/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/rfi001_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 22:57:51,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 22:57:51,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 22:57:51,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 22:57:51,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 22:57:51,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 22:57:51,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 22:57:51,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 22:57:51,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 22:57:51,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 22:57:51,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 22:57:51,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 22:57:51,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 22:57:51,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 22:57:51,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 22:57:51,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 22:57:51,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 22:57:51,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 22:57:51,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 22:57:51,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 22:57:51,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 22:57:51,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 22:57:51,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 22:57:51,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 22:57:51,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 22:57:51,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 22:57:51,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 22:57:51,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 22:57:51,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 22:57:51,804 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 22:57:51,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 22:57:51,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 22:57:51,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 22:57:51,807 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 22:57:51,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 22:57:51,808 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 22:57:51,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 22:57:51,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 22:57:51,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 22:57:51,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 22:57:51,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 22:57:51,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 22:57:51,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 22:57:51,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 22:57:51,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 22:57:51,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 22:57:51,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 22:57:51,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 22:57:51,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 22:57:51,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 22:57:51,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:57:51,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 22:57:51,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 22:57:51,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 22:57:51,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 22:57:51,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 22:57:51,815 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 22:57:51,815 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 22:57:51,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 22:57:51,816 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 22:57:52,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 22:57:52,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 22:57:52,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 22:57:52,224 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 22:57:52,224 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 22:57:52,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi001_rmo.opt.i [2021-04-28 22:57:52,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98ca868e/dbfb5cf06f2946d19e782d09f21d3f00/FLAGc01aa59e3 [2021-04-28 22:57:53,005 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 22:57:53,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi001_rmo.opt.i [2021-04-28 22:57:53,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98ca868e/dbfb5cf06f2946d19e782d09f21d3f00/FLAGc01aa59e3 [2021-04-28 22:57:53,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98ca868e/dbfb5cf06f2946d19e782d09f21d3f00 [2021-04-28 22:57:53,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 22:57:53,353 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 22:57:53,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 22:57:53,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 22:57:53,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 22:57:53,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:57:53" (1/1) ... [2021-04-28 22:57:53,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530217f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:57:53, skipping insertion in model container [2021-04-28 22:57:53,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:57:53" (1/1) ... [2021-04-28 22:57:53,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 22:57:53,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 22:57:53,684 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/rfi001_rmo.opt.i[948,961] [2021-04-28 22:57:53,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:57:53,898 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 22:57:53,912 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/rfi001_rmo.opt.i[948,961] [2021-04-28 22:57:53,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:57:54,116 INFO L208 MainTranslator]: Completed translation [2021-04-28 22:57:54,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:57:54 WrapperNode [2021-04-28 22:57:54,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 22:57:54,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 22:57:54,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 22:57:54,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 22:57:54,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:57:54" (1/1) ... [2021-04-28 22:57:54,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:57:54" (1/1) ... [2021-04-28 22:57:54,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 22:57:54,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 22:57:54,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 22:57:54,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 22:57:54,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:57:54" (1/1) ... [2021-04-28 22:57:54,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:57:54" (1/1) ... [2021-04-28 22:57:54,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:57:54" (1/1) ... [2021-04-28 22:57:54,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:57:54" (1/1) ... [2021-04-28 22:57:54,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:57:54" (1/1) ... [2021-04-28 22:57:54,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:57:54" (1/1) ... [2021-04-28 22:57:54,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:57:54" (1/1) ... [2021-04-28 22:57:54,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 22:57:54,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 22:57:54,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 22:57:54,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 22:57:54,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:57:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:57:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 22:57:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 22:57:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 22:57:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 22:57:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 22:57:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 22:57:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 22:57:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 22:57:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 22:57:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 22:57:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 22:57:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 22:57:54,360 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 22:57:56,237 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 22:57:56,238 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 22:57:56,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:57:56 BoogieIcfgContainer [2021-04-28 22:57:56,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 22:57:56,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 22:57:56,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 22:57:56,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 22:57:56,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:57:53" (1/3) ... [2021-04-28 22:57:56,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f67b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:57:56, skipping insertion in model container [2021-04-28 22:57:56,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:57:54" (2/3) ... [2021-04-28 22:57:56,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f67b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:57:56, skipping insertion in model container [2021-04-28 22:57:56,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:57:56" (3/3) ... [2021-04-28 22:57:56,249 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi001_rmo.opt.i [2021-04-28 22:57:56,257 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 22:57:56,263 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 22:57:56,264 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 22:57:56,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,297 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,297 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,298 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,298 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,303 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,303 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,304 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,304 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,304 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,304 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,305 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,305 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,312 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,313 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,313 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,318 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,318 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:57:56,320 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 22:57:56,343 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-28 22:57:56,368 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 22:57:56,368 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 22:57:56,368 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 22:57:56,368 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 22:57:56,369 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 22:57:56,369 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 22:57:56,369 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 22:57:56,369 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 22:57:56,383 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 84 transitions, 178 flow [2021-04-28 22:57:56,427 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-04-28 22:57:56,427 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:57:56,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-04-28 22:57:56,432 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 84 transitions, 178 flow [2021-04-28 22:57:56,438 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 82 transitions, 170 flow [2021-04-28 22:57:56,440 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:57:56,456 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 82 transitions, 170 flow [2021-04-28 22:57:56,460 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 82 transitions, 170 flow [2021-04-28 22:57:56,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 82 transitions, 170 flow [2021-04-28 22:57:56,487 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-04-28 22:57:56,488 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:57:56,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-04-28 22:57:56,492 INFO L146 LiptonReduction]: Number of co-enabled transitions 1046 [2021-04-28 22:57:59,800 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 22:58:00,237 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 22:58:02,388 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 22:58:03,350 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 22:58:03,701 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 22:58:03,821 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 22:58:04,340 