/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix030_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:03:44,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:03:44,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:03:44,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:03:44,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:03:44,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:03:44,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:03:44,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:03:44,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:03:44,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:03:44,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:03:44,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:03:44,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:03:44,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:03:44,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:03:44,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:03:44,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:03:44,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:03:44,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:03:44,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:03:44,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:03:44,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:03:44,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:03:44,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:03:44,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:03:44,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 10:03:44,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 10:03:44,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 10:03:44,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 10:03:44,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 10:03:44,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 10:03:44,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 10:03:44,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 10:03:44,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:03:44,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:03:44,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:03:44,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 10:03:44,375 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:03:44,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:03:44,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:03:44,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:03:44,376 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:03:44,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:03:44,377 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:03:44,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:03:44,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:03:44,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:03:44,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:03:44,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:03:44,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:03:44,378 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:03:44,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:03:44,378 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:03:44,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:03:44,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:03:44,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:03:44,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:03:44,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:03:44,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:03:44,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:03:44,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:03:44,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:03:44,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:03:44,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:03:44,380 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:03:44,380 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:03:44,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:03:44,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:03:44,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:03:44,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:03:44,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:03:44,704 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:03:44,705 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:03:44,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_power.opt.i [2021-03-26 10:03:44,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17d43e36/c7859104f0b64fbdbf95d5c83586edd4/FLAGe92602ade [2021-03-26 10:03:45,302 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:03:45,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_power.opt.i [2021-03-26 10:03:45,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17d43e36/c7859104f0b64fbdbf95d5c83586edd4/FLAGe92602ade [2021-03-26 10:03:45,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17d43e36/c7859104f0b64fbdbf95d5c83586edd4 [2021-03-26 10:03:45,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:03:45,778 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:03:45,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:03:45,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:03:45,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:03:45,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:03:45" (1/1) ... [2021-03-26 10:03:45,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190cfb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:45, skipping insertion in model container [2021-03-26 10:03:45,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:03:45" (1/1) ... [2021-03-26 10:03:45,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:03:45,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:03:45,988 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/mix030_power.opt.i[950,963] [2021-03-26 10:03:46,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:03:46,153 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:03:46,171 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/mix030_power.opt.i[950,963] [2021-03-26 10:03:46,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:03:46,302 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:03:46,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:46 WrapperNode [2021-03-26 10:03:46,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:03:46,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:03:46,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:03:46,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:03:46,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:46" (1/1) ... [2021-03-26 10:03:46,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:46" (1/1) ... [2021-03-26 10:03:46,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:03:46,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:03:46,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:03:46,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:03:46,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:46" (1/1) ... [2021-03-26 10:03:46,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:46" (1/1) ... [2021-03-26 10:03:46,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:46" (1/1) ... [2021-03-26 10:03:46,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:46" (1/1) ... [2021-03-26 10:03:46,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:46" (1/1) ... [2021-03-26 10:03:46,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:46" (1/1) ... [2021-03-26 10:03:46,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:46" (1/1) ... [2021-03-26 10:03:46,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:03:46,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:03:46,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:03:46,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:03:46,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:46" (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 [2021-03-26 10:03:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:03:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:03:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:03:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:03:46,500 