=422, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=497, PETRI_PLACES=68, PETRI_TRANSITIONS=79} [2021-04-28 21:03:40,053 INFO L343 CegarLoopForPetriNet]: 161 programPoint places, -93 predicate places. [2021-04-28 21:03:40,054 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:03:40,054 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 79 transitions, 497 flow [2021-04-28 21:03:40,054 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 79 transitions, 497 flow [2021-04-28 21:03:40,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 79 transitions, 497 flow [2021-04-28 21:03:40,696 INFO L129 PetriNetUnfolder]: 5539/9182 cut-off events. [2021-04-28 21:03:40,697 INFO L130 PetriNetUnfolder]: For 10404/11115 co-relation queries the response was YES. [2021-04-28 21:03:40,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34520 conditions, 9182 events. 5539/9182 cut-off events. For 10404/11115 co-relation queries the response was YES. Maximal size of possible extension queue 1433. Compared 76888 event pairs, 0 based on Foata normal form. 0/3382 useless extension candidates. Maximal degree in co-relation 34502. Up to 4051 conditions per place. [2021-04-28 21:03:40,819 INFO L146 LiptonReduction]: Number of co-enabled transitions 1332 [2021-04-28 21:03:40,848 INFO L158 LiptonReduction]: Checked pairs total: 1046 [2021-04-28 21:03:40,849 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:03:40,849 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 795 [2021-04-28 21:03:40,850 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 79 transitions, 497 flow [2021-04-28 21:03:40,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 264.0) internal successors, (1056), 4 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:40,851 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:03:40,851 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] [2021-04-28 21:03:40,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 21:03:40,852 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:03:40,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:03:40,852 INFO L82 PathProgramCache]: Analyzing trace with hash -736256782, now seen corresponding path program 1 times [2021-04-28 21:03:40,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:03:40,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930283245] [2021-04-28 21:03:40,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:03:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:03:40,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:40,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:03:40,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:40,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:40,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:40,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:40,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:03:40,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930283245] [2021-04-28 21:03:40,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:03:40,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:03:40,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548676701] [2021-04-28 21:03:40,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:03:40,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:03:40,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:03:40,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:03:40,928 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 422 [2021-04-28 21:03:40,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 79 transitions, 497 flow. Second operand has 4 states, 4 states have (on average 260.0) internal successors, (1040), 4 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:40,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:03:40,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 422 [2021-04-28 21:03:40,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:03:42,227 INFO L129 PetriNetUnfolder]: 11049/18159 cut-off events. [2021-04-28 21:03:42,227 INFO L130 PetriNetUnfolder]: For 20712/27777 co-relation queries the response was YES. [2021-04-28 21:03:42,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68524 conditions, 18159 events. 11049/18159 cut-off events. For 20712/27777 co-relation queries the response was YES. Maximal size of possible extension queue 3813. Compared 156872 event pairs, 3 based on Foata normal form. 81/6343 useless extension candidates. Maximal degree in co-relation 68504. Up to 8101 conditions per place. [2021-04-28 21:03:42,514 INFO L132 encePairwiseOnDemand]: 419/422 looper letters, 3 selfloop transitions, 2 changer transitions 0/80 dead transitions. [2021-04-28 21:03:42,515 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 80 transitions, 509 flow [2021-04-28 21:03:42,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:03:42,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:03:42,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1042 transitions. [2021-04-28 21:03:42,521 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6172985781990521 [2021-04-28 21:03:42,521 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1042 transitions. [2021-04-28 21:03:42,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1042 transitions. [2021-04-28 21:03:42,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:03:42,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1042 transitions. [2021-04-28 21:03:42,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 260.5) internal successors, (1042), 4 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:42,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 422.0) internal successors, (2110), 5 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:42,530 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 422.0) internal successors, (2110), 5 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:42,530 INFO L185 Difference]: Start difference. First operand has 68 places, 79 transitions, 497 flow. Second operand 4 states and 1042 transitions. [2021-04-28 21:03:42,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 80 transitions, 509 flow [2021-04-28 21:03:45,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 80 transitions, 508 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:03:45,167 INFO L241 Difference]: Finished difference. Result has 72 places, 80 transitions, 509 flow [2021-04-28 21:03:45,168 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=422, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=509, PETRI_PLACES=72, PETRI_TRANSITIONS=80} [2021-04-28 21:03:45,168 INFO L343 CegarLoopForPetriNet]: 161 programPoint places, -89 predicate places. [2021-04-28 21:03:45,168 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:03:45,168 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 80 transitions, 509 flow [2021-04-28 21:03:45,169 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 80 transitions, 509 flow [2021-04-28 21:03:45,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 80 transitions, 509 flow [2021-04-28 21:03:46,440 INFO L129 PetriNetUnfolder]: 11049/18159 cut-off events. [2021-04-28 21:03:46,441 INFO L130 PetriNetUnfolder]: For 20738/22769 co-relation queries the response was YES. [2021-04-28 21:03:46,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68525 conditions, 18159 events. 