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 22:58:04,542 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 22:58:06,697 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 22:58:07,178 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:58:09,421 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 22:58:10,415 WARN L205 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 22:58:11,587 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 22:58:12,102 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 22:58:14,382 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 22:58:15,447 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 22:58:16,583 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 22:58:17,089 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:58:19,478 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:58:20,624 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:58:22,972 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 22:58:23,551 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:58:26,131 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 313 DAG size of output: 268 [2021-04-28 22:58:27,300 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:58:28,680 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 22:58:29,299 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:58:32,155 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:58:33,437 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:58:34,918 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 22:58:35,617 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 22:58:38,749 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 22:58:40,218 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 22:58:41,919 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 22:58:42,660 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:58:46,199 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 313 DAG size of output: 268 [2021-04-28 22:58:47,817 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:58:50,045 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:58:50,267 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:58:50,500 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:58:50,713 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:58:50,963 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:58:51,204 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:58:51,447 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 22:58:51,695 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 22:58:51,960 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 22:58:52,223 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 22:58:54,443 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 22:58:56,242 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-04-28 22:59:00,309 WARN L205 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 22:59:02,191 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 22:59:04,485 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 229 DAG size of output: 188 [2021-04-28 22:59:05,550 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:59:10,140 WARN L205 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 22:59:12,234 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 22:59:14,730 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 22:59:16,955 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 184 DAG size of output: 183 [2021-04-28 22:59:21,862 WARN L205 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 310 DAG size of output: 265 [2021-04-28 22:59:24,076 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 262 [2021-04-28 22:59:25,252 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:59:25,362 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 22:59:25,589 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:59:25,695 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 22:59:26,012 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 22:59:26,152 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:59:26,450 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 22:59:26,585 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:59:26,878 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 22:59:27,014 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:59:27,294 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 22:59:27,425 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:59:27,705 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:59:27,832 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 22:59:28,111 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:59:28,237 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 22:59:29,938 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 22:59:30,087 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 22:59:30,239 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 22:59:30,387 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 22:59:30,843 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 22:59:30,981 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 22:59:31,122 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 22:59:31,260 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 22:59:32,326 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 22:59:32,445 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:59:32,757 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 22:59:32,909 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:59:33,193 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:59:33,302 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 22:59:33,575 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:59:33,694 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 22:59:33,993 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 22:59:34,135 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:59:34,515 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 22:59:34,674 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:59:34,919 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:59:35,027 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 22:59:35,261 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:59:35,691 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 22:59:35,840 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:59:36,162 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 22:59:36,309 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:59:36,689 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:59:36,971 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:59:37,293 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:59:37,610 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:59:37,816 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:59:38,015 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:59:38,206 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:59:38,411 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:59:38,616 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:59:38,798 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:59:38,996 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:59:39,190 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:59:39,446 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:59:39,736 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:59:40,041 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:59:40,349 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:59:40,716 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:59:41,053 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:59:41,348 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:59:41,681 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:59:41,994 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:59:42,329 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:59:42,688 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:59:43,055 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:59:43,212 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:59:43,381 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:59:43,561 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:59:43,743 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:59:43,930 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:59:44,119 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:59:44,308 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:59:44,493 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:59:45,493 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-04-28 22:59:45,939 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 22:59:46,914 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-04-28 22:59:47,313 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 22:59:48,226 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 22:59:48,668 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 22:59:49,562 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 22:59:49,981 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 22:59:50,166 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:59:50,386 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:59:50,611 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:59:50,831 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:59:51,077 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:59:51,323 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:59:51,586 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:59:51,832 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:59:52,023 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:59:52,219 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:59:52,434 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:59:52,617 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:59:52,939 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:59:53,294 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:59:53,619 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:59:53,951 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:59:54,194 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:59:54,433 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:59:54,663 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:59:54,893 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:59:55,202 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:59:55,507 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:59:55,800 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:59:56,088 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:59:56,412 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:59:56,746 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:59:57,062 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:59:57,386 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:59:57,698 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:59:57,999 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:59:58,289 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:59:58,563 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:59:58,837 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:59:59,108 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:59:59,367 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:59:59,619 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:59:59,951 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:00:00,279 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:00:00,595 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:00:00,888 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:00:01,149 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:00:01,415 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:00:01,671 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:00:01,943 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:00:02,283 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:00:02,609 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:00:02,902 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:00:03,200 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:00:03,427 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:00:03,645 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:00:03,895 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:00:04,120 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:00:04,166 INFO L158 LiptonReduction]: Checked pairs total: 9587 [2021-04-28 23:00:04,166 INFO L160 LiptonReduction]: Total number of compositions: 193 [2021-04-28 23:00:04,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 127734 [2021-04-28 23:00:04,199 INFO L129 PetriNetUnfolder]: 2/72 cut-off events. [2021-04-28 23:00:04,200 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:00:04,200 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:00:04,201 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 23:00:04,201 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:00:04,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:00:04,210 INFO L82 PathProgramCache]: Analyzing trace with hash 987952830, now seen corresponding path program 1 times [2021-04-28 23:00:04,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:00:04,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166545592] [2021-04-28 23:00:04,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:00:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:00:04,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:04,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:00:04,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:00:04,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166545592] [2021-04-28 23:00:04,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:00:04,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:00:04,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660139375] [2021-04-28 23:00:04,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:00:04,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:00:04,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:00:04,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:00:04,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 277 [2021-04-28 23:00:04,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 108 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 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 23:00:04,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:00:04,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 277 [2021-04-28 23:00:04,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:00:05,275 INFO L129 PetriNetUnfolder]: 212/640 cut-off events. [2021-04-28 23:00:05,275 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:00:05,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1040 conditions, 640 events. 