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:03:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:03:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:03:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:03:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:03:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:03:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 10:03:46,501 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 10:03:46,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:03:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:03:46,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:03:46,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:03:46,503 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 10:03:48,154 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:03:48,155 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 10:03:48,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:03:48 BoogieIcfgContainer [2021-03-26 10:03:48,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:03:48,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:03:48,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:03:48,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:03:48,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:03:45" (1/3) ... [2021-03-26 10:03:48,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b3e2b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:03:48, skipping insertion in model container [2021-03-26 10:03:48,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:46" (2/3) ... [2021-03-26 10:03:48,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b3e2b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:03:48, skipping insertion in model container [2021-03-26 10:03:48,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:03:48" (3/3) ... [2021-03-26 10:03:48,165 INFO L111 eAbstractionObserver]: Analyzing ICFG mix030_power.opt.i [2021-03-26 10:03:48,171 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:03:48,175 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 10:03:48,175 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:03:48,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,213 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,213 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,213 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,213 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,214 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,215 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,215 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,215 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,215 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,221 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,221 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,221 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,221 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,222 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,222 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,222 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,222 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,226 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,227 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,227 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,227 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,227 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,228 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,228 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,228 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,228 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,228 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,228 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,229 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,229 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,229 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,229 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,229 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,232 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,234 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,237 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,243 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,243 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,245 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,245 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,246 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,247 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,247 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,248 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,248 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:48,249 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:03:48,266 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-26 10:03:48,293 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:03:48,293 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:03:48,293 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:03:48,293 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:03:48,293 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:03:48,293 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:03:48,294 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:03:48,294 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:03:48,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2021-03-26 10:03:48,348 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-03-26 10:03:48,348 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:03:48,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-26 10:03:48,358 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 115 transitions, 250 flow [2021-03-26 10:03:48,363 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 111 transitions, 234 flow [2021-03-26 10:03:48,364 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:48,376 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 234 flow [2021-03-26 10:03:48,380 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 234 flow [2021-03-26 10:03:48,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 234 flow [2021-03-26 10:03:48,418 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-03-26 10:03:48,419 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:03:48,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-26 10:03:48,422 INFO L142 LiptonReduction]: Number of co-enabled transitions 2630 [2021-03-26 10:03:50,636 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-03-26 10:03:50,914 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-26 10:03:52,219 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-03-26 10:03:52,738 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-26 10:03:53,064 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:03:53,468 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 10:03:53,577 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 10:03:54,706 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-26 10:03:55,029 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-26 10:03:55,635 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-26 10:03:56,235 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-26 10:03:56,861 INFO L154 LiptonReduction]: Checked pairs total: 5123 [2021-03-26 10:03:56,861 INFO L156 LiptonReduction]: Total number of compositions: 75 [2021-03-26 10:03:56,863 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8500 [2021-03-26 10:03:56,871 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-26 10:03:56,872 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:03:56,872 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:56,872 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:56,873 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:56,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:56,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1005604732, now seen corresponding path program 1 times [2021-03-26 10:03:56,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:56,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91546754] [2021-03-26 