11049/18159 cut-off events. For 20738/22769 co-relation queries the response was YES. Maximal size of possible extension queue 2952. Compared 167720 event pairs, 0 based on Foata normal form. 0/6463 useless extension candidates. Maximal degree in co-relation 68505. Up to 8101 conditions per place. [2021-04-28 21:03:46,860 INFO L146 LiptonReduction]: Number of co-enabled transitions 1386 [2021-04-28 21:03:46,876 INFO L158 LiptonReduction]: Checked pairs total: 358 [2021-04-28 21:03:46,877 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:03:46,877 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1709 [2021-04-28 21:03:46,878 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 80 transitions, 509 flow [2021-04-28 21:03:46,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 260.0) internal successors, (1040), 4 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:46,878 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:03:46,879 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] [2021-04-28 21:03:46,879 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 21:03:46,879 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:03:46,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:03:46,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1654222886, now seen corresponding path program 1 times [2021-04-28 21:03:46,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:03:46,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550058187] [2021-04-28 21:03:46,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:03:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:03:46,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:46,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:03:46,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:46,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:46,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:03:46,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:03:46,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:03:46,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550058187] [2021-04-28 21:03:46,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:03:46,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:03:46,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606065272] [2021-04-28 21:03:46,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:03:46,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:03:46,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:03:46,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:03:46,973 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 422 [2021-04-28 21:03:46,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 80 transitions, 509 flow. Second operand has 4 states, 4 states have (on average 301.0) internal successors, (1204), 4 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:46,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:03:46,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 422 [2021-04-28 21:03:46,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:03:50,340 INFO L129 PetriNetUnfolder]: 21800/35647 cut-off events. [2021-04-28 21:03:50,341 INFO L130 PetriNetUnfolder]: For 40895/53828 co-relation queries the response was YES. [2021-04-28 21:03:50,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134559 conditions, 35647 events. 21800/35647 cut-off events. For 40895/53828 co-relation queries the response was YES. Maximal size of possible extension queue 7140. Compared 344986 event pairs, 5 based on Foata normal form. 81/12409 useless extension candidates. Maximal degree in co-relation 134537. Up to 15877 conditions per place. [2021-04-28 21:03:50,573 INFO L132 encePairwiseOnDemand]: 419/422 looper letters, 3 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2021-04-28 21:03:50,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 81 transitions, 521 flow [2021-04-28 21:03:50,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:03:50,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:03:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1206 transitions. [2021-04-28 21:03:50,580 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7144549763033176 [2021-04-28 21:03:50,580 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1206 transitions. [2021-04-28 21:03:50,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1206 transitions. [2021-04-28 21:03:50,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:03:50,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1206 transitions. [2021-04-28 21:03:50,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 301.5) internal successors, (1206), 4 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:50,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 422.0) internal successors, (2110), 5 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:50,591 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 422.0) internal successors, (2110), 5 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:03:50,591 INFO L185 Difference]: Start difference. First operand has 72 places, 80 transitions, 509 flow. Second operand 4 states and 1206 transitions. [2021-04-28 21:03:50,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 81 transitions, 521 flow [2021-04-28 21:04:02,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 81 transitions, 520 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:04:02,110 INFO L241 Difference]: Finished difference. Result has 76 places, 81 transitions, 521 flow [2021-04-28 21:04:02,110 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=422, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=521, PETRI_PLACES=76, PETRI_TRANSITIONS=81} [2021-04-28 21:04:02,111 INFO L343 CegarLoopForPetriNet]: 161 programPoint places, -85 predicate places. [2021-04-28 21:04:02,111 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:04:02,111 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 81 transitions, 521 flow [2021-04-28 21:04:02,111 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 81 transitions, 521 flow [2021-04-28 21:04:02,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 81 transitions, 521 flow [2021-04-28 21:04:05,294 INFO L129 PetriNetUnfolder]: 21800/35647 cut-off events. [2021-04-28 21:04:05,294 INFO L130 PetriNetUnfolder]: For 40745/45425 co-relation queries the response was YES. [2021-04-28 21:04:05,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134563 conditions, 35647 events. 