/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/mix047_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 21:41:03,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 21:41:03,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 21:41:03,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 21:41:03,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 21:41:03,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 21:41:03,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 21:41:03,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 21:41:03,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 21:41:04,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 21:41:04,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 21:41:04,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 21:41:04,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 21:41:04,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 21:41:04,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 21:41:04,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 21:41:04,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 21:41:04,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 21:41:04,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 21:41:04,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 21:41:04,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 21:41:04,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 21:41:04,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 21:41:04,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 21:41:04,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 21:41:04,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 21:41:04,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 21:41:04,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 21:41:04,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 21:41:04,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 21:41:04,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 21:41:04,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 21:41:04,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 21:41:04,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 21:41:04,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 21:41:04,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 21:41:04,056 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 21:41:04,082 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 21:41:04,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 21:41:04,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 21:41:04,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 21:41:04,085 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 21:41:04,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 21:41:04,085 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 21:41:04,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 21:41:04,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 21:41:04,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 21:41:04,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 21:41:04,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 21:41:04,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 21:41:04,086 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 21:41:04,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 21:41:04,087 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 21:41:04,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 21:41:04,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 21:41:04,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 21:41:04,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 21:41:04,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 21:41:04,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 21:41:04,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 21:41:04,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 21:41:04,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 21:41:04,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 21:41:04,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 21:41:04,089 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 21:41:04,090 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 21:41:04,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 21:41:04,090 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 21:41:04,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 21:41:04,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 21:41:04,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 21:41:04,543 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 21:41:04,543 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 21:41:04,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_tso.oepc.i [2021-04-28 21:41:04,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6657c6c58/56a0f278848c4c689a116bee53e5eba0/FLAGf0965f70c [2021-04-28 21:41:05,378 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 21:41:05,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_tso.oepc.i [2021-04-28 21:41:05,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6657c6c58/56a0f278848c4c689a116bee53e5eba0/FLAGf0965f70c [2021-04-28 21:41:05,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6657c6c58/56a0f278848c4c689a116bee53e5eba0 [2021-04-28 21:41:05,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 21:41:05,712 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 21:41:05,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 21:41:05,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 21:41:05,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 21:41:05,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:41:05" (1/1) ... [2021-04-28 21:41:05,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ecb773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:41:05, skipping insertion in model container [2021-04-28 21:41:05,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:41:05" (1/1) ... [2021-04-28 21:41:05,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 21:41:05,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 21:41:06,070 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/mix047_tso.oepc.i[949,962] [2021-04-28 21:41:06,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:41:06,334 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 21:41:06,349 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/mix047_tso.oepc.i[949,962] [2021-04-28 21:41:06,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:41:06,523 INFO L208 MainTranslator]: Completed translation [2021-04-28 21:41:06,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:41:06 WrapperNode [2021-04-28 21:41:06,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 21:41:06,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 21:41:06,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 21:41:06,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 21:41:06,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:41:06" (1/1) ... [2021-04-28 21:41:06,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:41:06" (1/1) ... [2021-04-28 21:41:06,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 21:41:06,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 21:41:06,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 21:41:06,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 21:41:06,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:41:06" (1/1) ... [2021-04-28 21:41:06,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:41:06" (1/1) ... [2021-04-28 21:41:06,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:41:06" (1/1) ... [2021-04-28 21:41:06,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:41:06" (1/1) ... [2021-04-28 21:41:06,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:41:06" (1/1) ... [2021-04-28 21:41:06,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:41:06" (1/1) ... [2021-04-28 21:41:06,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:41:06" (1/1) ... [2021-04-28 21:41:06,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 21:41:06,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 21:41:06,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 21:41:06,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 21:41:06,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:41:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 21:41:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 21:41:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 21:41:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 21:41:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 21:41:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 21:41:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 21:41:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 21:41:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 21:41:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 21:41:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 21:41:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 21:41:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 21:41:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 21:41:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 21:41:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 21:41:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 21:41:06,851 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 21:41:09,108 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 21:41:09,108 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 21:41:09,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:41:09 BoogieIcfgContainer [2021-04-28 21:41:09,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 21:41:09,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 21:41:09,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 21:41:09,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 21:41:09,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 09:41:05" (1/3) ... [2021-04-28 21:41:09,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6725e33c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:41:09, skipping insertion in model container [2021-04-28 21:41:09,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:41:06" (2/3) ... [2021-04-28 21:41:09,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6725e33c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:41:09, skipping insertion in model container [2021-04-28 21:41:09,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:41:09" (3/3) ... [2021-04-28 21:41:09,124 INFO L111 eAbstractionObserver]: Analyzing ICFG mix047_tso.oepc.i [2021-04-28 21:41:09,132 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 21:41:09,138 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 21:41:09,139 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 21:41:09,195 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,196 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,196 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,196 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,196 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,196 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,197 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,197 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,197 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,198 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,198 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,198 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,199 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,199 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,199 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,199 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,200 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,200 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,200 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,200 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,200 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,201 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,202 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,202 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,203 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,203 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,203 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,203 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,204 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,205 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,209 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,209 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,209 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,209 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,211 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,211 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,211 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,212 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,212 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,212 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,213 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,214 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,217 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,219 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,220 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,220 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,220 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,221 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,224 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,224 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,224 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,226 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,227 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,229 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,232 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,246 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,246 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,246 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,246 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,247 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,247 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,247 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,247 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,247 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,248 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,248 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,248 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:41:09,250 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 21:41:09,273 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 21:41:09,313 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 21:41:09,314 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 21:41:09,314 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 21:41:09,314 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 21:41:09,314 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 21:41:09,314 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 21:41:09,314 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 21:41:09,314 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 21:41:09,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2021-04-28 21:41:09,418 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-04-28 21:41:09,418 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:41:09,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 21:41:09,426 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 116 transitions, 252 flow [2021-04-28 21:41:09,434 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 112 transitions, 236 flow [2021-04-28 21:41:09,436 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:41:09,459 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 236 flow [2021-04-28 21:41:09,464 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 236 flow [2021-04-28 21:41:09,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 236 flow [2021-04-28 21:41:09,524 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-04-28 21:41:09,524 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:41:09,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 92 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 21:41:09,532 INFO L146 LiptonReduction]: Number of co-enabled transitions 2598 [2021-04-28 21:41:13,868 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 21:41:14,367 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:41:16,798 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 21:41:17,806 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 21:41:18,675 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 21:41:18,811 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:41:19,436 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2021-04-28 21:41:19,694 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 21:41:20,421 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 21:41:20,991 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-28 21:41:22,737 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 234 DAG size of output: 193 [2021-04-28 21:41:23,277 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 21:41:25,764 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 318 DAG size of output: 274 [2021-04-28 21:41:26,896 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 271 [2021-04-28 21:41:28,754 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 232 DAG size of output: 191 [2021-04-28 21:41:29,328 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 21:41:32,170 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 21:41:33,378 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:41:34,665 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 21:41:35,247 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:41:38,086 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 21:41:39,319 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:41:42,886 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-04-28 21:41:43,540 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:41:46,545 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 21:41:47,946 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:41:49,542 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 21:41:50,247 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:41:53,357 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 21:41:54,776 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:41:56,405 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-04-28 21:41:57,161 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 21:42:00,608 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 21:42:02,123 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:42:03,878 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 21:42:04,660 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:42:08,224 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 21:42:09,874 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:42:14,592 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 232 DAG size of output: 191 [2021-04-28 21:42:15,428 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 21:42:19,172 WARN L205 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 21:42:20,904 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:42:22,849 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 21:42:23,758 WARN L205 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:42:27,823 WARN L205 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 