10:03:56,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:03:57,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:57,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:03:57,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:57,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:03:57,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91546754] [2021-03-26 10:03:57,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:03:57,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:03:57,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671464925] [2021-03-26 10:03:57,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:03:57,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:03:57,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:03:57,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:03:57,131 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 190 [2021-03-26 10:03:57,136 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:57,136 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:03:57,136 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 190 [2021-03-26 10:03:57,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:03:57,248 INFO L129 PetriNetUnfolder]: 69/214 cut-off events. [2021-03-26 10:03:57,248 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:03:57,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 214 events. 69/214 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1046 event pairs, 39 based on Foata normal form. 10/202 useless extension candidates. Maximal degree in co-relation 327. Up to 89 conditions per place. [2021-03-26 10:03:57,252 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 9 selfloop transitions, 2 changer transitions 6/46 dead transitions. [2021-03-26 10:03:57,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 46 transitions, 130 flow [2021-03-26 10:03:57,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:03:57,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:03:57,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions. [2021-03-26 10:03:57,271 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9070175438596492 [2021-03-26 10:03:57,272 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 517 transitions. [2021-03-26 10:03:57,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 517 transitions. [2021-03-26 10:03:57,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:03:57,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 517 transitions. [2021-03-26 10:03:57,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:57,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:57,291 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:57,292 INFO L185 Difference]: Start difference. First operand has 56 places, 44 transitions, 100 flow. Second operand 3 states and 517 transitions. [2021-03-26 10:03:57,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 46 transitions, 130 flow [2021-03-26 10:03:57,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 46 transitions, 126 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 10:03:57,296 INFO L241 Difference]: Finished difference. Result has 52 places, 36 transitions, 84 flow [2021-03-26 10:03:57,298 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=52, PETRI_TRANSITIONS=36} [2021-03-26 10:03:57,299 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -4 predicate places. [2021-03-26 10:03:57,300 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:57,303 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 36 transitions, 84 flow [2021-03-26 10:03:57,304 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 36 transitions, 84 flow [2021-03-26 10:03:57,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 36 transitions, 84 flow [2021-03-26 10:03:57,311 INFO L129 PetriNetUnfolder]: 0/36 cut-off events. [2021-03-26 10:03:57,312 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:03:57,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 36 events. 0/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 45 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 10:03:57,313 INFO L142 LiptonReduction]: Number of co-enabled transitions 434 [2021-03-26 10:03:58,109 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-26 10:03:58,452 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-26 10:03:59,029 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-03-26 10:03:59,573 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-03-26 10:04:00,616 INFO L154 LiptonReduction]: Checked pairs total: 2040 [2021-03-26 10:04:00,616 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 10:04:00,616 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3317 [2021-03-26 10:04:00,617 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 70 flow [2021-03-26 10:04:00,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:00,618 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:00,618 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:00,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:04:00,618 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:00,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:00,619 INFO L82 PathProgramCache]: Analyzing trace with hash -614472852, now seen corresponding path program 1 times [2021-03-26 10:04:00,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:00,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099870801] [2021-03-26 10:04:00,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:00,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:00,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:00,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:00,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:00,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099870801] [2021-03-26 10:04:00,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:00,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:04:00,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986647044] [2021-03-26 10:04:00,760 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:04:00,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:00,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:04:00,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:04:00,768 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 197 [2021-03-26 10:04:00,768 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 172.75) internal successors, (691), 4 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:00,769 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:00,769 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 197 [2021-03-26 10:04:00,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:00,783 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-03-26 10:04:00,783 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:04:00,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 29 events. 0/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 0 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 10:04:00,784 INFO L132 encePairwiseOnDemand]: 194/197 looper letters, 1 selfloop transitions, 2 changer transitions 1/29 dead transitions. [2021-03-26 10:04:00,784 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 29 transitions, 76 flow [2021-03-26 10:04:00,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:04:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:04:00,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 520 transitions. [2021-03-26 10:04:00,787 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8798646362098139 [2021-03-26 10:04:00,787 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 520 transitions. [2021-03-26 10:04:00,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 520 transitions. [2021-03-26 10:04:00,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:00,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 520 transitions. [2021-03-26 10:04:00,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:00,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:00,792 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 197.0) internal successors, (788), 4 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:00,792 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 70 flow. Second operand 3 states and 520 transitions. [2021-03-26 