21800/35647 cut-off events. For 40745/45425 co-relation queries the response was YES. Maximal size of possible extension queue 6228. Compared 359230 event pairs, 0 based on Foata normal form. 0/12533 useless extension candidates. Maximal degree in co-relation 134541. Up to 15877 conditions per place. [2021-04-28 21:04:05,805 INFO L146 LiptonReduction]: Number of co-enabled transitions 1430 [2021-04-28 21:04:05,842 INFO L158 LiptonReduction]: Checked pairs total: 132 [2021-04-28 21:04:05,842 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:04:05,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3731 [2021-04-28 21:04:05,843 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 81 transitions, 521 flow [2021-04-28 21:04:05,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 301.0) internal successors, (1204), 4 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:04:05,844 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:04:05,844 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] [2021-04-28 21:04:05,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 21:04:05,845 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:04:05,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:04:05,845 INFO L82 PathProgramCache]: Analyzing trace with hash -285188982, now seen corresponding path program 2 times [2021-04-28 21:04:05,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:04:05,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265702143] [2021-04-28 21:04:05,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:04:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:04:05,944 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 21:04:05,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 21:04:05,985 INFO L142 QuantifierPusher]: treesize reduction 5, result has 92.4 percent of original size [2021-04-28 21:04:05,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-04-28 21:04:06,064 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-28 21:04:06,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-28 21:04:06,133 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-04-28 21:04:06,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-28 21:04:06,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:04:06,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 21:04:06,254 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-04-28 21:04:06,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-28 21:04:06,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:04:06,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265702143] [2021-04-28 21:04:06,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:04:06,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 21:04:06,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725906199] [2021-04-28 21:04:06,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-28 21:04:06,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:04:06,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-28 21:04:06,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-04-28 21:04:06,293 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 422 [2021-04-28 21:04:06,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 81 transitions, 521 flow. Second operand has 8 states, 8 states have (on average 233.875) internal successors, (1871), 8 states have internal predecessors, (1871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:04:06,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:04:06,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 422 [2021-04-28 21:04:06,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:04:13,035 INFO L129 PetriNetUnfolder]: 39542/63898 cut-off events. [2021-04-28 21:04:13,035 INFO L130 PetriNetUnfolder]: For 83689/144365 co-relation queries the response was YES. [2021-04-28 21:04:13,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 240673 conditions, 63898 events. 39542/63898 cut-off events. For 83689/144365 co-relation queries the response was YES. Maximal size of possible extension queue 12876. Compared 661878 event pairs, 0 based on Foata normal form. 123/22617 useless extension candidates. Maximal degree in co-relation 240649. Up to 27217 conditions per place. [2021-04-28 21:04:13,319 INFO L132 encePairwiseOnDemand]: 416/422 looper letters, 6 selfloop transitions, 5 changer transitions 10/88 dead transitions. [2021-04-28 21:04:13,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 88 transitions, 591 flow [2021-04-28 21:04:13,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-28 21:04:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-28 21:04:13,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1880 transitions. [2021-04-28 21:04:13,329 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.556872037914692 [2021-04-28 21:04:13,329 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1880 transitions. [2021-04-28 21:04:13,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1880 transitions. [2021-04-28 21:04:13,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:04:13,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1880 transitions. [2021-04-28 21:04:13,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 235.0) internal successors, (1880), 8 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:04:13,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 422.0) internal successors, (3798), 9 states have internal predecessors, (3798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:04:13,344 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 422.0) internal successors, (3798), 9 states have internal predecessors, (3798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:04:13,344 INFO L185 Difference]: Start difference. First operand has 76 places, 81 transitions, 521 flow. Second operand 8 states and 1880 transitions. [2021-04-28 21:04:13,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 88 transitions, 591 flow [2021-04-28 21:04:41,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 88 transitions, 590 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:04:41,955 INFO L241 Difference]: Finished difference. Result has 86 places, 77 transitions, 524 flow [2021-04-28 21:04:41,955 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=422, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=524, PETRI_PLACES=86, PETRI_TRANSITIONS=77} [2021-04-28 21:04:41,955 INFO L343 CegarLoopForPetriNet]: 161 programPoint places, -75 predicate places. [2021-04-28 21:04:41,955 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:04:41,955 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 77 transitions, 524 flow [2021-04-28 21:04:41,956 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 77 transitions, 524 flow [2021-04-28 21:04:41,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 77 transitions, 524 flow [2021-04-28 21:04:42,652 INFO L129 PetriNetUnfolder]: 6267/10670 cut-off events. [2021-04-28 21:04:42,659 INFO L130 PetriNetUnfolder]: For 12724/17389 co-relation queries the response was YES. [2021-04-28 21:04:42,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40758 conditions, 10670 events. 6267/10670 cut-off events. For 12724/17389 co-relation queries the response was YES. Maximal size of possible extension queue 1956. Compared 96956 event pairs, 0 based on Foata normal form. 0/3821 useless extension candidates. Maximal degree in co-relation 40731. Up to 4699 conditions per place. [2021-04-28 21:04:42,801 INFO L146 LiptonReduction]: Number of co-enabled transitions 884 [2021-04-28 21:04:44,268 INFO L158 LiptonReduction]: Checked pairs total: 172 [2021-04-28 21:04:44,268 INFO L160 LiptonReduction]: Total number of compositions: 4 [2021-04-28 21:04:44,268 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2313 [2021-04-28 21:04:44,270 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 77 transitions, 532 flow [2021-04-28 21:04:44,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 233.875) internal successors, (1871), 8 states have internal predecessors, (1871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:04:44,270 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:04:44,270 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] [2021-04-28 21:04:44,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 21:04:44,271 