21:42:29,650 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:42:31,796 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-04-28 21:42:33,760 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2021-04-28 21:42:38,079 WARN L205 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 21:42:40,086 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:42:43,101 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:42:43,241 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:42:43,378 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:42:43,515 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:42:43,831 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:42:44,042 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 21:42:44,157 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 21:42:44,296 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 21:42:44,417 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 21:42:44,542 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:42:44,672 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:42:44,804 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:42:44,925 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:42:45,052 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:42:45,176 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:42:45,298 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:42:45,416 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:42:45,525 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:42:45,633 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:42:45,737 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:42:45,839 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:42:46,046 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:42:46,155 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:42:46,256 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:42:46,398 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:42:46,545 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:42:46,682 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:42:46,829 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:42:46,953 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:42:47,072 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:42:47,190 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:42:47,312 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:42:48,326 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 21:42:48,443 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 21:42:48,648 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-28 21:42:48,765 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 21:42:48,884 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 21:42:48,999 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 21:42:49,110 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 21:42:49,607 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:42:49,750 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:42:49,885 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:42:50,020 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:42:50,130 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 21:42:50,238 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 21:42:50,346 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 21:42:50,453 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 21:42:51,258 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:42:51,404 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:42:51,552 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:42:51,694 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:42:52,139 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:42:52,258 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:42:52,388 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:42:52,508 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:42:53,944 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:42:54,068 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:42:54,192 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:42:54,315 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:42:54,428 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:42:54,541 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:42:54,654 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:42:54,768 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:42:55,339 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:42:55,523 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:42:55,689 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:42:55,865 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:42:56,015 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:42:56,162 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:42:56,294 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:42:56,427 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:42:56,583 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:42:56,751 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:42:56,909 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:42:57,069 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:42:57,231 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:42:57,399 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:42:57,572 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:42:57,759 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:42:57,903 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:42:58,041 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:42:58,188 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:42:58,332 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:42:58,532 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:42:58,733 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:42:58,919 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:42:59,109 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:42:59,318 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:42:59,520 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:42:59,722 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:42:59,917 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:43:00,100 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:43:00,281 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:43:00,466 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:43:00,653 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:43:00,829 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:43:00,993 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:43:01,161 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:43:01,324 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:43:01,577 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 21:43:01,817 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 21:43:02,040 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 21:43:02,266 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 21:43:02,476 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:43:02,686 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:43:02,889 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:43:03,100 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:43:03,243 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:03,386 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:03,529 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:03,672 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:03,816 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:03,957 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:04,101 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:04,245 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:04,387 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:04,530 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:04,674 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:04,817 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:04,960 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:05,102 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:05,245 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:05,406 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:43:05,633 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:43:05,853 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:43:06,083 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:43:06,312 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:43:06,620 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:43:06,927 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:43:07,250 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:43:07,572 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:43:07,817 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:43:08,057 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:43:08,283 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:43:08,516 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:43:08,717 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:43:08,922 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:43:09,145 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:43:09,365 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:43:09,572 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:43:09,794 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:43:09,990 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:43:10,195 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:43:10,433 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:43:10,667 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:43:10,919 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:43:11,167 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:43:11,407 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:43:11,651 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:43:11,887 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:43:12,122 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:43:12,382 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:43:12,638 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:43:12,905 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:43:13,175 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:43:13,534 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:43:13,872 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:43:14,213 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:43:14,541 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:43:14,795 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:43:15,047 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:43:15,297 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:43:15,537 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:43:15,809 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:43:16,077 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:43:16,369 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:43:16,667 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:43:16,935 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:43:17,203 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:43:17,472 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:43:17,745 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:43:18,030 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:43:18,328 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:43:18,619 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:43:18,902 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:43:19,226 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:43:19,560 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:43:19,856 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:43:20,147 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:43:20,377 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:43:20,597 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:43:20,847 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:43:21,088 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:43:21,400 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:43:21,705 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:43:22,014 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:43:22,332 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:43:22,713 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:23,056 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:23,382 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:23,716 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:24,044 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:24,369 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:24,710 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:25,039 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:25,388 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:25,744 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:26,064 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:26,386 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:27,306 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 21:43:27,766 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 21:43:28,720 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 21:43:29,154 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 21:43:29,493 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:29,847 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:30,208 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:30,558 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:43:31,502 WARN L205 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 21:43:31,915 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 21:43:32,847 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 21:43:33,303 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 21:43:33,519 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:43:33,726 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:43:33,941 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:43:34,162 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:43:34,219 INFO L158 LiptonReduction]: Checked pairs total: 24978 [2021-04-28 21:43:34,220 INFO L160 LiptonReduction]: Total number of compositions: 259 [2021-04-28 21:43:34,225 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 144790 [2021-04-28 21:43:34,251 INFO L129 PetriNetUnfolder]: 0/89 cut-off events. [2021-04-28 21:43:34,252 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:43:34,252 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:43:34,253 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:43:34,253 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:43:34,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:43:34,258 INFO L82 PathProgramCache]: Analyzing trace with hash -2014205008, now seen corresponding path program 1 times [2021-04-28 21:43:34,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:43:34,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7756938] [2021-04-28 21:43:34,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:43:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:43:34,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:43:34,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:43:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:43:34,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7756938] [2021-04-28 21:43:34,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:43:34,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:43:34,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300372285] [2021-04-28 21:43:34,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:43:34,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:43:34,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:43:34,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:43:34,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 375 [2021-04-28 21:43:34,682 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 142 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:34,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:43:34,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 375 [2021-04-28 21:43:34,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:43:35,235 INFO L129 PetriNetUnfolder]: 212/678 cut-off events. [2021-04-28 21:43:35,235 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:43:35,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1083 conditions, 678 events. 212/678 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5282 event pairs, 16 based on Foata normal form. 10/308 useless extension candidates. Maximal degree in co-relation 1008. Up to 333 conditions per place. [2021-04-28 21:43:35,242 INFO L132 encePairwiseOnDemand]: 358/375 looper letters, 7 selfloop transitions, 4 changer transitions 102/154 dead transitions. [2021-04-28 21:43:35,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 154 transitions, 416 flow [2021-04-28 21:43:35,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:43:35,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:43:35,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 935 transitions. [2021-04-28 21:43:35,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8311111111111111 [2021-04-28 21:43:35,267 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 935 transitions. [2021-04-28 21:43:35,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 935 transitions. [2021-04-28 21:43:35,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:43:35,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 935 transitions. [2021-04-28 21:43:35,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:35,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 375.0) internal successors, (1500), 4 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:35,294 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 375.0) internal successors, (1500), 4 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:35,296 INFO L185 Difference]: Start difference. First operand has 153 places, 142 transitions, 296 flow. Second operand 3 states and 935 transitions. [2021-04-28 21:43:35,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 154 transitions, 416 flow [2021-04-28 21:43:35,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 154 transitions, 412 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 21:43:35,305 INFO L241 Difference]: Finished difference. Result has 148 places, 49 transitions, 114 flow [2021-04-28 21:43:35,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=375, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=148, PETRI_TRANSITIONS=49} [2021-04-28 21:43:35,308 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -5 predicate places. [2021-04-28 21:43:35,308 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:43:35,309 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 49 transitions, 114 flow [2021-04-28 21:43:35,309 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 49 transitions, 114 flow [2021-04-28 21:43:35,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 49 transitions, 114 flow [2021-04-28 21:43:35,318 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2021-04-28 21:43:35,318 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:43:35,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 49 events. 