10:04:00,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 29 transitions, 76 flow [2021-03-26 10:04:00,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 29 transitions, 72 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:04:00,793 INFO L241 Difference]: Finished difference. Result has 41 places, 28 transitions, 72 flow [2021-03-26 10:04:00,793 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2021-03-26 10:04:00,793 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -15 predicate places. [2021-03-26 10:04:00,793 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:00,793 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 28 transitions, 72 flow [2021-03-26 10:04:00,793 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 28 transitions, 72 flow [2021-03-26 10:04:00,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 28 transitions, 72 flow [2021-03-26 10:04:00,796 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-03-26 10:04:00,796 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:04:00,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 10:04:00,797 INFO L142 LiptonReduction]: Number of co-enabled transitions 366 [2021-03-26 10:04:01,238 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-03-26 10:04:01,374 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-26 10:04:01,693 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-03-26 10:04:01,834 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-26 10:04:01,910 INFO L154 LiptonReduction]: Checked pairs total: 896 [2021-03-26 10:04:01,911 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:04:01,911 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1118 [2021-03-26 10:04:01,912 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 27 transitions, 70 flow [2021-03-26 10:04:01,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 172.75) internal successors, (691), 4 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:01,913 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:01,913 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:01,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:04:01,913 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:01,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:01,914 INFO L82 PathProgramCache]: Analyzing trace with hash -355359768, now seen corresponding path program 1 times [2021-03-26 10:04:01,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:01,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871740721] [2021-03-26 10:04:01,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:02,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:02,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:02,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:02,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871740721] [2021-03-26 10:04:02,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:02,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 10:04:02,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316715589] [2021-03-26 10:04:02,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:04:02,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:02,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:04:02,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:04:02,015 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 198 [2021-03-26 10:04:02,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 27 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,016 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:02,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 198 [2021-03-26 10:04:02,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:02,032 INFO L129 PetriNetUnfolder]: 3/39 cut-off events. [2021-03-26 10:04:02,032 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 10:04:02,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 39 events. 3/39 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 1 based on Foata normal form. 1/38 useless extension candidates. Maximal degree in co-relation 57. Up to 10 conditions per place. [2021-03-26 10:04:02,033 INFO L132 encePairwiseOnDemand]: 194/198 looper letters, 3 selfloop transitions, 3 changer transitions 0/29 dead transitions. [2021-03-26 10:04:02,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 29 transitions, 86 flow [2021-03-26 10:04:02,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:04:02,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:04:02,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2021-03-26 10:04:02,035 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8855218855218855 [2021-03-26 10:04:02,035 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 526 transitions. [2021-03-26 10:04:02,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 526 transitions. [2021-03-26 10:04:02,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:02,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 526 transitions. [2021-03-26 10:04:02,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,039 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,039 INFO L185 Difference]: Start difference. First operand has 39 places, 27 transitions, 70 flow. Second operand 3 states and 526 transitions. [2021-03-26 10:04:02,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 29 transitions, 86 flow [2021-03-26 10:04:02,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 29 transitions, 82 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:04:02,040 INFO L241 Difference]: Finished difference. Result has 40 places, 29 transitions, 85 flow [2021-03-26 10:04:02,040 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2021-03-26 10:04:02,041 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -16 predicate places. [2021-03-26 10:04:02,041 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:02,041 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 29 transitions, 85 flow [2021-03-26 10:04:02,041 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 29 transitions, 85 flow [2021-03-26 10:04:02,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 29 transitions, 85 flow [2021-03-26 10:04:02,047 INFO L129 PetriNetUnfolder]: 3/35 cut-off events. [2021-03-26 10:04:02,047 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 10:04:02,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 35 events. 3/35 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 76 event pairs, 1 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 54. Up to 10 conditions per place. [2021-03-26 10:04:02,048 INFO L142 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-26 10:04:02,050 INFO L154 LiptonReduction]: Checked pairs total: 414 [2021-03-26 10:04:02,050 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:02,051 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 10:04:02,052 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 85 flow [2021-03-26 10:04:02,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,052 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:02,052 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:02,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:04:02,053 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:02,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:02,053 INFO L82 PathProgramCache]: Analyzing trace with hash -775681961, now seen corresponding path program 1 times [2021-03-26 10:04:02,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:02,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377751216] [2021-03-26 10:04:02,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:02,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:02,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:04:02,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:02,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:04:02,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:02,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377751216] [2021-03-26 10:04:02,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:02,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 10:04:02,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205457497] [2021-03-26 10:04:02,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:04:02,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:02,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:04:02,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:04:02,161 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 198 [2021-03-26 10:04:02,162 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:02,162 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 198 [2021-03-26 10:04:02,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:02,239 INFO L129 PetriNetUnfolder]: 166/316 cut-off events. [2021-03-26 10:04:02,240 INFO L130 PetriNetUnfolder]: For 70/79 co-relation queries the response was YES. [2021-03-26 10:04:02,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 670 conditions, 316 events. 