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:04:44,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:04:44,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1789283590, now seen corresponding path program 3 times [2021-04-28 21:04:44,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:04:44,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985868627] [2021-04-28 21:04:44,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:04:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 21:04:44,324 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 21:04:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 21:04:44,366 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 21:04:44,407 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 21:04:44,407 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 21:04:44,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 21:04:44,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:04:44 BasicIcfg [2021-04-28 21:04:44,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 21:04:44,547 INFO L168 Benchmark]: Toolchain (without parser) took 183425.11 ms. Allocated memory was 302.0 MB in the beginning and 8.9 GB in the end (delta: 8.6 GB). Free memory was 276.7 MB in the beginning and 7.4 GB in the end (delta: -7.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.0 GB. [2021-04-28 21:04:44,548 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 302.0 MB. Free memory was 271.7 MB in the beginning and 271.6 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 21:04:44,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 888.01 ms. Allocated memory is still 302.0 MB. Free memory was 273.7 MB in the beginning and 277.7 MB in the end (delta: -4.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-04-28 21:04:44,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.01 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 274.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:04:44,549 INFO L168 Benchmark]: Boogie Preprocessor took 43.41 ms. Allocated memory is still 302.0 MB. Free memory was 274.5 MB in the beginning and 272.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:04:44,549 INFO L168 Benchmark]: RCFGBuilder took 2155.13 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 272.4 MB in the beginning and 290.2 MB in the end (delta: -17.8 MB). Peak memory consumption was 165.7 MB. Max. memory is 16.0 GB. [2021-04-28 21:04:44,549 INFO L168 Benchmark]: TraceAbstraction took 180205.62 ms. Allocated memory was 362.8 MB in the beginning and 8.9 GB in the end (delta: 8.6 GB). Free memory was 290.2 MB in the beginning and 7.4 GB in the end (delta: -7.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. [2021-04-28 21:04:44,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 302.0 MB. Free memory was 271.7 MB in the beginning and 271.6 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 888.01 ms. Allocated memory is still 302.0 MB. Free memory was 273.7 MB in the beginning and 277.7 MB in the end (delta: -4.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 68.01 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 274.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.41 ms. Allocated memory is still 302.0 MB. Free memory was 274.5 MB in the beginning and 272.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2155.13 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 272.4 MB in the beginning and 290.2 MB in the end (delta: -17.8 MB). Peak memory consumption was 165.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 180205.62 ms. Allocated memory was 362.8 MB in the beginning and 8.9 GB in the end (delta: 8.6 GB). Free memory was 290.2 MB in the beginning and 7.4 GB in the end (delta: -7.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103138.2ms, 125 PlacesBefore, 161 PlacesAfterwards, 114 TransitionsBefore, 150 TransitionsAfterwards, 2598 CoEnabledTransitionPairs, 10 FixpointIterations, 204 TrivialSequentialCompositions, 98 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 303 TotalNumberOfCompositions, 28907 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6889, positive: 6493, positive conditional: 6493, positive unconditional: 0, negative: 396, negative conditional: 396, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2879, positive: 2797, positive conditional: 0, positive unconditional: 2797, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2879, positive: 2797, positive conditional: 0, positive unconditional: 2797, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2879, positive: 2761, positive conditional: 0, positive unconditional: 2761, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 118, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1944, positive: 187, positive conditional: 0, positive unconditional: 187, negative: 1757, negative conditional: 0, negative unconditional: 1757, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6889, positive: 3696, positive conditional: 3696, positive unconditional: 0, negative: 314, negative conditional: 314, negative unconditional: 0, unknown: 2879, unknown conditional: 2879, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2879, Positive cache size: 2797, Positive conditional cache size: 2797, Positive unconditional cache size: 0, Negative cache size: 82, Negative conditional cache size: 82, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 427.5ms, 156 PlacesBefore, 64 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 1696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1570 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 375, positive: 335, positive conditional: 335, positive unconditional: 0, negative: 40, negative conditional: 40, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 142, positive: 131, positive conditional: 5, positive unconditional: 126, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 142, positive: 131, positive conditional: 5, positive unconditional: 126, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 142, positive: 116, positive conditional: 0, positive unconditional: 116, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 402, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 337, negative conditional: 0, negative unconditional: 337, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 375, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 142, unknown conditional: 142, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3021, Positive cache size: 2928, Positive conditional cache size: 2928, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 451.0ms, 65 PlacesBefore, 49 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 806 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1926 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 656, positive: 581, positive conditional: 581, positive unconditional: 0, negative: 75, negative conditional: 75, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 69, positive: 65, positive conditional: 22, positive unconditional: 43, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 69, positive: 65, positive conditional: 22, positive unconditional: 43, 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: 69, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 656, positive: 516, positive conditional: 516, positive unconditional: 0, negative: 71, negative conditional: 71, negative unconditional: 