0/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 161 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 21:43:35,319 INFO L146 LiptonReduction]: Number of co-enabled transitions 1464 [2021-04-28 21:43:35,700 INFO L158 LiptonReduction]: Checked pairs total: 1426 [2021-04-28 21:43:35,701 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:43:35,701 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 393 [2021-04-28 21:43:35,703 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 49 transitions, 114 flow [2021-04-28 21:43:35,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:35,704 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:43:35,704 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:43:35,705 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 21:43:35,705 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:43:35,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:43:35,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1379295936, now seen corresponding path program 1 times [2021-04-28 21:43:35,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:43:35,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674823653] [2021-04-28 21:43:35,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:43:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:43:35,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:43:35,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:43:35,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:43:35,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674823653] [2021-04-28 21:43:35,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:43:35,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:43:35,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223460623] [2021-04-28 21:43:35,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:43:35,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:43:35,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:43:35,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:43:35,912 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 375 [2021-04-28 21:43:35,913 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 276.6666666666667) internal successors, (830), 3 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:35,914 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:43:35,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 375 [2021-04-28 21:43:35,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:43:35,946 INFO L129 PetriNetUnfolder]: 3/65 cut-off events. [2021-04-28 21:43:35,946 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:43:35,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 65 events. 3/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 230 event pairs, 1 based on Foata normal form. 1/39 useless extension candidates. Maximal degree in co-relation 81. Up to 10 conditions per place. [2021-04-28 21:43:35,948 INFO L132 encePairwiseOnDemand]: 371/375 looper letters, 3 selfloop transitions, 3 changer transitions 0/51 dead transitions. [2021-04-28 21:43:35,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 51 transitions, 130 flow [2021-04-28 21:43:35,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:43:35,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:43:35,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 835 transitions. [2021-04-28 21:43:35,954 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7422222222222222 [2021-04-28 21:43:35,954 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 835 transitions. [2021-04-28 21:43:35,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 835 transitions. [2021-04-28 21:43:35,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:43:35,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 835 transitions. [2021-04-28 21:43:35,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 278.3333333333333) internal successors, (835), 3 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:35,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 375.0) internal successors, (1500), 4 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:35,963 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 375.0) internal successors, (1500), 4 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:35,963 INFO L185 Difference]: Start difference. First operand has 60 places, 49 transitions, 114 flow. Second operand 3 states and 835 transitions. [2021-04-28 21:43:35,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 51 transitions, 130 flow [2021-04-28 21:43:35,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 51 transitions, 122 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:43:35,966 INFO L241 Difference]: Finished difference. Result has 61 places, 51 transitions, 125 flow [2021-04-28 21:43:35,966 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=375, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=125, PETRI_PLACES=61, PETRI_TRANSITIONS=51} [2021-04-28 21:43:35,966 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -92 predicate places. [2021-04-28 21:43:35,967 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:43:35,967 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 51 transitions, 125 flow [2021-04-28 21:43:35,967 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 51 transitions, 125 flow [2021-04-28 21:43:35,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 51 transitions, 125 flow [2021-04-28 21:43:35,977 INFO L129 PetriNetUnfolder]: 3/61 cut-off events. [2021-04-28 21:43:35,977 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:43:35,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 61 events. 3/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 236 event pairs, 1 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 76. Up to 10 conditions per place. [2021-04-28 21:43:35,979 INFO L146 LiptonReduction]: Number of co-enabled transitions 1574 [2021-04-28 21:43:36,324 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:43:36,433 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:43:36,520 INFO L158 LiptonReduction]: Checked pairs total: 2266 [2021-04-28 21:43:36,520 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 21:43:36,520 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 553 [2021-04-28 21:43:36,522 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 51 transitions, 125 flow [2021-04-28 21:43:36,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 276.6666666666667) internal successors, (830), 3 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:36,523 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:43:36,524 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:43:36,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 21:43:36,524 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:43:36,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:43:36,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1976607963, now seen corresponding path program 1 times [2021-04-28 21:43:36,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:43:36,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710423708] [2021-04-28 21:43:36,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:43:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:43:36,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:43:36,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:43:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:43:36,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710423708] [2021-04-28 21:43:36,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:43:36,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:43:36,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224106309] [2021-04-28 21:43:36,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:43:36,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:43:36,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:43:36,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:43:36,637 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 376 [2021-04-28 21:43:36,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 51 transitions, 125 flow. Second operand has 3 states, 3 states have (on average 273.6666666666667) internal successors, (821), 3 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:36,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:43:36,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 376 [2021-04-28 21:43:36,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:43:36,677 INFO L129 PetriNetUnfolder]: 10/92 cut-off events. [2021-04-28 21:43:36,677 INFO L130 PetriNetUnfolder]: For 8/17 co-relation queries the response was YES. [2021-04-28 21:43:36,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 92 events. 10/92 cut-off events. For 8/17 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 396 event pairs, 3 based on Foata normal form. 1/55 useless extension candidates. Maximal degree in co-relation 131. Up to 19 conditions per place. [2021-04-28 21:43:36,680 INFO L132 encePairwiseOnDemand]: 372/376 looper letters, 3 selfloop transitions, 3 changer transitions 0/53 dead transitions. [2021-04-28 21:43:36,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 53 transitions, 141 flow [2021-04-28 21:43:36,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:43:36,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:43:36,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 826 transitions. [2021-04-28 21:43:36,687 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7322695035460993 [2021-04-28 21:43:36,687 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 826 transitions. [2021-04-28 21:43:36,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 826 transitions. [2021-04-28 21:43:36,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:43:36,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 826 transitions. [2021-04-28 21:43:36,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 275.3333333333333) internal successors, (826), 3 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:36,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 376.0) internal successors, (1504), 4 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:36,696 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 376.0) internal successors, (1504), 4 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:36,696 INFO L185 Difference]: Start difference. First operand has 61 places, 51 transitions, 125 flow. Second operand 3 states and 826 transitions. [2021-04-28 21:43:36,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 53 transitions, 141 flow [2021-04-28 21:43:36,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 53 transitions, 138 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:43:36,701 INFO L241 Difference]: Finished difference. Result has 63 places, 53 transitions, 141 flow [2021-04-28 21:43:36,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=63, PETRI_TRANSITIONS=53} [2021-04-28 21:43:36,701 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -90 predicate places. [2021-04-28 21:43:36,702 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:43:36,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 53 transitions, 141 flow [2021-04-28 21:43:36,703 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 53 transitions, 141 flow [2021-04-28 21:43:36,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 53 transitions, 141 flow [2021-04-28 21:43:36,776 INFO L129 PetriNetUnfolder]: 10/92 cut-off events. [2021-04-28 21:43:36,776 INFO L130 PetriNetUnfolder]: For 7/13 co-relation queries the response was YES. [2021-04-28 21:43:36,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 92 events. 10/92 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 391 event pairs, 3 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 130. Up to 19 conditions per place. [2021-04-28 21:43:36,780 INFO L146 LiptonReduction]: Number of co-enabled transitions 1696 [2021-04-28 21:43:36,829 INFO L158 LiptonReduction]: Checked pairs total: 839 [2021-04-28 21:43:36,830 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:43:36,830 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 128 [2021-04-28 21:43:36,834 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 53 transitions, 141 flow [2021-04-28 21:43:36,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 273.6666666666667) internal successors, (821), 3 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:36,835 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:43:36,835 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:43:36,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 21:43:36,835 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:43:36,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:43:36,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1641569529, now seen corresponding path program 1 times [2021-04-28 21:43:36,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:43:36,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218726509] [2021-04-28 21:43:36,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:43:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:43:37,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:43:37,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:43:37,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:43:37,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218726509] [2021-04-28 21:43:37,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:43:37,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:43:37,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861129118] [2021-04-28 21:43:37,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:43:37,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:43:37,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:43:37,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:43:37,015 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 376 [2021-04-28 21:43:37,016 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 53 transitions, 141 flow. Second operand has 3 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:37,016 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:43:37,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 376 [2021-04-28 21:43:37,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:43:37,045 INFO L129 PetriNetUnfolder]: 10/92 cut-off events. [2021-04-28 21:43:37,045 INFO L130 PetriNetUnfolder]: For 50/62 co-relation queries the response was YES. [2021-04-28 21:43:37,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 92 events. 10/92 cut-off events. For 50/62 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 395 event pairs, 3 based on Foata normal form. 2/57 useless extension candidates. Maximal degree in co-relation 138. Up to 19 conditions per place. [2021-04-28 21:43:37,047 INFO L132 encePairwiseOnDemand]: 373/376 looper letters, 1 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2021-04-28 21:43:37,047 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 53 transitions, 147 flow [2021-04-28 21:43:37,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:43:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:43:37,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 787 transitions. [2021-04-28 21:43:37,053 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6976950354609929 [2021-04-28 21:43:37,053 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 787 transitions. [2021-04-28 21:43:37,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 787 transitions. [2021-04-28 21:43:37,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:43:37,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 787 transitions. [2021-04-28 21:43:37,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:37,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 376.0) internal successors, (1504), 4 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:37,061 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 376.0) internal successors, (1504), 4 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:37,061 INFO L185 Difference]: Start difference. First operand has 63 places, 53 transitions, 141 flow. Second operand 3 states and 787 transitions. [2021-04-28 21:43:37,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 53 transitions, 147 flow [2021-04-28 21:43:37,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 53 transitions, 144 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:43:37,064 INFO L241 Difference]: Finished difference. Result has 65 places, 53 transitions, 146 flow [2021-04-28 21:43:37,064 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=65, PETRI_TRANSITIONS=53} [2021-04-28 21:43:37,064 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -88 predicate places. [2021-04-28 21:43:37,064 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:43:37,064 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 53 transitions, 146 flow [2021-04-28 21:43:37,065 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 53 transitions, 146 flow [2021-04-28 21:43:37,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 53 transitions, 146 flow [2021-04-28 21:43:37,079 INFO L129 PetriNetUnfolder]: 7/83 cut-off events. [2021-04-28 21:43:37,079 INFO L130 PetriNetUnfolder]: For 17/19 co-relation queries the response was YES. [2021-04-28 21:43:37,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 83 events. 7/83 cut-off events. For 17/19 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 361 event pairs, 3 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 123. Up to 15 conditions per place. [2021-04-28 21:43:37,082 INFO L146 LiptonReduction]: Number of co-enabled transitions 1686 [2021-04-28 21:43:37,290 INFO L158 LiptonReduction]: Checked pairs total: 769 [2021-04-28 21:43:37,291 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:43:37,291 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 227 [2021-04-28 21:43:37,292 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 53 transitions, 146 flow [2021-04-28 21:43:37,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:37,293 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:43:37,293 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:43:37,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 21:43:37,294 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:43:37,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:43:37,294 INFO L82 PathProgramCache]: Analyzing trace with hash 650956775, now seen corresponding path program 1 times [2021-04-28 21:43:37,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:43:37,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486930153] [2021-04-28 21:43:37,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:43:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:43:37,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:43:37,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:43:37,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:43:37,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:43:37,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:43:37,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486930153] [2021-04-28 21:43:37,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:43:37,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 21:43:37,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204372648] [2021-04-28 21:43:37,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:43:37,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:43:37,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:43:37,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:43:37,371 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 376 [2021-04-28 21:43:37,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 53 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:37,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:43:37,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 376 [2021-04-28 21:43:37,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:43:37,412 INFO L129 PetriNetUnfolder]: 4/90 cut-off events. [2021-04-28 21:43:37,413 INFO L130 PetriNetUnfolder]: For 46/79 co-relation queries the response was YES. [2021-04-28 21:43:37,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 90 events. 