212/640 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4942 event pairs, 16 based on Foata normal form. 10/298 useless extension candidates. Maximal degree in co-relation 976. Up to 333 conditions per place. [2021-04-28 23:00:05,282 INFO L132 encePairwiseOnDemand]: 259/277 looper letters, 7 selfloop transitions, 4 changer transitions 84/120 dead transitions. [2021-04-28 23:00:05,282 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 120 transitions, 344 flow [2021-04-28 23:00:05,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:00:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:00:05,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2021-04-28 23:00:05,309 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8086642599277978 [2021-04-28 23:00:05,310 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 672 transitions. [2021-04-28 23:00:05,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 672 transitions. [2021-04-28 23:00:05,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:00:05,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 672 transitions. [2021-04-28 23:00:05,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 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 23:00:05,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 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 23:00:05,337 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 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 23:00:05,340 INFO L185 Difference]: Start difference. First operand has 113 places, 108 transitions, 222 flow. Second operand 3 states and 672 transitions. [2021-04-28 23:00:05,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 120 transitions, 344 flow [2021-04-28 23:00:05,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 120 transitions, 342 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:00:05,350 INFO L241 Difference]: Finished difference. Result has 110 places, 33 transitions, 78 flow [2021-04-28 23:00:05,353 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=110, PETRI_TRANSITIONS=33} [2021-04-28 23:00:05,355 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -3 predicate places. [2021-04-28 23:00:05,355 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:00:05,355 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 33 transitions, 78 flow [2021-04-28 23:00:05,356 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 33 transitions, 78 flow [2021-04-28 23:00:05,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 33 transitions, 78 flow [2021-04-28 23:00:05,362 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-04-28 23:00:05,362 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:00:05,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 105 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 23:00:05,363 INFO L146 LiptonReduction]: Number of co-enabled transitions 576 [2021-04-28 23:00:06,009 INFO L158 LiptonReduction]: Checked pairs total: 498 [2021-04-28 23:00:06,010 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:00:06,010 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 655 [2021-04-28 23:00:06,012 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 78 flow [2021-04-28 23:00:06,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 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 23:00:06,013 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:00:06,013 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:00:06,014 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 23:00:06,014 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:00:06,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:00:06,015 INFO L82 PathProgramCache]: Analyzing trace with hash 234995219, now seen corresponding path program 1 times [2021-04-28 23:00:06,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:00:06,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372978056] [2021-04-28 23:00:06,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:00:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:00:06,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:06,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:00:06,308 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 23:00:06,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372978056] [2021-04-28 23:00:06,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:00:06,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:00:06,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192955030] [2021-04-28 23:00:06,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:00:06,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:00:06,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:00:06,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:00:06,314 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 277 [2021-04-28 23:00:06,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 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 23:00:06,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:00:06,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 277 [2021-04-28 23:00:06,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:00:06,343 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-04-28 23:00:06,344 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:00:06,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 111 event pairs, 0 based on Foata normal form. 1/18 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 23:00:06,344 INFO L132 encePairwiseOnDemand]: 274/277 looper letters, 1 selfloop transitions, 2 changer transitions 12/33 dead transitions. [2021-04-28 23:00:06,345 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 33 transitions, 84 flow [2021-04-28 23:00:06,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:00:06,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:00:06,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2021-04-28 23:00:06,353 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7160048134777377 [2021-04-28 23:00:06,353 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2021-04-28 23:00:06,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2021-04-28 23:00:06,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:00:06,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2021-04-28 23:00:06,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 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 23:00:06,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 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 23:00:06,362 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 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 23:00:06,362 INFO L185 Difference]: Start difference. First operand has 40 places, 33 transitions, 78 flow. Second operand 3 states and 595 transitions. [2021-04-28 23:00:06,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 33 transitions, 84 flow [2021-04-28 23:00:06,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 33 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:00:06,364 INFO L241 Difference]: Finished difference. Result has 41 places, 21 transitions, 54 flow [2021-04-28 23:00:06,364 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=41, PETRI_TRANSITIONS=21} [2021-04-28 23:00:06,365 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -72 predicate places. [2021-04-28 23:00:06,365 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:00:06,365 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 21 transitions, 54 flow [2021-04-28 23:00:06,366 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 21 transitions, 54 flow [2021-04-28 23:00:06,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 21 transitions, 54 flow [2021-04-28 23:00:06,371 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-04-28 23:00:06,371 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:00:06,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 21 events. 0/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 38 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:00:06,372 INFO L146 LiptonReduction]: Number of co-enabled transitions 206 [2021-04-28 23:00:07,001 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:00:07,116 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:00:07,410 INFO L158 LiptonReduction]: Checked pairs total: 502 [2021-04-28 23:00:07,411 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 23:00:07,411 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1046 [2021-04-28 23:00:07,412 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 21 transitions, 54 flow [2021-04-28 23:00:07,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 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 23:00:07,414 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:00:07,414 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:00:07,414 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 23:00:07,414 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:00:07,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:00:07,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1802931740, now seen corresponding path program 1 times [2021-04-28 23:00:07,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:00:07,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903998710] [2021-04-28 23:00:07,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:00:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:00:07,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:07,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-28 23:00:07,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:07,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:00:07,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:07,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 23:00:07,827 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 23:00:07,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903998710] [2021-04-28 23:00:07,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:00:07,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:00:07,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126461021] [2021-04-28 23:00:07,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:00:07,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:00:07,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:00:07,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:00:07,832 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 278 [2021-04-28 23:00:07,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 21 transitions, 54 flow. Second operand has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 0 states have call successors, (0), 0 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 23:00:07,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:00:07,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 278 [2021-04-28 23:00:07,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:00:08,024 INFO L129 PetriNetUnfolder]: 28/93 cut-off events. [2021-04-28 23:00:08,024 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-04-28 23:00:08,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 93 events. 