166/316 cut-off events. For 70/79 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1531 event pairs, 116 based on Foata normal form. 3/283 useless extension candidates. Maximal degree in co-relation 659. Up to 237 conditions per place. [2021-03-26 10:04:02,243 INFO L132 encePairwiseOnDemand]: 194/198 looper letters, 9 selfloop transitions, 3 changer transitions 0/33 dead transitions. [2021-03-26 10:04:02,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 33 transitions, 117 flow [2021-03-26 10:04:02,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:04:02,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:04:02,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 493 transitions. [2021-03-26 10:04:02,245 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.82996632996633 [2021-03-26 10:04:02,245 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 493 transitions. [2021-03-26 10:04:02,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 493 transitions. [2021-03-26 10:04:02,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:02,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 493 transitions. [2021-03-26 10:04:02,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,249 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,249 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 85 flow. Second operand 3 states and 493 transitions. [2021-03-26 10:04:02,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 33 transitions, 117 flow [2021-03-26 10:04:02,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 33 transitions, 114 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:04:02,252 INFO L241 Difference]: Finished difference. Result has 42 places, 31 transitions, 101 flow [2021-03-26 10:04:02,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=101, PETRI_PLACES=42, PETRI_TRANSITIONS=31} [2021-03-26 10:04:02,253 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -14 predicate places. [2021-03-26 10:04:02,253 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:02,253 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 31 transitions, 101 flow [2021-03-26 10:04:02,253 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 31 transitions, 101 flow [2021-03-26 10:04:02,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 31 transitions, 101 flow [2021-03-26 10:04:02,262 INFO L129 PetriNetUnfolder]: 7/51 cut-off events. [2021-03-26 10:04:02,262 INFO L130 PetriNetUnfolder]: For 19/21 co-relation queries the response was YES. [2021-03-26 10:04:02,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 51 events. 7/51 cut-off events. For 19/21 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 154 event pairs, 3 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 92. Up to 15 conditions per place. [2021-03-26 10:04:02,263 INFO L142 LiptonReduction]: Number of co-enabled transitions 462 [2021-03-26 10:04:02,336 INFO L154 LiptonReduction]: Checked pairs total: 340 [2021-03-26 10:04:02,336 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:02,336 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-03-26 10:04:02,341 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 101 flow [2021-03-26 10:04:02,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,342 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:02,342 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:02,342 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:04:02,342 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:02,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:02,343 INFO L82 PathProgramCache]: Analyzing trace with hash 2139407533, now seen corresponding path program 1 times [2021-03-26 10:04:02,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:02,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806841291] [2021-03-26 10:04:02,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:02,451 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-26 10:04:02,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 10:04:02,468 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 10:04:02,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 10:04:02,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:02,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:04:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:02,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806841291] [2021-03-26 10:04:02,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:02,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:04:02,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867645865] [2021-03-26 10:04:02,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:04:02,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:02,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:04:02,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:04:02,502 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 198 [2021-03-26 10:04:02,503 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 31 transitions, 101 flow. Second operand has 5 states, 5 states have (on average 157.8) internal successors, (789), 5 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,503 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:02,503 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 198 [2021-03-26 10:04:02,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:02,602 INFO L129 PetriNetUnfolder]: 165/313 cut-off events. [2021-03-26 10:04:02,602 INFO L130 PetriNetUnfolder]: For 172/186 co-relation queries the response was YES. [2021-03-26 10:04:02,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 772 conditions, 313 events. 165/313 cut-off events. For 172/186 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1477 event pairs, 66 based on Foata normal form. 7/286 useless extension candidates. Maximal degree in co-relation 759. Up to 191 conditions per place. [2021-03-26 10:04:02,605 INFO L132 encePairwiseOnDemand]: 192/198 looper letters, 11 selfloop transitions, 7 changer transitions 0/39 dead transitions. [2021-03-26 10:04:02,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 39 transitions, 161 flow [2021-03-26 10:04:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:04:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:04:02,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 646 transitions. [2021-03-26 10:04:02,607 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8156565656565656 [2021-03-26 10:04:02,608 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 646 transitions. [2021-03-26 10:04:02,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 646 transitions. [2021-03-26 10:04:02,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:02,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 646 transitions. [2021-03-26 10:04:02,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 161.5) internal successors, (646), 4 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,612 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,612 INFO L185 Difference]: Start difference. First operand has 42 places, 31 transitions, 101 flow. Second operand 4 states and 646 transitions. [2021-03-26 10:04:02,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 39 transitions, 161 flow [2021-03-26 10:04:02,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 39 transitions, 158 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:04:02,614 INFO L241 Difference]: Finished difference. Result has 45 places, 34 transitions, 130 flow [2021-03-26 10:04:02,614 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=130, PETRI_PLACES=45, PETRI_TRANSITIONS=34} [2021-03-26 10:04:02,614 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -11 predicate places. [2021-03-26 10:04:02,614 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:02,614 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 34 transitions, 130 flow [2021-03-26 10:04:02,615 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 34 transitions, 130 flow [2021-03-26 10:04:02,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 34 transitions, 130 flow [2021-03-26 10:04:02,629 INFO L129 PetriNetUnfolder]: 31/111 cut-off events. [2021-03-26 10:04:02,629 INFO L130 PetriNetUnfolder]: For 95/106 co-relation queries the response was YES. [2021-03-26 10:04:02,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 111 events. 