4/90 cut-off events. For 46/79 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 440 event pairs, 1 based on Foata normal form. 2/53 useless extension candidates. Maximal degree in co-relation 141. Up to 15 conditions per place. [2021-04-28 21:43:37,414 INFO L132 encePairwiseOnDemand]: 373/376 looper letters, 3 selfloop transitions, 3 changer transitions 0/53 dead transitions. [2021-04-28 21:43:37,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 53 transitions, 158 flow [2021-04-28 21:43:37,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:43:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:43:37,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 837 transitions. [2021-04-28 21:43:37,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7420212765957447 [2021-04-28 21:43:37,420 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 837 transitions. [2021-04-28 21:43:37,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 837 transitions. [2021-04-28 21:43:37,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:43:37,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 837 transitions. [2021-04-28 21:43:37,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:37,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 376.0) internal successors, (1504), 4 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:37,429 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 376.0) internal successors, (1504), 4 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:37,430 INFO L185 Difference]: Start difference. First operand has 65 places, 53 transitions, 146 flow. Second operand 3 states and 837 transitions. [2021-04-28 21:43:37,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 53 transitions, 158 flow [2021-04-28 21:43:37,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 53 transitions, 154 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:43:37,432 INFO L241 Difference]: Finished difference. Result has 66 places, 53 transitions, 153 flow [2021-04-28 21:43:37,433 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=153, PETRI_PLACES=66, PETRI_TRANSITIONS=53} [2021-04-28 21:43:37,433 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -87 predicate places. [2021-04-28 21:43:37,433 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:43:37,433 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 53 transitions, 153 flow [2021-04-28 21:43:37,434 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 53 transitions, 153 flow [2021-04-28 21:43:37,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 53 transitions, 153 flow [2021-04-28 21:43:37,447 INFO L129 PetriNetUnfolder]: 4/81 cut-off events. [2021-04-28 21:43:37,447 INFO L130 PetriNetUnfolder]: For 31/38 co-relation queries the response was YES. [2021-04-28 21:43:37,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 81 events. 4/81 cut-off events. For 31/38 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 370 event pairs, 2 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 123. Up to 13 conditions per place. [2021-04-28 21:43:37,450 INFO L146 LiptonReduction]: Number of co-enabled transitions 1684 [2021-04-28 21:43:37,684 INFO L158 LiptonReduction]: Checked pairs total: 769 [2021-04-28 21:43:37,684 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:43:37,684 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 251 [2021-04-28 21:43:37,685 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 53 transitions, 153 flow [2021-04-28 21:43:37,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:37,686 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:43:37,686 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:43:37,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 21:43:37,687 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:43:37,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:43:37,687 INFO L82 PathProgramCache]: Analyzing trace with hash 2043110196, now seen corresponding path program 1 times [2021-04-28 21:43:37,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:43:37,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328671416] [2021-04-28 21:43:37,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:43:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:43:37,785 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-04-28 21:43:37,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:43:37,815 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-04-28 21:43:37,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-28 21:43:37,876 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 21:43:37,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 21:43:37,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:43:37,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328671416] [2021-04-28 21:43:37,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:43:37,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:43:37,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376658887] [2021-04-28 21:43:37,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:43:37,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:43:37,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:43:37,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:43:37,953 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 376 [2021-04-28 21:43:37,955 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 53 transitions, 153 flow. Second operand has 5 states, 5 states have (on average 236.8) internal successors, (1184), 5 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:37,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:43:37,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 376 [2021-04-28 21:43:37,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:43:38,213 INFO L129 PetriNetUnfolder]: 137/407 cut-off events. [2021-04-28 21:43:38,213 INFO L130 PetriNetUnfolder]: For 259/317 co-relation queries the response was YES. [2021-04-28 21:43:38,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 822 conditions, 407 events. 137/407 cut-off events. For 259/317 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2679 event pairs, 51 based on Foata normal form. 3/253 useless extension candidates. Maximal degree in co-relation 808. Up to 217 conditions per place. [2021-04-28 21:43:38,220 INFO L132 encePairwiseOnDemand]: 369/376 looper letters, 11 selfloop transitions, 8 changer transitions 0/62 dead transitions. [2021-04-28 21:43:38,221 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 62 transitions, 210 flow [2021-04-28 21:43:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:43:38,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:43:38,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 962 transitions. [2021-04-28 21:43:38,228 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6396276595744681 [2021-04-28 21:43:38,228 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 962 transitions. [2021-04-28 21:43:38,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 962 transitions. [2021-04-28 21:43:38,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:43:38,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 962 transitions. [2021-04-28 21:43:38,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 240.5) internal successors, (962), 4 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:38,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 376.0) internal successors, (1880), 5 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:38,238 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 376.0) internal successors, (1880), 5 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:38,238 INFO L185 Difference]: Start difference. First operand has 66 places, 53 transitions, 153 flow. Second operand 4 states and 962 transitions. [2021-04-28 21:43:38,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 62 transitions, 210 flow [2021-04-28 21:43:38,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 62 transitions, 205 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 21:43:38,243 INFO L241 Difference]: Finished difference. Result has 70 places, 60 transitions, 205 flow [2021-04-28 21:43:38,243 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=205, PETRI_PLACES=70, PETRI_TRANSITIONS=60} [2021-04-28 21:43:38,243 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -83 predicate places. [2021-04-28 21:43:38,243 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:43:38,244 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 60 transitions, 205 flow [2021-04-28 21:43:38,244 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 60 transitions, 205 flow [2021-04-28 21:43:38,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 60 transitions, 205 flow [2021-04-28 21:43:38,274 INFO L129 PetriNetUnfolder]: 23/164 cut-off events. [2021-04-28 21:43:38,274 INFO L130 PetriNetUnfolder]: For 161/178 co-relation queries the response was YES. [2021-04-28 21:43:38,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 164 events. 23/164 cut-off events. For 161/178 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 954 event pairs, 9 based on Foata normal form. 1/87 useless extension candidates. Maximal degree in co-relation 316. Up to 30 conditions per place. [2021-04-28 21:43:38,282 INFO L146 LiptonReduction]: Number of co-enabled transitions 2022 [2021-04-28 21:43:38,401 INFO L158 LiptonReduction]: Checked pairs total: 518 [2021-04-28 21:43:38,402 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:43:38,402 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 159 [2021-04-28 21:43:38,403 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 60 transitions, 205 flow [2021-04-28 21:43:38,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 236.8) internal successors, (1184), 5 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:38,404 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:43:38,404 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:43:38,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 21:43:38,405 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:43:38,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:43:38,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1317164318, now seen corresponding path program 1 times [2021-04-28 21:43:38,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:43:38,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550784706] [2021-04-28 21:43:38,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:43:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:43:38,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:43:38,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:43:38,537 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-28 21:43:38,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-28 21:43:38,613 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 21:43:38,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 21:43:38,705 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-04-28 21:43:38,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-28 21:43:38,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:43:38,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550784706] [2021-04-28 21:43:38,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:43:38,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:43:38,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626592325] [2021-04-28 21:43:38,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:43:38,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:43:38,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:43:38,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:43:38,817 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 376 [2021-04-28 21:43:38,818 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 60 transitions, 205 flow. Second operand has 6 states, 6 states have (on average 236.83333333333334) internal successors, (1421), 6 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:38,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:43:38,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 376 [2021-04-28 21:43:38,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:43:39,188 INFO L129 PetriNetUnfolder]: 167/467 cut-off events. [2021-04-28 21:43:39,189 INFO L130 PetriNetUnfolder]: For 350/408 co-relation queries the response was YES. [2021-04-28 21:43:39,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1142 conditions, 467 events. 167/467 cut-off events. For 350/408 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3048 event pairs, 12 based on Foata normal form. 9/310 useless extension candidates. Maximal degree in co-relation 1125. Up to 229 conditions per place. [2021-04-28 21:43:39,197 INFO L132 encePairwiseOnDemand]: 367/376 looper letters, 10 selfloop transitions, 18 changer transitions 0/71 dead transitions. [2021-04-28 21:43:39,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 71 transitions, 294 flow [2021-04-28 21:43:39,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:43:39,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:43:39,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1201 transitions. [2021-04-28 21:43:39,204 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6388297872340426 [2021-04-28 21:43:39,204 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1201 transitions. [2021-04-28 21:43:39,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1201 transitions. [2021-04-28 21:43:39,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:43:39,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1201 transitions. [2021-04-28 21:43:39,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 240.2) internal successors, (1201), 5 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:39,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 376.0) internal successors, (2256), 6 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:39,214 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 376.0) internal successors, (2256), 6 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:39,214 INFO L185 Difference]: Start difference. First operand has 70 places, 60 transitions, 205 flow. Second operand 5 states and 1201 transitions. [2021-04-28 21:43:39,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 71 transitions, 294 flow [2021-04-28 21:43:39,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 71 transitions, 294 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 21:43:39,218 INFO L241 Difference]: Finished difference. Result has 76 places, 68 transitions, 291 flow [2021-04-28 21:43:39,219 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=291, PETRI_PLACES=76, PETRI_TRANSITIONS=68} [2021-04-28 21:43:39,219 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -77 predicate places. [2021-04-28 21:43:39,219 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:43:39,219 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 68 transitions, 291 flow [2021-04-28 21:43:39,220 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 68 transitions, 291 flow [2021-04-28 21:43:39,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 68 transitions, 291 flow [2021-04-28 21:43:39,299 INFO L129 PetriNetUnfolder]: 89/372 cut-off events. [2021-04-28 21:43:39,299 INFO L130 PetriNetUnfolder]: For 592/618 co-relation queries the response was YES. [2021-04-28 21:43:39,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 960 conditions, 372 events. 89/372 cut-off events. For 592/618 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2711 event pairs, 30 based on Foata normal form. 2/196 useless extension candidates. Maximal degree in co-relation 941. Up to 109 conditions per place. [2021-04-28 21:43:39,313 INFO L146 LiptonReduction]: Number of co-enabled transitions 2388 [2021-04-28 21:43:39,321 INFO L158 LiptonReduction]: Checked pairs total: 318 [2021-04-28 21:43:39,321 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:43:39,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 102 [2021-04-28 21:43:39,323 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 68 transitions, 291 flow [2021-04-28 21:43:39,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 236.83333333333334) internal successors, (1421), 6 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:39,324 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:43:39,324 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:43:39,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 21:43:39,324 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:43:39,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:43:39,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1385992094, now seen corresponding path program 2 times [2021-04-28 21:43:39,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:43:39,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506009739] [2021-04-28 21:43:39,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:43:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:43:39,411 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-28 21:43:39,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-28 21:43:39,505 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-28 21:43:39,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-28 21:43:39,612 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-28 21:43:39,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-28 21:43:39,678 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-28 21:43:39,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-28 21:43:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:43:39,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506009739] [2021-04-28 21:43:39,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:43:39,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:43:39,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890204475] [2021-04-28 21:43:39,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:43:39,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:43:39,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:43:39,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:43:39,781 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 376 [2021-04-28 21:43:39,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 68 transitions, 291 flow. Second operand has 6 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:39,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:43:39,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 376 [2021-04-28 21:43:39,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:43:40,166 INFO L129 PetriNetUnfolder]: 167/529 cut-off events. [2021-04-28 21:43:40,166 INFO L130 PetriNetUnfolder]: For 832/914 co-relation queries the response was YES. [2021-04-28 21:43:40,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1697 conditions, 529 events. 