28/93 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 395 event pairs, 10 based on Foata normal form. 1/77 useless extension candidates. Maximal degree in co-relation 166. Up to 50 conditions per place. [2021-04-28 23:00:08,026 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 8 selfloop transitions, 5 changer transitions 2/28 dead transitions. [2021-04-28 23:00:08,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 28 transitions, 101 flow [2021-04-28 23:00:08,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:00:08,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:00:08,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 704 transitions. [2021-04-28 23:00:08,035 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6330935251798561 [2021-04-28 23:00:08,035 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 704 transitions. [2021-04-28 23:00:08,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 704 transitions. [2021-04-28 23:00:08,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:00:08,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 704 transitions. [2021-04-28 23:00:08,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 0 states have call successors, (0), 0 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 23:00:08,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 278.0) internal successors, (1390), 5 states have internal predecessors, (1390), 0 states have call successors, (0), 0 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 23:00:08,044 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 278.0) internal successors, (1390), 5 states have internal predecessors, (1390), 0 states have call successors, (0), 0 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 23:00:08,044 INFO L185 Difference]: Start difference. First operand has 29 places, 21 transitions, 54 flow. Second operand 4 states and 704 transitions. [2021-04-28 23:00:08,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 28 transitions, 101 flow [2021-04-28 23:00:08,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 28 transitions, 95 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:00:08,046 INFO L241 Difference]: Finished difference. Result has 32 places, 24 transitions, 81 flow [2021-04-28 23:00:08,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=81, PETRI_PLACES=32, PETRI_TRANSITIONS=24} [2021-04-28 23:00:08,047 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -81 predicate places. [2021-04-28 23:00:08,047 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:00:08,047 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 24 transitions, 81 flow [2021-04-28 23:00:08,048 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 24 transitions, 81 flow [2021-04-28 23:00:08,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 24 transitions, 81 flow [2021-04-28 23:00:08,055 INFO L129 PetriNetUnfolder]: 2/37 cut-off events. [2021-04-28 23:00:08,055 INFO L130 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2021-04-28 23:00:08,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 37 events. 2/37 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 100 event pairs, 0 based on Foata normal form. 1/27 useless extension candidates. Maximal degree in co-relation 55. Up to 7 conditions per place. [2021-04-28 23:00:08,056 INFO L146 LiptonReduction]: Number of co-enabled transitions 198 [2021-04-28 23:00:08,161 INFO L158 LiptonReduction]: Checked pairs total: 170 [2021-04-28 23:00:08,161 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:00:08,161 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 114 [2021-04-28 23:00:08,163 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 24 transitions, 81 flow [2021-04-28 23:00:08,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 0 states have call successors, (0), 0 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 23:00:08,164 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:00:08,164 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:00:08,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 23:00:08,165 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:00:08,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:00:08,165 INFO L82 PathProgramCache]: Analyzing trace with hash -55810691, now seen corresponding path program 1 times [2021-04-28 23:00:08,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:00:08,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763272648] [2021-04-28 23:00:08,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:00:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:00:08,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:08,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:00:08,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:08,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-28 23:00:08,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:08,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-28 23:00:08,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:08,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-28 23:00:08,401 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 23:00:08,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763272648] [2021-04-28 23:00:08,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:00:08,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:00:08,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968623934] [2021-04-28 23:00:08,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:00:08,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:00:08,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:00:08,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:00:08,407 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 278 [2021-04-28 23:00:08,409 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 24 transitions, 81 flow. Second operand has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 23:00:08,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:00:08,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 278 [2021-04-28 23:00:08,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:00:08,616 INFO L129 PetriNetUnfolder]: 25/87 cut-off events. [2021-04-28 23:00:08,617 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2021-04-28 23:00:08,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 87 events. 25/87 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 344 event pairs, 2 based on Foata normal form. 1/71 useless extension candidates. Maximal degree in co-relation 186. Up to 41 conditions per place. [2021-04-28 23:00:08,618 INFO L132 encePairwiseOnDemand]: 271/278 looper letters, 9 selfloop transitions, 10 changer transitions 0/32 dead transitions. [2021-04-28 23:00:08,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 32 transitions, 140 flow [2021-04-28 23:00:08,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:00:08,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:00:08,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 882 transitions. [2021-04-28 23:00:08,626 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6345323741007194 [2021-04-28 23:00:08,626 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 882 transitions. [2021-04-28 23:00:08,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 882 transitions. [2021-04-28 23:00:08,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:00:08,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 882 transitions. [2021-04-28 23:00:08,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 176.4) internal successors, (882), 5 states have internal predecessors, (882), 0 states have call successors, (0), 0 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 23:00:08,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 278.0) internal successors, (1668), 6 states have internal predecessors, (1668), 0 states have call successors, (0), 0 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 23:00:08,636 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 278.0) internal successors, (1668), 6 states have internal predecessors, (1668), 0 states have call successors, (0), 0 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 23:00:08,636 INFO L185 Difference]: Start difference. First operand has 31 places, 24 transitions, 81 flow. Second operand 5 states and 882 transitions. [2021-04-28 23:00:08,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 32 transitions, 140 flow [2021-04-28 23:00:08,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 32 transitions, 140 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 23:00:08,639 INFO L241 Difference]: Finished difference. Result has 37 places, 30 transitions, 138 flow [2021-04-28 23:00:08,639 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=138, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2021-04-28 23:00:08,639 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -76 predicate places. [2021-04-28 23:00:08,639 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:00:08,640 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 30 transitions, 138 flow [2021-04-28 23:00:08,640 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 30 transitions, 138 flow [2021-04-28 23:00:08,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 30 transitions, 138 flow [2021-04-28 23:00:08,655 INFO L129 PetriNetUnfolder]: 21/75 cut-off events. [2021-04-28 23:00:08,656 INFO L130 PetriNetUnfolder]: For 49/57 co-relation queries the response was YES. [2021-04-28 23:00:08,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 75 events. 21/75 cut-off events. For 49/57 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 305 event pairs, 4 based on Foata normal form. 2/60 useless extension candidates. Maximal degree in co-relation 181. Up to 31 conditions per place. [2021-04-28 23:00:08,658 INFO L146 LiptonReduction]: Number of co-enabled transitions 200 [2021-04-28 23:00:08,700 INFO L158 LiptonReduction]: Checked pairs total: 132 [2021-04-28 23:00:08,701 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:00:08,701 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-04-28 23:00:08,702 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 138 flow [2021-04-28 23:00:08,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 23:00:08,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:00:08,703 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:00:08,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 23:00:08,703 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:00:08,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:00:08,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1366996825, now seen corresponding path program 2 times [2021-04-28 23:00:08,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:00:08,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001604289] [2021-04-28 23:00:08,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:00:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:00:08,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:08,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:00:08,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:08,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:00:08,846 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-04-28 23:00:08,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-28 23:00:08,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:08,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:00:08,945 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 23:00:08,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001604289] [2021-04-28 23:00:08,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:00:08,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:00:08,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944974821] [2021-04-28 23:00:08,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:00:08,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:00:08,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:00:08,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:00:08,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 278 [2021-04-28 23:00:08,952 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 138 flow. Second operand has 6 states, 6 states have (on average 169.83333333333334) internal successors, (1019), 6 states have internal predecessors, (1019), 0 states have call successors, (0), 0 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 23:00:08,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:00:08,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 278 [2021-04-28 23:00:08,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:00:09,211 INFO L129 PetriNetUnfolder]: 26/90 cut-off events. [2021-04-28 23:00:09,211 INFO L130 PetriNetUnfolder]: For 88/90 co-relation queries the response was YES. [2021-04-28 23:00:09,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 90 events. 