0, unknown: 69, unknown conditional: 69, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3090, Positive cache size: 2993, Positive conditional cache size: 2993, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 185.4ms, 51 PlacesBefore, 50 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 818 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 681 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 259, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 33, positive conditional: 23, positive unconditional: 10, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, positive: 33, positive conditional: 23, positive unconditional: 10, 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: 37, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 86, positive conditional: 86, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 259, positive: 201, positive conditional: 201, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3127, Positive cache size: 3026, Positive conditional cache size: 3026, Positive unconditional cache size: 0, Negative cache size: 101, Negative conditional cache size: 101, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 591.4ms, 53 PlacesBefore, 53 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 820 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 298, positive: 276, positive conditional: 276, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 91, positive: 89, positive conditional: 40, positive unconditional: 49, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 91, positive: 89, positive conditional: 40, positive unconditional: 49, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 91, positive: 89, positive conditional: 0, positive unconditional: 89, 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: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 51, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 51, negative conditional: 51, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 298, positive: 187, positive conditional: 187, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 91, unknown conditional: 91, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3218, Positive cache size: 3115, Positive conditional cache size: 3115, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 790.1ms, 58 PlacesBefore, 58 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 1358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1334 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 482, positive: 454, positive conditional: 454, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 142, positive: 142, positive conditional: 88, positive unconditional: 54, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 142, positive: 142, positive conditional: 88, positive unconditional: 54, 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: 142, positive: 142, positive conditional: 0, positive unconditional: 142, 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: 482, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 142, unknown conditional: 142, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3360, Positive cache size: 3257, Positive conditional cache size: 3257, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 730.1ms, 63 PlacesBefore, 63 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 1384 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1662 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 408, positive: 374, positive conditional: 374, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 113, positive conditional: 110, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 113, positive: 113, positive conditional: 110, 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: 113, positive: 113, positive conditional: 0, positive unconditional: 113, 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: 408, positive: 261, positive conditional: 261, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 113, unknown conditional: 113, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3473, Positive cache size: 3370, Positive conditional cache size: 3370, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 635.3ms, 67 PlacesBefore, 67 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 1288 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1635 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 538, positive: 503, positive conditional: 503, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 151, positive: 151, positive conditional: 151, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 151, positive: 151, positive conditional: 151, 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: 151, positive: 151, positive conditional: 0, positive unconditional: 151, 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: 538, positive: 352, positive conditional: 352, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 151, unknown conditional: 151, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3624, Positive cache size: 3521, Positive conditional cache size: 3521, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 794.7ms, 68 PlacesBefore, 68 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 1332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1046 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 281, positive: 259, positive conditional: 259, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110, positive: 110, positive conditional: 103, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 110, positive: 110, positive conditional: 103, positive unconditional: 7, 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: 110, positive: 110, positive conditional: 0, positive unconditional: 110, 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: 281, positive: 149, positive conditional: 149, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 110, unknown conditional: 110, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3734, Positive cache size: 3631, Positive conditional cache size: 3631, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1708.0ms, 72 PlacesBefore, 72 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 1386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 358 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 207, positive: 199, positive conditional: 199, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 207, positive: 191, positive conditional: 191, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3742, Positive cache size: 3639, Positive conditional cache size: 3639, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3731.1ms, 76 PlacesBefore, 76 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 1430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 132 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3744, Positive cache size: 3641, Positive conditional cache size: 3641, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2312.6ms, 86 PlacesBefore, 79 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 884 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 172 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 172, positive: 172, positive conditional: 172, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, positive: 133, positive conditional: 102, positive unconditional: 31, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 133, positive: 133, positive conditional: 