167/529 cut-off events. For 832/914 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 3792 event pairs, 18 based on Foata normal form. 16/367 useless extension candidates. Maximal degree in co-relation 1676. Up to 253 conditions per place. [2021-04-28 21:43:40,177 INFO L132 encePairwiseOnDemand]: 367/376 looper letters, 14 selfloop transitions, 19 changer transitions 0/76 dead transitions. [2021-04-28 21:43:40,178 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 76 transitions, 399 flow [2021-04-28 21:43:40,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:43:40,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:43:40,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1175 transitions. [2021-04-28 21:43:40,186 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.625 [2021-04-28 21:43:40,186 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1175 transitions. [2021-04-28 21:43:40,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1175 transitions. [2021-04-28 21:43:40,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:43:40,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1175 transitions. [2021-04-28 21:43:40,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 235.0) internal successors, (1175), 5 states have internal predecessors, (1175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:40,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 376.0) internal successors, (2256), 6 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:40,195 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 376.0) internal successors, (2256), 6 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:40,195 INFO L185 Difference]: Start difference. First operand has 76 places, 68 transitions, 291 flow. Second operand 5 states and 1175 transitions. [2021-04-28 21:43:40,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 76 transitions, 399 flow [2021-04-28 21:43:40,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 76 transitions, 374 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-04-28 21:43:40,201 INFO L241 Difference]: Finished difference. Result has 80 places, 73 transitions, 357 flow [2021-04-28 21:43:40,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=357, PETRI_PLACES=80, PETRI_TRANSITIONS=73} [2021-04-28 21:43:40,202 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -73 predicate places. [2021-04-28 21:43:40,202 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:43:40,202 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 73 transitions, 357 flow [2021-04-28 21:43:40,202 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 73 transitions, 357 flow [2021-04-28 21:43:40,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 73 transitions, 357 flow [2021-04-28 21:43:40,284 INFO L129 PetriNetUnfolder]: 99/413 cut-off events. [2021-04-28 21:43:40,284 INFO L130 PetriNetUnfolder]: For 755/810 co-relation queries the response was YES. [2021-04-28 21:43:40,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1152 conditions, 413 events. 99/413 cut-off events. For 755/810 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3026 event pairs, 19 based on Foata normal form. 11/250 useless extension candidates. Maximal degree in co-relation 1131. Up to 143 conditions per place. [2021-04-28 21:43:40,301 INFO L146 LiptonReduction]: Number of co-enabled transitions 2544 [2021-04-28 21:43:40,310 INFO L158 LiptonReduction]: Checked pairs total: 465 [2021-04-28 21:43:40,310 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:43:40,311 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 109 [2021-04-28 21:43:40,312 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 73 transitions, 357 flow [2021-04-28 21:43:40,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:40,314 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:43:40,314 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:43:40,314 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 21:43:40,314 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:43:40,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:43:40,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1148124334, now seen corresponding path program 3 times [2021-04-28 21:43:40,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:43:40,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857653922] [2021-04-28 21:43:40,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:43:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:43:40,445 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-04-28 21:43:40,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:43:40,470 INFO L142 QuantifierPusher]: treesize reduction 40, result has 52.4 percent of original size [2021-04-28 21:43:40,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-28 21:43:40,529 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-04-28 21:43:40,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-28 21:43:40,598 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 21:43:40,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 21:43:40,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:43:40,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857653922] [2021-04-28 21:43:40,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:43:40,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:43:40,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034170150] [2021-04-28 21:43:40,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:43:40,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:43:40,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:43:40,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:43:40,686 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 376 [2021-04-28 21:43:40,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 73 transitions, 357 flow. Second operand has 6 states, 6 states have (on average 236.83333333333334) internal successors, (1421), 6 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:40,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:43:40,689 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 376 [2021-04-28 21:43:40,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:43:41,144 INFO L129 PetriNetUnfolder]: 150/579 cut-off events. [2021-04-28 21:43:41,144 INFO L130 PetriNetUnfolder]: For 1160/1230 co-relation queries the response was YES. [2021-04-28 21:43:41,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1973 conditions, 579 events. 150/579 cut-off events. For 1160/1230 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 4668 event pairs, 4 based on Foata normal form. 18/390 useless extension candidates. Maximal degree in co-relation 1950. Up to 219 conditions per place. [2021-04-28 21:43:41,157 INFO L132 encePairwiseOnDemand]: 368/376 looper letters, 12 selfloop transitions, 24 changer transitions 0/79 dead transitions. [2021-04-28 21:43:41,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 79 transitions, 471 flow [2021-04-28 21:43:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 21:43:41,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 21:43:41,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1436 transitions. [2021-04-28 21:43:41,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6365248226950354 [2021-04-28 21:43:41,167 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1436 transitions. [2021-04-28 21:43:41,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1436 transitions. [2021-04-28 21:43:41,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:43:41,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1436 transitions. [2021-04-28 21:43:41,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:41,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 376.0) internal successors, (2632), 7 states have internal predecessors, (2632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:41,180 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 376.0) internal successors, (2632), 7 states have internal predecessors, (2632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:41,180 INFO L185 Difference]: Start difference. First operand has 80 places, 73 transitions, 357 flow. Second operand 6 states and 1436 transitions. [2021-04-28 21:43:41,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 79 transitions, 471 flow [2021-04-28 21:43:41,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 79 transitions, 435 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-04-28 21:43:41,191 INFO L241 Difference]: Finished difference. Result has 83 places, 75 transitions, 409 flow [2021-04-28 21:43:41,192 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=409, PETRI_PLACES=83, PETRI_TRANSITIONS=75} [2021-04-28 21:43:41,192 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -70 predicate places. [2021-04-28 21:43:41,192 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:43:41,192 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 75 transitions, 409 flow [2021-04-28 21:43:41,193 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 75 transitions, 409 flow [2021-04-28 21:43:41,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 75 transitions, 409 flow [2021-04-28 21:43:41,274 INFO L129 PetriNetUnfolder]: 92/401 cut-off events. [2021-04-28 21:43:41,274 INFO L130 PetriNetUnfolder]: For 771/824 co-relation queries the response was YES. [2021-04-28 21:43:41,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1242 conditions, 401 events. 92/401 cut-off events. For 771/824 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3008 event pairs, 17 based on Foata normal form. 5/241 useless extension candidates. Maximal degree in co-relation 1221. Up to 141 conditions per place. [2021-04-28 21:43:41,293 INFO L146 LiptonReduction]: Number of co-enabled transitions 2650 [2021-04-28 21:43:41,304 INFO L158 LiptonReduction]: Checked pairs total: 514 [2021-04-28 21:43:41,305 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:43:41,305 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 113 [2021-04-28 21:43:41,306 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 75 transitions, 409 flow [2021-04-28 21:43:41,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 236.83333333333334) internal successors, (1421), 6 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:41,307 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:43:41,307 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:43:41,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 21:43:41,308 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:43:41,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:43:41,308 INFO L82 PathProgramCache]: Analyzing trace with hash -941197913, now seen corresponding path program 1 times [2021-04-28 21:43:41,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:43:41,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521169934] [2021-04-28 21:43:41,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:43:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:43:41,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:43:41,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:43:41,481 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 21:43:41,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 21:43:41,565 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-28 21:43:41,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 21:43:41,659 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-28 21:43:41,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-28 21:43:41,761 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 21:43:41,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 21:43:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:43:41,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521169934] [2021-04-28 21:43:41,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:43:41,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:43:41,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418847790] [2021-04-28 21:43:41,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:43:41,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:43:41,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:43:41,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:43:41,852 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 376 [2021-04-28 21:43:41,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 75 transitions, 409 flow. Second operand has 7 states, 7 states have (on average 222.85714285714286) internal successors, (1560), 7 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:41,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:43:41,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 376 [2021-04-28 21:43:41,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:43:42,299 INFO L129 PetriNetUnfolder]: 144/669 cut-off events. [2021-04-28 21:43:42,299 INFO L130 PetriNetUnfolder]: For 1155/1233 co-relation queries the response was YES. [2021-04-28 21:43:42,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2320 conditions, 669 events. 144/669 cut-off events. For 1155/1233 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 5891 event pairs, 7 based on Foata normal form. 13/426 useless extension candidates. Maximal degree in co-relation 2297. Up to 286 conditions per place. [2021-04-28 21:43:42,313 INFO L132 encePairwiseOnDemand]: 367/376 looper letters, 17 selfloop transitions, 20 changer transitions 0/80 dead transitions. [2021-04-28 21:43:42,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 80 transitions, 519 flow [2021-04-28 21:43:42,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:43:42,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:43:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1131 transitions. [2021-04-28 21:43:42,321 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6015957446808511 [2021-04-28 21:43:42,321 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1131 transitions. [2021-04-28 21:43:42,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1131 transitions. [2021-04-28 21:43:42,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:43:42,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1131 transitions. [2021-04-28 21:43:42,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 226.2) internal successors, (1131), 5 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:42,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 376.0) internal successors, (2256), 6 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:42,331 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 376.0) internal successors, (2256), 6 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:42,331 INFO L185 Difference]: Start difference. First operand has 83 places, 75 transitions, 409 flow. Second operand 5 states and 1131 transitions. [2021-04-28 21:43:42,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 80 transitions, 519 flow [2021-04-28 21:43:42,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 80 transitions, 491 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-04-28 21:43:42,342 INFO L241 Difference]: Finished difference. Result has 85 places, 78 transitions, 459 flow [2021-04-28 21:43:42,342 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=459, PETRI_PLACES=85, PETRI_TRANSITIONS=78} [2021-04-28 21:43:42,342 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -68 predicate places. [2021-04-28 21:43:42,342 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:43:42,342 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 78 transitions, 459 flow [2021-04-28 21:43:42,343 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 78 transitions, 459 flow [2021-04-28 21:43:42,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 78 transitions, 459 flow [2021-04-28 21:43:42,445 INFO L129 PetriNetUnfolder]: 85/449 cut-off events. [2021-04-28 21:43:42,446 INFO L130 PetriNetUnfolder]: For 977/1049 co-relation queries the response was YES. [2021-04-28 21:43:42,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1422 conditions, 449 events. 85/449 cut-off events. For 977/1049 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 3646 event pairs, 11 based on Foata normal form. 16/274 useless extension candidates. Maximal degree in co-relation 1400. Up to 153 conditions per place. [2021-04-28 21:43:42,464 INFO L146 LiptonReduction]: Number of co-enabled transitions 2770 [2021-04-28 21:43:42,519 INFO L158 LiptonReduction]: Checked pairs total: 678 [2021-04-28 21:43:42,519 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:43:42,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-04-28 21:43:42,521 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 78 transitions, 459 flow [2021-04-28 21:43:42,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 222.85714285714286) internal successors, (1560), 7 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:42,523 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:43:42,523 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:43:42,523 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 21:43:42,523 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:43:42,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:43:42,524 INFO L82 PathProgramCache]: Analyzing trace with hash -991351281, now seen corresponding path program 2 times [2021-04-28 21:43:42,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:43:42,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606686131] [2021-04-28 21:43:42,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:43:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:43:42,675 INFO L142 QuantifierPusher]: treesize reduction 30, result has 34.8 percent of original size [2021-04-28 21:43:42,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 21:43:42,709 INFO L142 QuantifierPusher]: treesize reduction 30, result has 38.8 percent of original size [2021-04-28 21:43:42,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 21:43:42,752 INFO L142 QuantifierPusher]: treesize reduction 40, result has 60.4 percent of original size [2021-04-28 21:43:42,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-04-28 21:43:42,861 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-28 21:43:42,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-28 21:43:42,979 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.6 percent of original size [2021-04-28 21:43:42,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-28 21:43:43,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:43:43,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606686131] [2021-04-28 21:43:43,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:43:43,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:43:43,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28667808] [2021-04-28 21:43:43,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:43:43,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:43:43,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:43:43,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:43:43,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 376 [2021-04-28 21:43:43,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 78 transitions, 459 flow. Second operand has 7 states, 7 states have (on average 220.85714285714286) internal successors, (1546), 7 states have internal predecessors, (1546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:43,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:43:43,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 376 [2021-04-28 21:43:43,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:43:43,617 INFO L129 PetriNetUnfolder]: 137/640 cut-off events. [2021-04-28 21:43:43,617 INFO L130 PetriNetUnfolder]: For 1288/1364 co-relation queries the response was YES. [2021-04-28 21:43:43,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2395 conditions, 640 events. 