26/90 cut-off events. For 88/90 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 367 event pairs, 2 based on Foata normal form. 3/76 useless extension candidates. Maximal degree in co-relation 263. Up to 42 conditions per place. [2021-04-28 23:00:09,214 INFO L132 encePairwiseOnDemand]: 271/278 looper letters, 10 selfloop transitions, 11 changer transitions 0/34 dead transitions. [2021-04-28 23:00:09,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 34 transitions, 204 flow [2021-04-28 23:00:09,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:00:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:00:09,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 862 transitions. [2021-04-28 23:00:09,223 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6201438848920864 [2021-04-28 23:00:09,223 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 862 transitions. [2021-04-28 23:00:09,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 862 transitions. [2021-04-28 23:00:09,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:00:09,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 862 transitions. [2021-04-28 23:00:09,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.4) internal successors, (862), 5 states have internal predecessors, (862), 0 states have call successors, (0), 0 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 23:00:09,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 278.0) internal successors, (1668), 6 states have internal predecessors, (1668), 0 states have call successors, (0), 0 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 23:00:09,234 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 278.0) internal successors, (1668), 6 states have internal predecessors, (1668), 0 states have call successors, (0), 0 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 23:00:09,234 INFO L185 Difference]: Start difference. First operand has 37 places, 30 transitions, 138 flow. Second operand 5 states and 862 transitions. [2021-04-28 23:00:09,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 34 transitions, 204 flow [2021-04-28 23:00:09,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 34 transitions, 194 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 23:00:09,238 INFO L241 Difference]: Finished difference. Result has 41 places, 32 transitions, 173 flow [2021-04-28 23:00:09,238 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=173, PETRI_PLACES=41, PETRI_TRANSITIONS=32} [2021-04-28 23:00:09,238 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -72 predicate places. [2021-04-28 23:00:09,239 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:00:09,239 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 32 transitions, 173 flow [2021-04-28 23:00:09,239 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 32 transitions, 173 flow [2021-04-28 23:00:09,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 32 transitions, 173 flow [2021-04-28 23:00:09,304 INFO L129 PetriNetUnfolder]: 24/80 cut-off events. [2021-04-28 23:00:09,304 INFO L130 PetriNetUnfolder]: For 111/122 co-relation queries the response was YES. [2021-04-28 23:00:09,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 80 events. 24/80 cut-off events. For 111/122 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 322 event pairs, 5 based on Foata normal form. 1/61 useless extension candidates. Maximal degree in co-relation 228. Up to 36 conditions per place. [2021-04-28 23:00:09,307 INFO L146 LiptonReduction]: Number of co-enabled transitions 202 [2021-04-28 23:00:09,310 INFO L158 LiptonReduction]: Checked pairs total: 148 [2021-04-28 23:00:09,310 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:00:09,311 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-04-28 23:00:09,312 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 32 transitions, 173 flow [2021-04-28 23:00:09,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 169.83333333333334) internal successors, (1019), 6 states have internal predecessors, (1019), 0 states have call successors, (0), 0 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 23:00:09,313 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:00:09,313 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:00:09,313 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 23:00:09,313 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:00:09,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:00:09,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1363620925, now seen corresponding path program 3 times [2021-04-28 23:00:09,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:00:09,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288083278] [2021-04-28 23:00:09,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:00:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:00:09,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:09,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:00:09,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:09,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:00:09,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:09,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-28 23:00:09,526 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-04-28 23:00:09,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-28 23:00:09,601 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 23:00:09,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288083278] [2021-04-28 23:00:09,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:00:09,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:00:09,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738682899] [2021-04-28 23:00:09,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:00:09,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:00:09,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:00:09,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:00:09,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 278 [2021-04-28 23:00:09,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 32 transitions, 173 flow. Second operand has 6 states, 6 states have (on average 169.83333333333334) internal successors, (1019), 6 states have internal predecessors, (1019), 0 states have call successors, (0), 0 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 23:00:09,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:00:09,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 278 [2021-04-28 23:00:09,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:00:09,910 INFO L129 PetriNetUnfolder]: 27/96 cut-off events. [2021-04-28 23:00:09,910 INFO L130 PetriNetUnfolder]: For 138/140 co-relation queries the response was YES. [2021-04-28 23:00:09,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 96 events. 27/96 cut-off events. For 138/140 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 425 event pairs, 2 based on Foata normal form. 3/78 useless extension candidates. Maximal degree in co-relation 305. Up to 43 conditions per place. [2021-04-28 23:00:09,912 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 10 selfloop transitions, 14 changer transitions 0/37 dead transitions. [2021-04-28 23:00:09,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 37 transitions, 259 flow [2021-04-28 23:00:09,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:00:09,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:00:09,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 861 transitions. [2021-04-28 23:00:09,921 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6194244604316547 [2021-04-28 23:00:09,922 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 861 transitions. [2021-04-28 23:00:09,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 861 transitions. [2021-04-28 23:00:09,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:00:09,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 861 transitions. [2021-04-28 23:00:09,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.2) internal successors, (861), 5 states have internal predecessors, (861), 0 states have call successors, (0), 0 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 23:00:09,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 278.0) internal successors, (1668), 6 states have internal predecessors, (1668), 0 states have call successors, (0), 0 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 23:00:09,931 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 278.0) internal successors, (1668), 6 states have internal predecessors, (1668), 0 states have call successors, (0), 0 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 23:00:09,931 INFO L185 Difference]: Start difference. First operand has 41 places, 32 transitions, 173 flow. Second operand 5 states and 861 transitions. [2021-04-28 23:00:09,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 37 transitions, 259 flow [2021-04-28 23:00:09,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 37 transitions, 236 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-04-28 23:00:09,941 INFO L241 Difference]: Finished difference. Result has 43 places, 36 transitions, 224 flow [2021-04-28 23:00:09,942 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=224, PETRI_PLACES=43, PETRI_TRANSITIONS=36} [2021-04-28 23:00:09,942 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -70 predicate places. [2021-04-28 23:00:09,943 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:00:09,943 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 36 transitions, 224 flow [2021-04-28 23:00:09,943 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 36 transitions, 224 flow [2021-04-28 23:00:09,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 36 transitions, 224 flow [2021-04-28 23:00:09,963 INFO L129 PetriNetUnfolder]: 22/87 cut-off events. [2021-04-28 23:00:09,963 INFO L130 PetriNetUnfolder]: For 146/152 co-relation queries the response was YES. [2021-04-28 23:00:09,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 87 events. 22/87 cut-off events. For 146/152 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 375 event pairs, 3 based on Foata normal form. 2/66 useless extension candidates. Maximal degree in co-relation 253. Up to 33 conditions per place. [2021-04-28 23:00:09,965 INFO L146 LiptonReduction]: Number of co-enabled transitions 202 [2021-04-28 23:00:10,011 INFO L158 LiptonReduction]: Checked pairs total: 166 [2021-04-28 23:00:10,011 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:00:10,011 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-04-28 23:00:10,014 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 36 transitions, 224 flow [2021-04-28 23:00:10,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 169.83333333333334) internal successors, (1019), 6 states have internal predecessors, (1019), 0 states have call successors, (0), 0 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 23:00:10,015 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:00:10,015 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:00:10,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 23:00:10,015 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:00:10,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:00:10,016 INFO L82 PathProgramCache]: Analyzing trace with hash -50827751, now seen corresponding path program 4 times [2021-04-28 23:00:10,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:00:10,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534415495] [2021-04-28 23:00:10,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:00:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:00:10,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:10,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:00:10,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:10,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:00:10,179 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-04-28 23:00:10,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-28 23:00:10,226 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-04-28 23:00:10,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-28 23:00:10,284 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 23:00:10,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534415495] [2021-04-28 23:00:10,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:00:10,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:00:10,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444630100] [2021-04-28 23:00:10,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:00:10,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:00:10,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:00:10,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:00:10,288 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 278 [2021-04-28 23:00:10,290 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 36 transitions, 224 flow. Second operand has 5 states, 5 states have (on average 177.0) internal successors, (885), 5 states have internal predecessors, (885), 0 states have call successors, (0), 0 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 23:00:10,290 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:00:10,290 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 278 [2021-04-28 23:00:10,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:00:10,563 INFO L129 PetriNetUnfolder]: 27/102 cut-off events. [2021-04-28 23:00:10,564 INFO L130 PetriNetUnfolder]: For 244/246 co-relation queries the response was YES. [2021-04-28 23:00:10,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 102 events. 