102, positive unconditional: 31, 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: 133, positive: 133, positive conditional: 0, positive unconditional: 133, 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: 172, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 133, unknown conditional: 133, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3877, Positive cache size: 3774, Positive conditional cache size: 3774, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L722] 0 int b = 0; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L728] 0 int y = 0; [L730] 0 int z = 0; [L731] 0 _Bool z$flush_delayed; [L732] 0 int z$mem_tmp; [L733] 0 _Bool z$r_buff0_thd0; [L734] 0 _Bool z$r_buff0_thd1; [L735] 0 _Bool z$r_buff0_thd2; [L736] 0 _Bool z$r_buff0_thd3; [L737] 0 _Bool z$r_buff0_thd4; [L738] 0 _Bool z$r_buff1_thd0; [L739] 0 _Bool z$r_buff1_thd1; [L740] 0 _Bool z$r_buff1_thd2; [L741] 0 _Bool z$r_buff1_thd3; [L742] 0 _Bool z$r_buff1_thd4; [L743] 0 _Bool z$read_delayed; [L744] 0 int *z$read_delayed_var; [L745] 0 int z$w_buff0; [L746] 0 _Bool z$w_buff0_used; [L747] 0 int z$w_buff1; [L748] 0 _Bool z$w_buff1_used; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L848] 0 pthread_t t1133; [L849] FCALL, FORK 0 pthread_create(&t1133, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1134; [L851] FCALL, FORK 0 pthread_create(&t1134, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L852] 0 pthread_t t1135; [L853] FCALL, FORK 0 pthread_create(&t1135, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L854] 0 pthread_t t1136; [L855] FCALL, FORK 0 pthread_create(&t1136, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L804] 4 z$w_buff1 = z$w_buff0 [L805] 4 z$w_buff0 = 2 [L806] 4 z$w_buff1_used = z$w_buff0_used [L807] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L809] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L810] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L811] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L812] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L813] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L814] 4 z$r_buff0_thd4 = (_Bool)1 [L817] 4 a = 1 [L820] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L823] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L769] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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] [L772] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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] [L784] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, 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] [L787] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, 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] [L826] 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) [L826] 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) [L827] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L827] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L828] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L828] 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 [L829] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L829] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L830] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L830] 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 [L790] 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) [L790] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L790] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L791] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L791] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L792] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L792] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L793] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L793] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L794] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L794] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2, 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=0, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 2 return 0; [L797] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2, 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=0, z$w_buff1=0, z$w_buff1_used=0] [L833] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L835] 4 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2, 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=0, z$w_buff1=0, z$w_buff1_used=0] [L857] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2, 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=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) [L861] 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) [L861] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L861] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L862] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L862] 0 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_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L863] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L864] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L864] 0 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_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L865] 0 z$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 [L868] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L869] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L870] 0 z$flush_delayed = weak$$choice2 [L871] 0 z$mem_tmp = z [L872] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L872] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L873] EXPR 0 weak$$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$w_buff0)) [L873] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L874] EXPR 0 weak$$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$w_buff1)) [L874] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L875] EXPR 0 weak$$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)) [L875] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L876] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] EXPR 0 weak$$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)) [L877] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L878] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L878] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L879] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L880] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L880] 0 z = z$flush_delayed ? z$mem_tmp : z [L881] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=1, 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, 117 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 19.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 179938.5ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 61947.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 103249.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 52 SDtfs, 45 SDslu, 55 SDs, 0 SdLazy, 361 SolverSat, 222 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 731.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 817.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=619occurred in iteration=7, InterpolantAutomatonStates: 52, 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: 52.6ms SsaConstructionTime, 529.1ms SatisfiabilityAnalysisTime, 1406.1ms InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 1198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...