137/640 cut-off events. For 1288/1364 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 5556 event pairs, 3 based on Foata normal form. 12/409 useless extension candidates. Maximal degree in co-relation 2371. Up to 228 conditions per place. [2021-04-28 21:43:43,631 INFO L132 encePairwiseOnDemand]: 369/376 looper letters, 19 selfloop transitions, 21 changer transitions 0/83 dead transitions. [2021-04-28 21:43:43,631 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 83 transitions, 582 flow [2021-04-28 21:43:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:43:43,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:43:43,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1120 transitions. [2021-04-28 21:43:43,639 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5957446808510638 [2021-04-28 21:43:43,639 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1120 transitions. [2021-04-28 21:43:43,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1120 transitions. [2021-04-28 21:43:43,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:43:43,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1120 transitions. [2021-04-28 21:43:43,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 224.0) internal successors, (1120), 5 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:43,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 376.0) internal successors, (2256), 6 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:43,649 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 376.0) internal successors, (2256), 6 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:43,649 INFO L185 Difference]: Start difference. First operand has 85 places, 78 transitions, 459 flow. Second operand 5 states and 1120 transitions. [2021-04-28 21:43:43,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 83 transitions, 582 flow [2021-04-28 21:43:43,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 83 transitions, 546 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-04-28 21:43:43,659 INFO L241 Difference]: Finished difference. Result has 87 places, 78 transitions, 486 flow [2021-04-28 21:43:43,659 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=486, PETRI_PLACES=87, PETRI_TRANSITIONS=78} [2021-04-28 21:43:43,659 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -66 predicate places. [2021-04-28 21:43:43,659 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:43:43,660 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 78 transitions, 486 flow [2021-04-28 21:43:43,660 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 78 transitions, 486 flow [2021-04-28 21:43:43,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 78 transitions, 486 flow [2021-04-28 21:43:43,740 INFO L129 PetriNetUnfolder]: 79/434 cut-off events. [2021-04-28 21:43:43,740 INFO L130 PetriNetUnfolder]: For 1036/1111 co-relation queries the response was YES. [2021-04-28 21:43:43,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1394 conditions, 434 events. 79/434 cut-off events. For 1036/1111 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 3564 event pairs, 13 based on Foata normal form. 17/265 useless extension candidates. Maximal degree in co-relation 1371. Up to 145 conditions per place. [2021-04-28 21:43:43,758 INFO L146 LiptonReduction]: Number of co-enabled transitions 2768 [2021-04-28 21:43:43,769 INFO L158 LiptonReduction]: Checked pairs total: 671 [2021-04-28 21:43:43,769 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:43:43,770 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 111 [2021-04-28 21:43:43,771 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 78 transitions, 486 flow [2021-04-28 21:43:43,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 220.85714285714286) internal successors, (1546), 7 states have internal predecessors, (1546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:43,773 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:43:43,773 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:43:43,773 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 21:43:43,773 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:43:43,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:43:43,774 INFO L82 PathProgramCache]: Analyzing trace with hash -875026651, now seen corresponding path program 1 times [2021-04-28 21:43:43,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:43:43,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260937033] [2021-04-28 21:43:43,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:43:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:43:43,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:43:43,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:43:43,883 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:43:43,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:43:43,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:43:43,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:43:43,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:43:43,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260937033] [2021-04-28 21:43:43,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:43:43,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:43:43,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619002361] [2021-04-28 21:43:43,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:43:43,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:43:43,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:43:43,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:43:43,921 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 376 [2021-04-28 21:43:43,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 78 transitions, 486 flow. Second operand has 4 states, 4 states have (on average 283.75) internal successors, (1135), 4 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:43,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:43:43,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 376 [2021-04-28 21:43:43,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:43:56,673 INFO L129 PetriNetUnfolder]: 68149/101379 cut-off events. [2021-04-28 21:43:56,673 INFO L130 PetriNetUnfolder]: For 40172/108617 co-relation queries the response was YES. [2021-04-28 21:43:57,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 220824 conditions, 101379 events. 68149/101379 cut-off events. For 40172/108617 co-relation queries the response was YES. Maximal size of possible extension queue 21610. Compared 1009804 event pairs, 33537 based on Foata normal form. 2349/27019 useless extension candidates. Maximal degree in co-relation 220799. Up to 64819 conditions per place. [2021-04-28 21:43:57,672 INFO L132 encePairwiseOnDemand]: 356/376 looper letters, 38 selfloop transitions, 33 changer transitions 0/122 dead transitions. [2021-04-28 21:43:57,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 122 transitions, 716 flow [2021-04-28 21:43:57,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:43:57,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:43:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1481 transitions. [2021-04-28 21:43:57,681 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7877659574468086 [2021-04-28 21:43:57,681 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1481 transitions. [2021-04-28 21:43:57,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1481 transitions. [2021-04-28 21:43:57,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:43:57,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1481 transitions. [2021-04-28 21:43:57,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 296.2) internal successors, (1481), 5 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:57,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 376.0) internal successors, (2256), 6 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:57,691 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 376.0) internal successors, (2256), 6 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:43:57,692 INFO L185 Difference]: Start difference. First operand has 87 places, 78 transitions, 486 flow. Second operand 5 states and 1481 transitions. [2021-04-28 21:43:57,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 122 transitions, 716 flow [2021-04-28 21:43:57,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 122 transitions, 672 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-04-28 21:43:57,778 INFO L241 Difference]: Finished difference. Result has 90 places, 109 transitions, 704 flow [2021-04-28 21:43:57,778 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=704, PETRI_PLACES=90, PETRI_TRANSITIONS=109} [2021-04-28 21:43:57,778 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -63 predicate places. [2021-04-28 21:43:57,778 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:43:57,779 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 109 transitions, 704 flow [2021-04-28 21:43:57,779 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 109 transitions, 704 flow [2021-04-28 21:43:57,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 109 transitions, 704 flow [2021-04-28 21:44:07,208 INFO L129 PetriNetUnfolder]: 60103/90372 cut-off events. [2021-04-28 21:44:07,208 INFO L130 PetriNetUnfolder]: For 54742/420234 co-relation queries the response was YES. [2021-04-28 21:44:07,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 269897 conditions, 90372 events. 60103/90372 cut-off events. For 54742/420234 co-relation queries the response was YES. Maximal size of possible extension queue 19370. Compared 908669 event pairs, 32370 based on Foata normal form. 128/23098 useless extension candidates. Maximal degree in co-relation 269871. Up to 84410 conditions per place. [2021-04-28 21:44:08,677 INFO L146 LiptonReduction]: Number of co-enabled transitions 4218 [2021-04-28 21:44:08,866 INFO L158 LiptonReduction]: Checked pairs total: 641 [2021-04-28 21:44:08,866 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:44:08,866 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11088 [2021-04-28 21:44:08,868 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 109 transitions, 704 flow [2021-04-28 21:44:08,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 283.75) internal successors, (1135), 4 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:44:08,869 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:44:08,869 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:44:08,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 21:44:08,869 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:44:08,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:44:08,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1434674503, now seen corresponding path program 1 times [2021-04-28 21:44:08,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:44:08,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629722287] [2021-04-28 21:44:08,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:44:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:44:08,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:44:08,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:44:08,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:44:08,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:44:08,981 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:44:08,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:44:09,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:44:09,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:44:09,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:44:09,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629722287] [2021-04-28 21:44:09,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:44:09,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:44:09,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751137177] [2021-04-28 21:44:09,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:44:09,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:44:09,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:44:09,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:44:09,032 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 376 [2021-04-28 21:44:09,034 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 109 transitions, 704 flow. Second operand has 5 states, 5 states have (on average 283.8) internal successors, (1419), 5 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:44:09,035 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:44:09,035 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 376 [2021-04-28 21:44:09,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:44:24,058 INFO L129 PetriNetUnfolder]: 71836/113823 cut-off events. [2021-04-28 21:44:24,058 INFO L130 PetriNetUnfolder]: For 94103/2607162 co-relation queries the response was YES. [2021-04-28 21:44:24,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 446619 conditions, 113823 events. 71836/113823 cut-off events. For 94103/2607162 co-relation queries the response was YES. Maximal size of possible extension queue 26110. Compared 1241369 event pairs, 11124 based on Foata normal form. 2691/33846 useless extension candidates. Maximal degree in co-relation 446591. Up to 104633 conditions per place. [2021-04-28 21:44:25,348 INFO L132 encePairwiseOnDemand]: 356/376 looper letters, 39 selfloop transitions, 64 changer transitions 0/154 dead transitions. [2021-04-28 21:44:25,349 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 154 transitions, 1159 flow [2021-04-28 21:44:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 21:44:25,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 21:44:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2077 transitions. [2021-04-28 21:44:25,359 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7891337386018237 [2021-04-28 21:44:25,359 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2077 transitions. [2021-04-28 21:44:25,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2077 transitions. [2021-04-28 21:44:25,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:44:25,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2077 transitions. [2021-04-28 21:44:25,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 296.7142857142857) internal successors, (2077), 7 states have internal predecessors, (2077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:44:25,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 376.0) internal successors, (3008), 8 states have internal predecessors, (3008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:44:25,373 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 376.0) internal successors, (3008), 8 states have internal predecessors, (3008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:44:25,373 INFO L185 Difference]: Start difference. First operand has 90 places, 109 transitions, 704 flow. Second operand 7 states and 2077 transitions. [2021-04-28 21:44:25,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 154 transitions, 1159 flow [2021-04-28 21:44:25,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 154 transitions, 1159 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 21:44:25,622 INFO L241 Difference]: Finished difference. Result has 99 places, 140 transitions, 1162 flow [2021-04-28 21:44:25,622 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1162, PETRI_PLACES=99, PETRI_TRANSITIONS=140} [2021-04-28 21:44:25,622 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -54 predicate places. [2021-04-28 21:44:25,622 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:44:25,622 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 140 transitions, 1162 flow [2021-04-28 21:44:25,622 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 140 transitions, 1162 flow [2021-04-28 21:44:25,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 140 transitions, 1162 flow [2021-04-28 21:44:38,560 INFO L129 PetriNetUnfolder]: 66102/106433 cut-off events. [2021-04-28 21:44:38,560 INFO L130 PetriNetUnfolder]: For 245803/1524756 co-relation queries the response was YES. [2021-04-28 21:44:39,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 512636 conditions, 106433 events. 66102/106433 cut-off events. For 245803/1524756 co-relation queries the response was YES. Maximal size of possible extension queue 24395. Compared 1179598 event pairs, 11491 based on Foata normal form. 252/28556 useless extension candidates. Maximal degree in co-relation 512605. Up to 99764 conditions per place. [2021-04-28 21:44:40,673 INFO L146 LiptonReduction]: Number of co-enabled transitions 5704 [2021-04-28 21:44:40,833 INFO L158 LiptonReduction]: Checked pairs total: 856 [2021-04-28 21:44:40,833 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:44:40,833 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15211 [2021-04-28 21:44:40,834 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 140 transitions, 1162 flow [2021-04-28 21:44:40,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 283.8) internal successors, (1419), 5 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:44:40,835 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:44:40,835 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:44:40,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 21:44:40,835 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:44:40,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:44:40,836 INFO L82 PathProgramCache]: Analyzing trace with hash 766592100, now seen corresponding path program 1 times [2021-04-28 21:44:40,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:44:40,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276407057] [2021-04-28 21:44:40,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:44:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:44:40,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:44:40,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:44:40,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:44:40,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:44:40,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:44:40,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:44:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:44:40,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276407057] [2021-04-28 21:44:40,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:44:40,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:44:40,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139410990] [2021-04-28 21:44:40,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:44:40,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:44:40,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:44:40,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:44:40,924 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 376 [2021-04-28 21:44:40,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 140 transitions, 1162 flow. Second operand has 4 states, 4 states have (on average 259.0) internal successors, (1036), 4 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:44:40,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:44:40,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 376 [2021-04-28 21:44:40,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:45:05,367 INFO L129 PetriNetUnfolder]: 115723/178385 cut-off events. [2021-04-28 21:45:05,367 INFO L130 PetriNetUnfolder]: For 488466/3160824 co-relation queries the response was YES. [2021-04-28 21:45:06,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 862072 conditions, 178385 events. 