27/102 cut-off events. For 244/246 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 480 event pairs, 0 based on Foata normal form. 5/86 useless extension candidates. Maximal degree in co-relation 353. Up to 40 conditions per place. [2021-04-28 23:00:10,568 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 12 selfloop transitions, 16 changer transitions 0/41 dead transitions. [2021-04-28 23:00:10,569 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 41 transitions, 318 flow [2021-04-28 23:00:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 23:00:10,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 23:00:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1072 transitions. [2021-04-28 23:00:10,577 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6426858513189448 [2021-04-28 23:00:10,578 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1072 transitions. [2021-04-28 23:00:10,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1072 transitions. [2021-04-28 23:00:10,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:00:10,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1072 transitions. [2021-04-28 23:00:10,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 178.66666666666666) internal successors, (1072), 6 states have internal predecessors, (1072), 0 states have call successors, (0), 0 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 23:00:10,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 278.0) internal successors, (1946), 7 states have internal predecessors, (1946), 0 states have call successors, (0), 0 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 23:00:10,589 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 278.0) internal successors, (1946), 7 states have internal predecessors, (1946), 0 states have call successors, (0), 0 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 23:00:10,589 INFO L185 Difference]: Start difference. First operand has 43 places, 36 transitions, 224 flow. Second operand 6 states and 1072 transitions. [2021-04-28 23:00:10,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 41 transitions, 318 flow [2021-04-28 23:00:10,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 41 transitions, 308 flow, removed 5 selfloop flow, removed 0 redundant places. [2021-04-28 23:00:10,593 INFO L241 Difference]: Finished difference. Result has 49 places, 38 transitions, 285 flow [2021-04-28 23:00:10,594 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=285, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2021-04-28 23:00:10,594 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -64 predicate places. [2021-04-28 23:00:10,594 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:00:10,594 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 38 transitions, 285 flow [2021-04-28 23:00:10,594 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 38 transitions, 285 flow [2021-04-28 23:00:10,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 38 transitions, 285 flow [2021-04-28 23:00:10,613 INFO L129 PetriNetUnfolder]: 22/92 cut-off events. [2021-04-28 23:00:10,613 INFO L130 PetriNetUnfolder]: For 228/234 co-relation queries the response was YES. [2021-04-28 23:00:10,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 92 events. 22/92 cut-off events. For 228/234 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 410 event pairs, 4 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 316. Up to 34 conditions per place. [2021-04-28 23:00:10,616 INFO L146 LiptonReduction]: Number of co-enabled transitions 216 [2021-04-28 23:00:10,662 INFO L158 LiptonReduction]: Checked pairs total: 186 [2021-04-28 23:00:10,662 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:00:10,662 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-04-28 23:00:10,663 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 285 flow [2021-04-28 23:00:10,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 177.0) internal successors, (885), 5 states have internal predecessors, (885), 0 states have call successors, (0), 0 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 23:00:10,664 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:00:10,664 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:00:10,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 23:00:10,664 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:00:10,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:00:10,665 INFO L82 PathProgramCache]: Analyzing trace with hash -50862006, now seen corresponding path program 1 times [2021-04-28 23:00:10,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:00:10,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335911813] [2021-04-28 23:00:10,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:00:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:00:10,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:10,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:00:10,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:10,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:00:10,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:10,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:00:10,800 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 23:00:10,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335911813] [2021-04-28 23:00:10,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:00:10,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:00:10,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586861055] [2021-04-28 23:00:10,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:00:10,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:00:10,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:00:10,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:00:10,804 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 278 [2021-04-28 23:00:10,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 285 flow. Second operand has 4 states, 4 states have (on average 189.75) internal successors, (759), 4 states have internal predecessors, (759), 0 states have call successors, (0), 0 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 23:00:10,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:00:10,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 278 [2021-04-28 23:00:10,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:00:11,000 INFO L129 PetriNetUnfolder]: 80/227 cut-off events. [2021-04-28 23:00:11,000 INFO L130 PetriNetUnfolder]: For 618/668 co-relation queries the response was YES. [2021-04-28 23:00:11,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 797 conditions, 227 events. 80/227 cut-off events. For 618/668 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1264 event pairs, 21 based on Foata normal form. 46/195 useless extension candidates. Maximal degree in co-relation 775. Up to 121 conditions per place. [2021-04-28 23:00:11,004 INFO L132 encePairwiseOnDemand]: 269/278 looper letters, 8 selfloop transitions, 14 changer transitions 6/49 dead transitions. [2021-04-28 23:00:11,004 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 49 transitions, 306 flow [2021-04-28 23:00:11,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:00:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:00:11,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 975 transitions. [2021-04-28 23:00:11,011 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7014388489208633 [2021-04-28 23:00:11,012 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 975 transitions. [2021-04-28 23:00:11,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 975 transitions. [2021-04-28 23:00:11,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:00:11,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 975 transitions. [2021-04-28 23:00:11,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 195.0) internal successors, (975), 5 states have internal predecessors, (975), 0 states have call successors, (0), 0 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 23:00:11,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 278.0) internal successors, (1668), 6 states have internal predecessors, (1668), 0 states have call successors, (0), 0 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 23:00:11,020 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 278.0) internal successors, (1668), 6 states have internal predecessors, (1668), 0 states have call successors, (0), 0 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 23:00:11,021 INFO L185 Difference]: Start difference. First operand has 49 places, 38 transitions, 285 flow. Second operand 5 states and 975 transitions. [2021-04-28 23:00:11,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 49 transitions, 306 flow [2021-04-28 23:00:11,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 49 transitions, 259 flow, removed 10 selfloop flow, removed 9 redundant places. [2021-04-28 23:00:11,026 INFO L241 Difference]: Finished difference. Result has 47 places, 43 transitions, 258 flow [2021-04-28 23:00:11,026 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=258, PETRI_PLACES=47, PETRI_TRANSITIONS=43} [2021-04-28 23:00:11,027 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -66 predicate places. [2021-04-28 23:00:11,027 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:00:11,027 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 43 transitions, 258 flow [2021-04-28 23:00:11,027 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 43 transitions, 258 flow [2021-04-28 23:00:11,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 43 transitions, 258 flow [2021-04-28 23:00:11,060 INFO L129 PetriNetUnfolder]: 35/164 cut-off events. [2021-04-28 23:00:11,060 INFO L130 PetriNetUnfolder]: For 247/263 co-relation queries the response was YES. [2021-04-28 23:00:11,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 569 conditions, 164 events. 35/164 cut-off events. For 247/263 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 981 event pairs, 6 based on Foata normal form. 12/127 useless extension candidates. Maximal degree in co-relation 550. Up to 63 conditions per place. [2021-04-28 23:00:11,064 INFO L146 LiptonReduction]: Number of co-enabled transitions 258 [2021-04-28 23:00:11,110 INFO L158 LiptonReduction]: Checked pairs total: 105 [2021-04-28 23:00:11,110 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:00:11,110 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-04-28 23:00:11,111 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 43 transitions, 258 flow [2021-04-28 23:00:11,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 189.75) internal successors, (759), 4 states have internal predecessors, (759), 0 states have call successors, (0), 0 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 23:00:11,112 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:00:11,113 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:00:11,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 23:00:11,113 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:00:11,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:00:11,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1890851622, now seen corresponding path program 1 times [2021-04-28 23:00:11,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:00:11,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739946430] [2021-04-28 23:00:11,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:00:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:00:11,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:11,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:00:11,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:11,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:00:11,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:11,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:00:11,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:11,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:00:11,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:00:11,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739946430] [2021-04-28 23:00:11,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:00:11,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:00:11,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471708627] [2021-04-28 23:00:11,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:00:11,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:00:11,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:00:11,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:00:11,239 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 278 [2021-04-28 23:00:11,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 43 transitions, 258 flow. Second operand has 5 states, 5 states have (on average 189.8) internal successors, (949), 5 states have internal predecessors, (949), 0 states have call successors, (0), 0 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 23:00:11,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:00:11,241 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 278 [2021-04-28 23:00:11,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:00:11,512 INFO L129 PetriNetUnfolder]: 23/134 cut-off events. [2021-04-28 23:00:11,513 INFO L130 PetriNetUnfolder]: For 394/517 co-relation queries the response was YES. [2021-04-28 23:00:11,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 134 events. 