31/111 cut-off events. For 95/106 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 494 event pairs, 17 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 257. Up to 40 conditions per place. [2021-03-26 10:04:02,631 INFO L142 LiptonReduction]: Number of co-enabled transitions 508 [2021-03-26 10:04:02,664 INFO L154 LiptonReduction]: Checked pairs total: 306 [2021-03-26 10:04:02,664 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:02,664 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-26 10:04:02,665 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 34 transitions, 130 flow [2021-03-26 10:04:02,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 157.8) internal successors, (789), 5 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,665 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:02,665 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:02,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:04:02,666 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:02,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:02,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1109278833, now seen corresponding path program 1 times [2021-03-26 10:04:02,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:02,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591918008] [2021-03-26 10:04:02,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:02,732 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-03-26 10:04:02,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:04:02,741 INFO L142 QuantifierPusher]: treesize reduction 40, result has 56.0 percent of original size [2021-03-26 10:04:02,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 10:04:02,762 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-26 10:04:02,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 10:04:02,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:02,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591918008] [2021-03-26 10:04:02,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:02,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:04:02,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510988140] [2021-03-26 10:04:02,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:04:02,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:02,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:04:02,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:04:02,791 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 198 [2021-03-26 10:04:02,792 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 34 transitions, 130 flow. Second operand has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,792 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:02,792 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 198 [2021-03-26 10:04:02,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:02,900 INFO L129 PetriNetUnfolder]: 172/354 cut-off events. [2021-03-26 10:04:02,900 INFO L130 PetriNetUnfolder]: For 385/530 co-relation queries the response was YES. [2021-03-26 10:04:02,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1001 conditions, 354 events. 172/354 cut-off events. For 385/530 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1726 event pairs, 65 based on Foata normal form. 8/324 useless extension candidates. Maximal degree in co-relation 986. Up to 254 conditions per place. [2021-03-26 10:04:02,904 INFO L132 encePairwiseOnDemand]: 190/198 looper letters, 14 selfloop transitions, 8 changer transitions 0/43 dead transitions. [2021-03-26 10:04:02,904 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 43 transitions, 209 flow [2021-03-26 10:04:02,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:04:02,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:04:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 634 transitions. [2021-03-26 10:04:02,906 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8005050505050505 [2021-03-26 10:04:02,907 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 634 transitions. [2021-03-26 10:04:02,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 634 transitions. [2021-03-26 10:04:02,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:02,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 634 transitions. [2021-03-26 10:04:02,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 158.5) internal successors, (634), 4 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,911 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,911 INFO L185 Difference]: Start difference. First operand has 45 places, 34 transitions, 130 flow. Second operand 4 states and 634 transitions. [2021-03-26 10:04:02,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 43 transitions, 209 flow [2021-03-26 10:04:02,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 43 transitions, 202 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 10:04:02,915 INFO L241 Difference]: Finished difference. Result has 49 places, 41 transitions, 191 flow [2021-03-26 10:04:02,915 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=191, PETRI_PLACES=49, PETRI_TRANSITIONS=41} [2021-03-26 10:04:02,915 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -7 predicate places. [2021-03-26 10:04:02,915 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:02,915 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 41 transitions, 191 flow [2021-03-26 10:04:02,915 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 41 transitions, 191 flow [2021-03-26 10:04:02,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 41 transitions, 191 flow [2021-03-26 10:04:02,950 INFO L129 PetriNetUnfolder]: 101/232 cut-off events. [2021-03-26 10:04:02,950 INFO L130 PetriNetUnfolder]: For 461/497 co-relation queries the response was YES. [2021-03-26 10:04:02,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 744 conditions, 232 events. 101/232 cut-off events. For 461/497 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1189 event pairs, 33 based on Foata normal form. 1/178 useless extension candidates. Maximal degree in co-relation 728. Up to 115 conditions per place. [2021-03-26 10:04:02,953 INFO L142 LiptonReduction]: Number of co-enabled transitions 636 [2021-03-26 10:04:02,962 INFO L154 LiptonReduction]: Checked pairs total: 296 [2021-03-26 10:04:02,962 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:02,962 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-03-26 10:04:02,967 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 41 transitions, 191 flow [2021-03-26 10:04:02,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:02,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:02,967 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:02,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:04:02,968 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:02,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:02,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1680393313, now seen corresponding path program 2 times [2021-03-26 10:04:02,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:02,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650769157] [2021-03-26 10:04:02,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:03,073 INFO L142 QuantifierPusher]: treesize reduction 30, result has 34.8 percent of original size [2021-03-26 10:04:03,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:04:03,086 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 10:04:03,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 10:04:03,109 