115723/178385 cut-off events. For 488466/3160824 co-relation queries the response was YES. Maximal size of possible extension queue 36972. Compared 1933597 event pairs, 19701 based on Foata normal form. 620/49465 useless extension candidates. Maximal degree in co-relation 862039. Up to 168971 conditions per place. [2021-04-28 21:45:07,128 INFO L132 encePairwiseOnDemand]: 373/376 looper letters, 4 selfloop transitions, 2 changer transitions 2/142 dead transitions. [2021-04-28 21:45:07,128 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 142 transitions, 1194 flow [2021-04-28 21:45:07,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:45:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:45:07,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1039 transitions. [2021-04-28 21:45:07,136 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6908244680851063 [2021-04-28 21:45:07,136 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1039 transitions. [2021-04-28 21:45:07,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1039 transitions. [2021-04-28 21:45:07,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:45:07,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1039 transitions. [2021-04-28 21:45:07,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 259.75) internal successors, (1039), 4 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:45:07,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 376.0) internal successors, (1880), 5 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:45:07,143 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 376.0) internal successors, (1880), 5 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:45:07,143 INFO L185 Difference]: Start difference. First operand has 99 places, 140 transitions, 1162 flow. Second operand 4 states and 1039 transitions. [2021-04-28 21:45:07,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 142 transitions, 1194 flow [2021-04-28 21:45:37,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 142 transitions, 1032 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 21:45:37,374 INFO L241 Difference]: Finished difference. Result has 101 places, 139 transitions, 991 flow [2021-04-28 21:45:37,374 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=1000, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=991, PETRI_PLACES=101, PETRI_TRANSITIONS=139} [2021-04-28 21:45:37,375 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -52 predicate places. [2021-04-28 21:45:37,375 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:45:37,375 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 139 transitions, 991 flow [2021-04-28 21:45:37,375 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 139 transitions, 991 flow [2021-04-28 21:45:37,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 139 transitions, 991 flow [2021-04-28 21:46:00,218 INFO L129 PetriNetUnfolder]: 115140/177522 cut-off events. [2021-04-28 21:46:00,218 INFO L130 PetriNetUnfolder]: For 426900/971968 co-relation queries the response was YES. [2021-04-28 21:46:01,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 798370 conditions, 177522 events. 115140/177522 cut-off events. For 426900/971968 co-relation queries the response was YES. Maximal size of possible extension queue 36418. Compared 1969350 event pairs, 20604 based on Foata normal form. 386/48831 useless extension candidates. Maximal degree in co-relation 798338. Up to 150742 conditions per place. [2021-04-28 21:46:03,923 INFO L146 LiptonReduction]: Number of co-enabled transitions 5818 [2021-04-28 21:46:04,531 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 21:46:04,532 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:46:04,532 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27157 [2021-04-28 21:46:04,533 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 139 transitions, 991 flow [2021-04-28 21:46:04,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 259.0) internal successors, (1036), 4 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:46:04,534 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:46:04,534 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:46:04,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-28 21:46:04,534 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:46:04,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:46:04,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1988737309, now seen corresponding path program 1 times [2021-04-28 21:46:04,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:46:04,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022561579] [2021-04-28 21:46:04,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:46:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:46:04,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:46:04,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:46:04,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:46:04,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:46:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:46:04,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022561579] [2021-04-28 21:46:04,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:46:04,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 21:46:04,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677217970] [2021-04-28 21:46:04,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:46:04,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:46:04,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:46:04,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:46:04,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 376 [2021-04-28 21:46:04,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 139 transitions, 991 flow. Second operand has 3 states, 3 states have (on average 274.0) internal successors, (822), 3 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:46:04,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:46:04,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 376 [2021-04-28 21:46:04,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:46:51,590 INFO L129 PetriNetUnfolder]: 191052/292163 cut-off events. [2021-04-28 21:46:51,590 INFO L130 PetriNetUnfolder]: For 764994/1746742 co-relation queries the response was YES. [2021-04-28 21:46:53,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1336244 conditions, 292163 events. 191052/292163 cut-off events. For 764994/1746742 co-relation queries the response was YES. Maximal size of possible extension queue 61326. Compared 3266261 event pairs, 37224 based on Foata normal form. 844/79502 useless extension candidates. Maximal degree in co-relation 1336210. Up to 251110 conditions per place. [2021-04-28 21:46:54,292 INFO L132 encePairwiseOnDemand]: 373/376 looper letters, 3 selfloop transitions, 3 changer transitions 3/139 dead transitions. [2021-04-28 21:46:54,293 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 139 transitions, 1003 flow [2021-04-28 21:46:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:46:54,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:46:54,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 825 transitions. [2021-04-28 21:46:54,299 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7313829787234043 [2021-04-28 21:46:54,299 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 825 transitions. [2021-04-28 21:46:54,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 825 transitions. [2021-04-28 21:46:54,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:46:54,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 825 transitions. [2021-04-28 21:46:54,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 275.0) internal successors, (825), 3 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:46:54,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 376.0) internal successors, (1504), 4 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:46:54,305 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 376.0) internal successors, (1504), 4 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:46:54,305 INFO L185 Difference]: Start difference. First operand has 101 places, 139 transitions, 991 flow. Second operand 3 states and 825 transitions. [2021-04-28 21:46:54,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 139 transitions, 1003 flow [2021-04-28 21:47:32,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 139 transitions, 1002 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:47:32,522 INFO L241 Difference]: Finished difference. Result has 103 places, 136 transitions, 968 flow [2021-04-28 21:47:32,522 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=990, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=968, PETRI_PLACES=103, PETRI_TRANSITIONS=136} [2021-04-28 21:47:32,523 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -50 predicate places. [2021-04-28 21:47:32,523 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:47:32,523 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 136 transitions, 968 flow [2021-04-28 21:47:32,523 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 136 transitions, 968 flow [2021-04-28 21:47:32,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 136 transitions, 968 flow [2021-04-28 21:48:14,632 INFO L129 PetriNetUnfolder]: 188496/288035 cut-off events. [2021-04-28 21:48:14,632 INFO L130 PetriNetUnfolder]: For 621819/1280267 co-relation queries the response was YES. [2021-04-28 21:48:16,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1314678 conditions, 288035 events. 188496/288035 cut-off events. For 621819/1280267 co-relation queries the response was YES. Maximal size of possible extension queue 60309. Compared 3297113 event pairs, 38560 based on Foata normal form. 504/77245 useless extension candidates. Maximal degree in co-relation 1314645. Up to 247693 conditions per place. [2021-04-28 21:48:20,479 INFO L146 LiptonReduction]: Number of co-enabled transitions 5812 [2021-04-28 21:48:21,334 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 21:48:21,334 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:48:21,334 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48811 [2021-04-28 21:48:21,335 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 136 transitions, 968 flow [2021-04-28 21:48:21,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 274.0) internal successors, (822), 3 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:48:21,336 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:48:21,336 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:48:21,336 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-28 21:48:21,336 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:48:21,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:48:21,337 INFO L82 PathProgramCache]: Analyzing trace with hash 604722510, now seen corresponding path program 1 times [2021-04-28 21:48:21,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:48:21,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103517765] [2021-04-28 21:48:21,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:48:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:48:21,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:48:21,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:48:21,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:48:21,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:48:21,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:48:21,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:48:21,441 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:48:21,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:48:21,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:48:21,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:48:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:48:21,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103517765] [2021-04-28 21:48:21,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:48:21,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:48:21,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319936548] [2021-04-28 21:48:21,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:48:21,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:48:21,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:48:21,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:48:21,476 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 376 [2021-04-28 21:48:21,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 136 transitions, 968 flow. Second operand has 6 states, 6 states have (on average 283.8333333333333) internal successors, (1703), 6 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:48:21,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:48:21,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 376 [2021-04-28 21:48:21,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:49:18,696 INFO L129 PetriNetUnfolder]: 189873/308345 cut-off events. [2021-04-28 21:49:18,696 INFO L130 PetriNetUnfolder]: For 519116/3934837 co-relation queries the response was YES. [2021-04-28 21:49:21,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1688678 conditions, 308345 events. 189873/308345 cut-off events. For 519116/3934837 co-relation queries the response was YES. Maximal size of possible extension queue 65460. Compared 3750111 event pairs, 4644 based on Foata normal form. 6291/93262 useless extension candidates. Maximal degree in co-relation 1688643. Up to 260335 conditions per place. [2021-04-28 21:49:22,142 INFO L132 encePairwiseOnDemand]: 356/376 looper letters, 24 selfloop transitions, 95 changer transitions 14/182 dead transitions. [2021-04-28 21:49:22,143 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 182 transitions, 1643 flow [2021-04-28 21:49:22,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 21:49:22,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 21:49:22,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2673 transitions. [2021-04-28 21:49:22,153 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7898936170212766 [2021-04-28 21:49:22,153 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2673 transitions. [2021-04-28 21:49:22,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2673 transitions. [2021-04-28 21:49:22,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:49:22,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2673 transitions. [2021-04-28 21:49:22,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 297.0) internal successors, (2673), 9 states have internal predecessors, (2673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:49:22,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 376.0) internal successors, (3760), 10 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:49:22,169 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 376.0) internal successors, (3760), 10 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:49:22,169 INFO L185 Difference]: Start difference. First operand has 103 places, 136 transitions, 968 flow. Second operand 9 states and 2673 transitions. [2021-04-28 21:49:22,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 182 transitions, 1643 flow [2021-04-28 21:50:02,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 182 transitions, 1634 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-04-28 21:50:02,226 INFO L241 Difference]: Finished difference. Result has 113 places, 165 transitions, 1521 flow [2021-04-28 21:50:02,227 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=376, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1521, PETRI_PLACES=113, PETRI_TRANSITIONS=165} [2021-04-28 21:50:02,227 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -40 predicate places. [2021-04-28 21:50:02,227 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:50:02,227 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 165 transitions, 1521 flow [2021-04-28 21:50:02,228 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 165 transitions, 1521 flow [2021-04-28 21:50:02,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 165 transitions, 1521 flow [2021-04-28 21:50:42,417 INFO L129 PetriNetUnfolder]: 139214/241090 cut-off events. [2021-04-28 21:50:42,417 INFO L130 PetriNetUnfolder]: For 686535/2383081 co-relation queries the response was YES. [2021-04-28 21:50:44,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1458268 conditions, 241090 events. 139214/241090 cut-off events. For 686535/2383081 co-relation queries the response was YES. Maximal size of possible extension queue 58164. Compared 3231896 event pairs, 5252 based on Foata normal form. 252/62343 useless extension candidates. Maximal degree in co-relation 1458231. Up to 200584 conditions per place. [2021-04-28 21:50:47,649 INFO L146 LiptonReduction]: Number of co-enabled transitions 6364 [2021-04-28 21:50:48,087 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 21:50:48,087 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:50:48,088 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45861 [2021-04-28 21:50:48,089 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 165 transitions, 1521 flow [2021-04-28 21:50:48,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 283.8333333333333) internal successors, (1703), 6 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:50:48,089 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:50:48,089 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:50:48,090 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-28 21:50:48,090 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:50:48,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:50:48,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1692831043, now seen corresponding path program 1 times [2021-04-28 21:50:48,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:50:48,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740875271] [2021-04-28 21:50:48,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:50:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:50:48,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:50:48,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:50:48,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:50:48,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:50:48,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:50:48,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:50:48,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:50:48,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:50:48,225 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:50:48,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:50:48,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:50:48,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:50:48,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:50:48,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740875271] [2021-04-28 21:50:48,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:50:48,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 21:50:48,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782405780] [2021-04-28 21:50:48,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:50:48,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:50:48,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:50:48,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:50:48,269 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 376 [2021-04-28 21:50:48,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 165 transitions, 1521 flow. Second operand has 7 states, 7 states have (on average 283.85714285714283) internal successors, (1987), 7 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:50:48,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:50:48,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 376 [2021-04-28 21:50:48,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:51:38,767 INFO L129 PetriNetUnfolder]: 141705/246704 cut-off events. [2021-04-28 21:51:38,767 INFO L130 PetriNetUnfolder]: For 733232/6389181 co-relation queries the response was YES. [2021-04-28 21:51:41,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1715458 conditions, 246704 events. 