23/134 cut-off events. For 394/517 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 736 event pairs, 0 based on Foata normal form. 50/135 useless extension candidates. Maximal degree in co-relation 482. Up to 52 conditions per place. [2021-04-28 23:00:11,515 INFO L132 encePairwiseOnDemand]: 269/278 looper letters, 2 selfloop transitions, 21 changer transitions 7/50 dead transitions. [2021-04-28 23:00:11,515 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 50 transitions, 344 flow [2021-04-28 23:00:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 23:00:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 23:00:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1354 transitions. [2021-04-28 23:00:11,525 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6957862281603289 [2021-04-28 23:00:11,525 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1354 transitions. [2021-04-28 23:00:11,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1354 transitions. [2021-04-28 23:00:11,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:00:11,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1354 transitions. [2021-04-28 23:00:11,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 193.42857142857142) internal successors, (1354), 7 states have internal predecessors, (1354), 0 states have call successors, (0), 0 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 23:00:11,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 278.0) internal successors, (2224), 8 states have internal predecessors, (2224), 0 states have call successors, (0), 0 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 23:00:11,536 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 278.0) internal successors, (2224), 8 states have internal predecessors, (2224), 0 states have call successors, (0), 0 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 23:00:11,537 INFO L185 Difference]: Start difference. First operand has 47 places, 43 transitions, 258 flow. Second operand 7 states and 1354 transitions. [2021-04-28 23:00:11,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 50 transitions, 344 flow [2021-04-28 23:00:11,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 50 transitions, 330 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-04-28 23:00:11,542 INFO L241 Difference]: Finished difference. Result has 55 places, 43 transitions, 314 flow [2021-04-28 23:00:11,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=314, PETRI_PLACES=55, PETRI_TRANSITIONS=43} [2021-04-28 23:00:11,543 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -58 predicate places. [2021-04-28 23:00:11,543 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:00:11,543 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 43 transitions, 314 flow [2021-04-28 23:00:11,543 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 43 transitions, 314 flow [2021-04-28 23:00:11,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 43 transitions, 314 flow [2021-04-28 23:00:11,565 INFO L129 PetriNetUnfolder]: 14/115 cut-off events. [2021-04-28 23:00:11,565 INFO L130 PetriNetUnfolder]: For 264/283 co-relation queries the response was YES. [2021-04-28 23:00:11,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 115 events. 14/115 cut-off events. For 264/283 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 639 event pairs, 0 based on Foata normal form. 4/85 useless extension candidates. Maximal degree in co-relation 428. Up to 43 conditions per place. [2021-04-28 23:00:11,567 INFO L146 LiptonReduction]: Number of co-enabled transitions 180 [2021-04-28 23:00:11,570 INFO L158 LiptonReduction]: Checked pairs total: 87 [2021-04-28 23:00:11,571 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:00:11,571 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-04-28 23:00:11,572 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 43 transitions, 314 flow [2021-04-28 23:00:11,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 189.8) internal successors, (949), 5 states have internal predecessors, (949), 0 states have call successors, (0), 0 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 23:00:11,573 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:00:11,573 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:00:11,573 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 23:00:11,573 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:00:11,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:00:11,574 INFO L82 PathProgramCache]: Analyzing trace with hash -368878781, now seen corresponding path program 1 times [2021-04-28 23:00:11,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:00:11,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250231489] [2021-04-28 23:00:11,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:00:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:00:11,649 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 23:00:11,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 23:00:11,738 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-28 23:00:11,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 23:00:11,848 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-28 23:00:11,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-28 23:00:11,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:11,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 23:00:12,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:12,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 23:00:12,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:00:12,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 23:00:12,048 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 23:00:12,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250231489] [2021-04-28 23:00:12,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:00:12,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 23:00:12,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747999710] [2021-04-28 23:00:12,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-28 23:00:12,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:00:12,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-28 23:00:12,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-04-28 23:00:12,052 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 278 [2021-04-28 23:00:12,054 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 43 transitions, 314 flow. Second operand has 8 states, 8 states have (on average 151.125) internal successors, (1209), 8 states have internal predecessors, (1209), 0 states have call successors, (0), 0 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 23:00:12,054 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:00:12,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 278 [2021-04-28 23:00:12,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:00:12,538 INFO L129 PetriNetUnfolder]: 30/206 cut-off events. [2021-04-28 23:00:12,539 INFO L130 PetriNetUnfolder]: For 772/822 co-relation queries the response was YES. [2021-04-28 23:00:12,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 206 events. 30/206 cut-off events. For 772/822 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1385 event pairs, 0 based on Foata normal form. 32/174 useless extension candidates. Maximal degree in co-relation 860. Up to 82 conditions per place. [2021-04-28 23:00:12,540 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 11 selfloop transitions, 3 changer transitions 23/58 dead transitions. [2021-04-28 23:00:12,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 58 transitions, 484 flow [2021-04-28 23:00:12,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 23:00:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 23:00:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1375 transitions. [2021-04-28 23:00:12,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.549560351718625 [2021-04-28 23:00:12,553 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1375 transitions. [2021-04-28 23:00:12,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1375 transitions. [2021-04-28 23:00:12,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:00:12,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1375 transitions. [2021-04-28 23:00:12,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 152.77777777777777) internal successors, (1375), 9 states have internal predecessors, (1375), 0 states have call successors, (0), 0 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 23:00:12,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 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 23:00:12,565 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 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 23:00:12,565 INFO L185 Difference]: Start difference. First operand has 53 places, 43 transitions, 314 flow. Second operand 9 states and 1375 transitions. [2021-04-28 23:00:12,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 58 transitions, 484 flow [2021-04-28 23:00:12,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 58 transitions, 427 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-04-28 23:00:12,571 INFO L241 Difference]: Finished difference. Result has 59 places, 34 transitions, 210 flow [2021-04-28 23:00:12,571 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=210, PETRI_PLACES=59, PETRI_TRANSITIONS=34} [2021-04-28 23:00:12,572 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -54 predicate places. [2021-04-28 23:00:12,572 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:00:12,572 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 34 transitions, 210 flow [2021-04-28 23:00:12,572 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 34 transitions, 210 flow [2021-04-28 23:00:12,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 34 transitions, 210 flow [2021-04-28 23:00:12,592 INFO L129 PetriNetUnfolder]: 11/100 cut-off events. [2021-04-28 23:00:12,592 INFO L130 PetriNetUnfolder]: For 122/135 co-relation queries the response was YES. [2021-04-28 23:00:12,593 INFO L84 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 100 events. 11/100 cut-off events. For 122/135 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 495 event pairs, 0 based on Foata normal form. 4/76 useless extension candidates. Maximal degree in co-relation 302. Up to 43 conditions per place. [2021-04-28 23:00:12,594 INFO L146 LiptonReduction]: Number of co-enabled transitions 86 [2021-04-28 23:00:12,783 INFO L158 LiptonReduction]: Checked pairs total: 18 [2021-04-28 23:00:12,783 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 23:00:12,783 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 211 [2021-04-28 23:00:12,784 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 34 transitions, 216 flow [2021-04-28 23:00:12,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 151.125) internal successors, (1209), 8 states have internal predecessors, (1209), 0 states have call successors, (0), 0 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 23:00:12,785 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:00:12,785 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:00:12,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 23:00:12,785 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:00:12,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:00:12,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1756171699, now seen corresponding path program 1 times [2021-04-28 23:00:12,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:00:12,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181051218] [2021-04-28 23:00:12,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:00:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:00:12,841 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:00:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:00:12,894 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:00:12,962 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 23:00:12,963 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 23:00:12,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 23:00:13,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 11:00:13 BasicIcfg [2021-04-28 23:00:13,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 23:00:13,053 INFO L168 Benchmark]: Toolchain (without parser) took 139757.96 ms. Allocated memory was 310.4 MB in the beginning and 748.7 MB in the end (delta: 438.3 MB). Free memory was 283.2 MB in the beginning and 362.3 MB in the end (delta: -79.1 MB). Peak memory consumption was 362.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:00:13,053 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 310.4 MB. Free memory is still 278.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:00:13,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.66 ms. Allocated memory is still 310.4 MB. Free memory was 280.0 MB in the beginning and 274.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.0 GB. [2021-04-28 23:00:13,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.29 ms. Allocated memory is still 310.4 MB. Free memory was 274.7 MB in the beginning and 271.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-28 23:00:13,054 INFO L168 Benchmark]: Boogie Preprocessor took 70.14 ms. Allocated memory is still 310.4 MB. Free memory was 271.6 MB in the beginning and 269.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:00:13,055 INFO L168 Benchmark]: RCFGBuilder took 1976.64 ms. Allocated memory was 310.4 MB in the beginning and 385.9 MB in the end (delta: 75.5 MB). Free memory was 269.5 MB in the beginning and 319.3 MB in the end (delta: -49.8 MB). Peak memory consumption was 164.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:00:13,055 INFO L168 Benchmark]: TraceAbstraction took 136809.87 ms. Allocated memory was 385.9 MB in the beginning and 748.7 MB in the end (delta: 362.8 MB). Free memory was 319.3 MB in the beginning and 362.3 MB in the end (delta: -43.1 MB). Peak memory consumption was 319.7 MB. Max. memory is 16.0 GB. [2021-04-28 23:00:13,057 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 310.4 MB. Free memory is still 278.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 760.66 ms. Allocated memory is still 310.4 MB. Free memory was 280.0 MB in the beginning and 274.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 66.29 ms. Allocated memory is still 310.4 MB. Free memory was 274.7 MB in the beginning and 271.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 70.14 ms. Allocated memory is still 310.4 MB. Free memory was 271.6 MB in the beginning and 269.