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-26 10:04:03,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 10:04:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:03,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650769157] [2021-03-26 10:04:03,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:03,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:04:03,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692840063] [2021-03-26 10:04:03,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:04:03,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:03,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:04:03,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:04:03,141 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 198 [2021-03-26 10:04:03,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 191 flow. Second operand has 5 states, 5 states have (on average 158.8) internal successors, (794), 5 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:03,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:03,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 198 [2021-03-26 10:04:03,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:03,278 INFO L129 PetriNetUnfolder]: 175/343 cut-off events. [2021-03-26 10:04:03,278 INFO L130 PetriNetUnfolder]: For 652/951 co-relation queries the response was YES. [2021-03-26 10:04:03,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1157 conditions, 343 events. 175/343 cut-off events. For 652/951 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1647 event pairs, 62 based on Foata normal form. 13/321 useless extension candidates. Maximal degree in co-relation 1139. Up to 249 conditions per place. [2021-03-26 10:04:03,282 INFO L132 encePairwiseOnDemand]: 192/198 looper letters, 18 selfloop transitions, 10 changer transitions 0/49 dead transitions. [2021-03-26 10:04:03,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 49 transitions, 287 flow [2021-03-26 10:04:03,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:04:03,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:04:03,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 649 transitions. [2021-03-26 10:04:03,289 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8194444444444444 [2021-03-26 10:04:03,289 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 649 transitions. [2021-03-26 10:04:03,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 649 transitions. [2021-03-26 10:04:03,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:03,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 649 transitions. [2021-03-26 10:04:03,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 162.25) internal successors, (649), 4 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:03,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:03,293 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:03,293 INFO L185 Difference]: Start difference. First operand has 49 places, 41 transitions, 191 flow. Second operand 4 states and 649 transitions. [2021-03-26 10:04:03,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 49 transitions, 287 flow [2021-03-26 10:04:03,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 49 transitions, 279 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-03-26 10:04:03,298 INFO L241 Difference]: Finished difference. Result has 53 places, 46 transitions, 248 flow [2021-03-26 10:04:03,298 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=248, PETRI_PLACES=53, PETRI_TRANSITIONS=46} [2021-03-26 10:04:03,299 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -3 predicate places. [2021-03-26 10:04:03,299 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:03,299 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 46 transitions, 248 flow [2021-03-26 10:04:03,299 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 46 transitions, 248 flow [2021-03-26 10:04:03,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 46 transitions, 248 flow [2021-03-26 10:04:03,336 INFO L129 PetriNetUnfolder]: 105/237 cut-off events. [2021-03-26 10:04:03,336 INFO L130 PetriNetUnfolder]: For 621/690 co-relation queries the response was YES. [2021-03-26 10:04:03,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 860 conditions, 237 events. 105/237 cut-off events. For 621/690 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1208 event pairs, 27 based on Foata normal form. 2/198 useless extension candidates. Maximal degree in co-relation 841. Up to 116 conditions per place. [2021-03-26 10:04:03,340 INFO L142 LiptonReduction]: Number of co-enabled transitions 718 [2021-03-26 10:04:03,354 INFO L154 LiptonReduction]: Checked pairs total: 532 [2021-03-26 10:04:03,354 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:03,354 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-26 10:04:03,355 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 46 transitions, 248 flow [2021-03-26 10:04:03,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 158.8) internal successors, (794), 5 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:03,356 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:03,356 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:03,356 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:04:03,356 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:03,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:03,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1047997460, now seen corresponding path program 1 times [2021-03-26 10:04:03,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:03,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102033548] [2021-03-26 10:04:03,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:03,449 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.1 percent of original size [2021-03-26 10:04:03,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-26 10:04:03,488 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.3 percent of original size [2021-03-26 10:04:03,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 10:04:03,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:03,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:04:03,553 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-03-26 10:04:03,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 10:04:03,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:03,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102033548] [2021-03-26 10:04:03,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:03,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:04:03,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300270159] [2021-03-26 10:04:03,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:04:03,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:03,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:04:03,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:04:03,570 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 198 [2021-03-26 10:04:03,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 46 transitions, 248 flow. Second operand has 6 states, 6 states have (on average 148.83333333333334) internal successors, (893), 6 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:03,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:03,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 198 [2021-03-26 10:04:03,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:03,674 INFO L129 PetriNetUnfolder]: 162/318 cut-off events. [2021-03-26 10:04:03,675 INFO L130 PetriNetUnfolder]: For 888/1386 co-relation queries the response was YES. [2021-03-26 10:04:03,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1221 conditions, 318 events. 