141705/246704 cut-off events. For 733232/6389181 co-relation queries the response was YES. Maximal size of possible extension queue 61023. Compared 3234078 event pairs, 0 based on Foata normal form. 3685/68596 useless extension candidates. Maximal degree in co-relation 1715419. Up to 202771 conditions per place. [2021-04-28 21:51:42,173 INFO L132 encePairwiseOnDemand]: 356/376 looper letters, 6 selfloop transitions, 104 changer transitions 48/188 dead transitions. [2021-04-28 21:51:42,174 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 188 transitions, 2009 flow [2021-04-28 21:51:42,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 21:51:42,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 21:51:42,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3245 transitions. [2021-04-28 21:51:42,205 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7845744680851063 [2021-04-28 21:51:42,205 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3245 transitions. [2021-04-28 21:51:42,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3245 transitions. [2021-04-28 21:51:42,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:51:42,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3245 transitions. [2021-04-28 21:51:42,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 295.0) internal successors, (3245), 11 states have internal predecessors, (3245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:51:42,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 376.0) internal successors, (4512), 12 states have internal predecessors, (4512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:51:42,246 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 376.0) internal successors, (4512), 12 states have internal predecessors, (4512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:51:42,246 INFO L185 Difference]: Start difference. First operand has 113 places, 165 transitions, 1521 flow. Second operand 11 states and 3245 transitions. [2021-04-28 21:51:42,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 188 transitions, 2009 flow Received shutdown request... [2021-04-28 21:52:43,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-28 21:52:43,401 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-28 21:52:43,405 WARN L224 ceAbstractionStarter]: Timeout [2021-04-28 21:52:43,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:52:43 BasicIcfg [2021-04-28 21:52:43,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 21:52:43,406 INFO L168 Benchmark]: Toolchain (without parser) took 697749.92 ms. Allocated memory was 302.0 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 275.4 MB in the beginning and 10.5 GB in the end (delta: -10.2 GB). Peak memory consumption was 10.3 GB. Max. memory is 16.0 GB. [2021-04-28 21:52:43,406 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory was 272.9 MB in the beginning and 272.8 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 21:52:43,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.64 ms. Allocated memory is still 302.0 MB. Free memory was 272.2 MB in the beginning and 268.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.0 GB. [2021-04-28 21:52:43,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.91 ms. Allocated memory is still 302.0 MB. Free memory was 268.4 MB in the beginning and 266.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:52:43,407 INFO L168 Benchmark]: Boogie Preprocessor took 86.19 ms. Allocated memory is still 302.0 MB. Free memory was 266.3 MB in the beginning and 263.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:52:43,407 INFO L168 Benchmark]: RCFGBuilder took 2391.13 ms. Allocated memory is still 302.0 MB. Free memory was 263.2 MB in the beginning and 226.5 MB in the end (delta: 36.7 MB). Peak memory consumption was 159.4 MB. Max. memory is 16.0 GB. [2021-04-28 21:52:43,407 INFO L168 Benchmark]: TraceAbstraction took 694290.83 ms. Allocated memory was 302.0 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 225.4 MB in the beginning and 10.5 GB in the end (delta: -10.3 GB). Peak memory consumption was 10.3 GB. Max. memory is 16.0 GB. [2021-04-28 21:52:43,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory was 272.9 MB in the beginning and 272.8 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 807.64 ms. Allocated memory is still 302.0 MB. Free memory was 272.2 MB in the beginning and 268.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 103.91 ms. Allocated memory is still 302.0 MB. Free memory was 268.4 MB in the beginning and 266.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 86.19 ms. Allocated memory is still 302.0 MB. Free memory was 266.3 MB in the beginning and 263.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2391.13 ms. Allocated memory is still 302.0 MB. Free memory was 263.2 MB in the beginning and 226.5 MB in the end (delta: 36.7 MB). Peak memory consumption was 159.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 694290.83 ms. Allocated memory was 302.0 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 225.4 MB in the beginning and 10.5 GB in the end (delta: -10.3 GB). Peak memory consumption was 10.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 144755.3ms, 123 PlacesBefore, 153 PlacesAfterwards, 112 TransitionsBefore, 142 TransitionsAfterwards, 2598 CoEnabledTransitionPairs, 9 FixpointIterations, 166 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 259 TotalNumberOfCompositions, 24978 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6186, positive: 5842, positive conditional: 5842, positive unconditional: 0, negative: 344, negative conditional: 344, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2855, positive: 2786, positive conditional: 0, positive unconditional: 2786, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2855, positive: 2786, positive conditional: 0, positive unconditional: 2786, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2855, positive: 2740, positive conditional: 0, positive unconditional: 2740, negative: 115, negative conditional: 0, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 115, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1505, positive: 211, positive conditional: 0, positive unconditional: 211, negative: 1294, negative conditional: 0, negative unconditional: 1294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6186, positive: 3056, positive conditional: 3056, positive unconditional: 0, negative: 275, negative conditional: 275, negative unconditional: 0, unknown: 2855, unknown conditional: 2855, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2855, Positive cache size: 2786, Positive conditional cache size: 2786, Positive unconditional cache size: 0, Negative cache size: 69, Negative conditional cache size: 69, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 391.5ms, 148 PlacesBefore, 60 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1464 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1426 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 412, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 40, negative conditional: 40, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 154, positive: 136, positive conditional: 14, positive unconditional: 122, negative: 18, negative conditional: 5, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 154, positive: 136, positive conditional: 14, positive unconditional: 122, negative: 18, negative conditional: 5, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 154, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 5, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 369, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 369, negative conditional: 206, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 412, positive: 236, positive conditional: 236, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 154, unknown conditional: 154, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3009, Positive cache size: 2922, Positive conditional cache size: 2922, Positive unconditional cache size: 0, Negative cache size: 87, Negative conditional cache size: 87, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 553.1ms, 61 PlacesBefore, 61 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1574 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2266 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 620, positive: 559, positive conditional: 559, positive unconditional: 0, negative: 61, negative conditional: 61, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 79, positive: 76, positive conditional: 19, positive unconditional: 57, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 79, positive: 76, positive conditional: 19, positive unconditional: 57, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 79, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 620, positive: 483, positive conditional: 483, positive unconditional: 0, negative: 58, negative conditional: 58, negative unconditional: 0, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3088, Positive cache size: 2998, Positive conditional cache size: 2998, Positive unconditional cache size: 0, Negative cache size: 90, Negative conditional cache size: 90, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 127.0ms, 63 PlacesBefore, 63 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 1696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 839 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 185, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 185, positive: 157, positive conditional: 157, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3094, Positive cache size: 3003, Positive conditional cache size: 3003, Positive unconditional cache size: 0, Negative cache size: 91, Negative conditional cache size: 91, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 226.0ms, 65 PlacesBefore, 65 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 1686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 769 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 137, positive: 116, positive conditional: 116, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 11, positive conditional: 10, positive unconditional: 1, 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: 15, positive: 11, positive conditional: 10, positive unconditional: 1, 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: 15, positive: 11, positive conditional: 0, positive unconditional: 11, 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: 203, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 203, negative conditional: 0, negative unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 137, positive: 105, positive conditional: 105, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3109, Positive cache size: 3014, Positive conditional cache size: 3014, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 250.4ms, 66 PlacesBefore, 66 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 1684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 769 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 139, positive: 118, positive conditional: 118, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 1, positive unconditional: 2, 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: 7, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 228, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 228, negative conditional: 0, negative unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 139, positive: 115, positive conditional: 115, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3116, Positive cache size: 3017, Positive conditional cache size: 3017, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 157.8ms, 70 PlacesBefore, 70 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 2022 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 518 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 134, positive: 121, positive conditional: 121, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 18, positive conditional: 13, positive unconditional: 5, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, positive: 18, positive conditional: 13, positive unconditional: 5, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 134, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3137, Positive cache size: 3035, Positive conditional cache size: 3035, Positive unconditional cache size: 0, Negative cache size: 102, Negative conditional cache size: 102, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 101.4ms, 76 PlacesBefore, 76 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 2388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 318 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 140, positive: 133, positive conditional: 133, 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: 17, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 140, positive: 116, positive conditional: 116, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3154, Positive cache size: 3052, Positive conditional cache size: 3052, Positive unconditional cache size: 0, Negative cache size: 102, Negative conditional cache size: 102, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 108.0ms, 80 PlacesBefore, 80 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 2544 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 465 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 167, positive: 157, positive conditional: 157, 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: 19, positive: 19, positive conditional: 17, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 17, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 167, positive: 138, positive conditional: 138, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3173, Positive cache size: 3071, Positive conditional cache size: 3071, Positive unconditional cache size: 0, Negative cache size: 102, Negative conditional cache size: 102, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 112.0ms, 83 PlacesBefore, 83 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 2650 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 514 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 186, positive: 175, positive conditional: 175, 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: 27, positive: 27, positive conditional: 22, 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: 27, positive: 27, positive conditional: 22, 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: 27, positive: 27, positive conditional: 0, positive unconditional: 27, 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: 186, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3200, Positive cache size: 3098, Positive conditional cache size: 3098, Positive unconditional cache size: 0, Negative cache size: 102, Negative conditional cache size: 102, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 176.5ms, 85 PlacesBefore, 85 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 2770 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 678 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 207, positive: 193, positive conditional: 193, 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: 26, positive: 25, positive conditional: 21, positive unconditional: 4, 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: 26, positive: 25, positive conditional: 21, positive unconditional: 4, 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: 26, positive: 25, positive conditional: 0, positive unconditional: 25, 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: 207, positive: 168, positive conditional: 168, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3226, Positive cache size: 3123, Positive conditional cache size: 3123, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 109.5ms, 87 PlacesBefore, 87 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 2768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 671 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 224, positive: 210, positive conditional: 210, 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: 23, positive: 23, positive conditional: 21, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, positive: 23, positive conditional: 21, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23, positive: 23, positive conditional: 0, positive unconditional: 23, 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: 224, positive: 187, positive conditional: 187, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3249, Positive cache size: 3146, Positive conditional cache size: 3146, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11087.3ms, 90 PlacesBefore, 90 PlacesAfterwards, 109 TransitionsBefore, 109 TransitionsAfterwards, 4218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 641 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 247, positive: 238, positive conditional: 238, 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: 55, positive: 55, positive conditional: 35, positive unconditional: 20, 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: 55, positive: 55, positive conditional: 35, positive unconditional: 20, 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: 55, positive: 55, positive conditional: 0, positive unconditional: 55, 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: 247, positive: 183, positive conditional: 183, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 55, unknown conditional: 55, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3304, Positive cache size: 3201, Positive conditional cache size: 3201, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15210.4ms, 99 PlacesBefore, 99 PlacesAfterwards, 140 TransitionsBefore, 140 TransitionsAfterwards, 5704 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 856 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 205, positive: 196, positive conditional: 196, 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: 41, positive: 41, positive conditional: 33, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 41, positive: 41, positive conditional: 33, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, 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: 205, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3345, Positive cache size: 3242, Positive conditional cache size: 3242, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27156.6ms, 101 PlacesBefore, 101 PlacesAfterwards, 139 TransitionsBefore, 139 TransitionsAfterwards, 5818 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3345, Positive cache size: 3242, Positive conditional cache size: 3242, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48810.6ms, 103 PlacesBefore, 103 PlacesAfterwards, 136 TransitionsBefore, 136 TransitionsAfterwards, 5812 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3345, Positive cache size: 3242, Positive conditional cache size: 3242, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45859.8ms, 113 PlacesBefore, 113 PlacesAfterwards, 165 TransitionsBefore, 165 TransitionsAfterwards, 6364 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3345, Positive cache size: 3242, Positive conditional cache size: 3242, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 18). Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 18). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 17.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 694096.6ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 394284.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 144919.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 83 SDtfs, 105 SDslu, 33 SDs, 0 SdLazy, 847 SolverSat, 338 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1957.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2624.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1521occurred in iteration=16, InterpolantAutomatonStates: 73, 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: 66.5ms SsaConstructionTime, 744.9ms SatisfiabilityAnalysisTime, 3268.8ms InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 1769 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 could not prove your program: Timeout Completed graceful shutdown