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1976.64 ms. Allocated memory was 310.4 MB in the beginning and 385.9 MB in the end (delta: 75.5 MB). Free memory was 269.5 MB in the beginning and 319.3 MB in the end (delta: -49.8 MB). Peak memory consumption was 164.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 136809.87 ms. Allocated memory was 385.9 MB in the beginning and 748.7 MB in the end (delta: 362.8 MB). Free memory was 319.3 MB in the beginning and 362.3 MB in the end (delta: -43.1 MB). Peak memory consumption was 319.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 127706.0ms, 87 PlacesBefore, 113 PlacesAfterwards, 82 TransitionsBefore, 108 TransitionsAfterwards, 1046 CoEnabledTransitionPairs, 8 FixpointIterations, 119 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 193 TotalNumberOfCompositions, 9587 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3031, positive: 2835, positive conditional: 2835, positive unconditional: 0, negative: 196, negative conditional: 196, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1255, positive: 1211, positive conditional: 0, positive unconditional: 1211, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1255, positive: 1211, positive conditional: 0, positive unconditional: 1211, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1255, positive: 1193, positive conditional: 0, positive unconditional: 1193, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 993, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 917, negative conditional: 0, negative unconditional: 917, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3031, positive: 1624, positive conditional: 1624, positive unconditional: 0, negative: 152, negative conditional: 152, negative unconditional: 0, unknown: 1255, unknown conditional: 1255, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1255, Positive cache size: 1211, Positive conditional cache size: 1211, Positive unconditional cache size: 0, Negative cache size: 44, Negative conditional cache size: 44, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 654.2ms, 110 PlacesBefore, 40 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 576 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 498 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 55, positive conditional: 55, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 20, positive conditional: 1, positive unconditional: 19, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32, positive: 20, positive conditional: 1, positive unconditional: 19, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 32, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 633, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 633, negative conditional: 146, negative unconditional: 487, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 79, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1287, Positive cache size: 1231, Positive conditional cache size: 1231, Positive unconditional cache size: 0, Negative cache size: 56, Negative conditional cache size: 56, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1045.0ms, 41 PlacesBefore, 29 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 206 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 502 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 43, negative conditional: 43, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, positive: 30, positive conditional: 11, positive unconditional: 19, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 41, positive: 30, positive conditional: 11, positive unconditional: 19, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 41, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 609, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 609, negative conditional: 63, negative unconditional: 546, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 153, positive: 80, positive conditional: 80, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1328, Positive cache size: 1261, Positive conditional cache size: 1261, Positive unconditional cache size: 0, Negative cache size: 67, Negative conditional cache size: 67, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 113.7ms, 32 PlacesBefore, 31 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 198 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 170 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 59, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 59, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1338, Positive cache size: 1267, Positive conditional cache size: 1267, Positive unconditional cache size: 0, Negative cache size: 71, Negative conditional cache size: 71, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.5ms, 37 PlacesBefore, 37 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 132 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1342, Positive cache size: 1270, Positive conditional cache size: 1270, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.1ms, 41 PlacesBefore, 41 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 202 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 148 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 84, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 4, positive unconditional: 5, 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: 9, positive: 9, positive conditional: 4, positive unconditional: 5, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 84, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1351, Positive cache size: 1279, Positive conditional cache size: 1279, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.0ms, 43 PlacesBefore, 43 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 202 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 166 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 105, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 8, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 8, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 105, positive: 85, positive conditional: 85, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1361, Positive cache size: 1288, Positive conditional cache size: 1288, Positive unconditional cache size: 0, Negative cache size: 73, Negative conditional cache size: 73, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.6ms, 49 PlacesBefore, 49 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 216 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 186 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1366, Positive cache size: 1292, Positive conditional cache size: 1292, Positive unconditional cache size: 0, Negative cache size: 74, Negative conditional cache size: 74, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.1ms, 47 PlacesBefore, 47 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 258 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 105 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 31, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1373, Positive cache size: 1298, Positive conditional cache size: 1298, Positive unconditional cache size: 0, Negative cache size: 75, Negative conditional cache size: 75, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.4ms, 55 PlacesBefore, 53 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 87 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1381, Positive cache size: 1306, Positive conditional cache size: 1306, Positive unconditional cache size: 0, Negative cache size: 75, Negative conditional cache size: 75, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 210.6ms, 59 PlacesBefore, 51 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 18 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 18, 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: 9, positive: 9, positive conditional: 9, 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: 9, positive: 9, positive conditional: 9, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 18, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1390, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 75, Negative conditional cache size: 75, 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: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L718] 0 int y = 0; [L719] 0 _Bool y$flush_delayed; [L720] 0 int y$mem_tmp; [L721] 0 _Bool y$r_buff0_thd0; [L722] 0 _Bool y$r_buff0_thd1; [L723] 0 _Bool y$r_buff0_thd2; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$read_delayed; [L728] 0 int *y$read_delayed_var; [L729] 0 int y$w_buff0; [L730] 0 _Bool y$w_buff0_used; [L731] 0 int y$w_buff1; [L732] 0 _Bool y$w_buff1_used; [L734] 0 int z = 0; [L735] 0 _Bool weak$$choice0; [L736] 0 _Bool weak$$choice2; [L802] 0 pthread_t t1611; [L803] FCALL, FORK 0 pthread_create(&t1611, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L804] 0 pthread_t t1612; [L805] FCALL, FORK 0 pthread_create(&t1612, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L760] 2 y$w_buff1 = y$w_buff0 [L761] 2 y$w_buff0 = 2 [L762] 2 y$w_buff1_used = y$w_buff0_used [L763] 2 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L765] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L766] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L767] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L768] 2 y$r_buff0_thd2 = (_Bool)1 [L771] 2 z = 1 [L774] 2 __unbuffered_p1_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L777] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L740] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L743] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L746] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L746] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L746] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L746] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L747] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L748] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L749] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L750] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L755] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L780] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L780] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L781] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L781] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L782] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L782] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L783] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L783] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L784] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L784] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; [L807] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L811] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L811] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L811] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L811] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L812] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L812] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L813] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L813] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L814] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L814] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L815] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L815] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L818] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L819] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L820] 0 y$flush_delayed = weak$$choice2 [L821] 0 y$mem_tmp = y [L822] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L822] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L823] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L823] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L824] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L824] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L825] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L825] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L826] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L826] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L827] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L828] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L828] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L829] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L830] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L830] 0 y = y$flush_delayed ? y$mem_tmp : y [L831] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 83 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 16.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 136600.8ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3253.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 127813.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 47 SDtfs, 30 SDslu, 19 SDs, 0 SdLazy, 309 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1135.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1491.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=314occurred in iteration=9, 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: 48.6ms SsaConstructionTime, 511.1ms SatisfiabilityAnalysisTime, 2127.4ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 674 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...