162/318 cut-off events. For 888/1386 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1518 event pairs, 52 based on Foata normal form. 22/306 useless extension candidates. Maximal degree in co-relation 1200. Up to 201 conditions per place. [2021-03-26 10:04:03,679 INFO L132 encePairwiseOnDemand]: 194/198 looper letters, 23 selfloop transitions, 7 changer transitions 0/51 dead transitions. [2021-03-26 10:04:03,679 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 51 transitions, 338 flow [2021-03-26 10:04:03,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:04:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:04:03,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 608 transitions. [2021-03-26 10:04:03,681 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7676767676767676 [2021-03-26 10:04:03,681 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 608 transitions. [2021-03-26 10:04:03,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 608 transitions. [2021-03-26 10:04:03,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:03,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 608 transitions. [2021-03-26 10:04:03,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:03,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:03,684 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:03,684 INFO L185 Difference]: Start difference. First operand has 53 places, 46 transitions, 248 flow. Second operand 4 states and 608 transitions. [2021-03-26 10:04:03,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 51 transitions, 338 flow [2021-03-26 10:04:03,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 51 transitions, 321 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-26 10:04:03,689 INFO L241 Difference]: Finished difference. Result has 55 places, 46 transitions, 251 flow [2021-03-26 10:04:03,690 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=251, PETRI_PLACES=55, PETRI_TRANSITIONS=46} [2021-03-26 10:04:03,690 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -1 predicate places. [2021-03-26 10:04:03,690 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:03,690 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 46 transitions, 251 flow [2021-03-26 10:04:03,690 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 46 transitions, 251 flow [2021-03-26 10:04:03,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 46 transitions, 251 flow [2021-03-26 10:04:03,719 INFO L129 PetriNetUnfolder]: 93/214 cut-off events. [2021-03-26 10:04:03,719 INFO L130 PetriNetUnfolder]: For 702/760 co-relation queries the response was YES. [2021-03-26 10:04:03,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 214 events. 93/214 cut-off events. For 702/760 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1049 event pairs, 26 based on Foata normal form. 1/180 useless extension candidates. Maximal degree in co-relation 807. Up to 104 conditions per place. [2021-03-26 10:04:03,723 INFO L142 LiptonReduction]: Number of co-enabled transitions 718 [2021-03-26 10:04:03,735 INFO L154 LiptonReduction]: Checked pairs total: 577 [2021-03-26 10:04:03,736 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:03,736 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-26 10:04:03,736 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 46 transitions, 251 flow [2021-03-26 10:04:03,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 148.83333333333334) internal successors, (893), 6 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:03,737 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:03,737 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:03,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:04:03,737 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:03,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:03,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1031582619, now seen corresponding path program 1 times [2021-03-26 10:04:03,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:03,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165435540] [2021-03-26 10:04:03,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:03,819 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-03-26 10:04:03,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:04:03,826 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-03-26 10:04:03,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:04:03,836 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-03-26 10:04:03,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 10:04:03,854 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 10:04:03,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 10:04:03,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:03,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165435540] [2021-03-26 10:04:03,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:03,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:04:03,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329903685] [2021-03-26 10:04:03,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:04:03,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:03,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:04:03,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:04:03,883 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 198 [2021-03-26 10:04:03,883 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 46 transitions, 251 flow. Second operand has 6 states, 6 states have (on average 155.83333333333334) internal successors, (935), 6 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) [2021-03-26 10:04:03,883 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:03,884 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 198 [2021-03-26 10:04:03,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:04,012 INFO L129 PetriNetUnfolder]: 178/341 cut-off events. [2021-03-26 10:04:04,012 INFO L130 PetriNetUnfolder]: For 1113/1568 co-relation queries the response was YES. [2021-03-26 10:04:04,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1367 conditions, 341 events. 178/341 cut-off events. For 1113/1568 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1605 event pairs, 34 based on Foata normal form. 27/336 useless extension candidates. Maximal degree in co-relation 1345. Up to 209 conditions per place. [2021-03-26 10:04:04,017 INFO L132 encePairwiseOnDemand]: 190/198 looper letters, 22 selfloop transitions, 14 changer transitions 0/57 dead transitions. [2021-03-26 10:04:04,017 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 57 transitions, 386 flow [2021-03-26 10:04:04,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:04:04,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:04:04,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 796 transitions. [2021-03-26 10:04:04,020 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.804040404040404 [2021-03-26 10:04:04,020 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 796 transitions. [2021-03-26 10:04:04,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 796 transitions. [2021-03-26 10:04:04,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:04,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 796 transitions. [2021-03-26 10:04:04,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 159.2) internal successors, (796), 5 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:04,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:04,026 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:04,026 INFO L185 Difference]: Start difference. First operand has 55 places, 46 transitions, 251 flow. Second operand 5 states and 796 transitions. [2021-03-26 10:04:04,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 57 transitions, 386 flow [2021-03-26 10:04:04,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 57 transitions, 373 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 10:04:04,030 INFO L241 Difference]: Finished difference. Result has 59 places, 53 transitions, 331 flow [2021-03-26 10:04:04,031 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=331, PETRI_PLACES=59, PETRI_TRANSITIONS=53} [2021-03-26 10:04:04,031 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 3 predicate places. [2021-03-26 10:04:04,031 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:04,031 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 53 transitions, 331 flow [2021-03-26 10:04:04,031 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 53 transitions, 331 flow [2021-03-26 10:04:04,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 53 transitions, 331 flow [2021-03-26 10:04:04,063 INFO L129 PetriNetUnfolder]: 95/225 cut-off events. [2021-03-26 10:04:04,064 INFO L130 PetriNetUnfolder]: For 869/984 co-relation queries the response was YES. [2021-03-26 10:04:04,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 946 conditions, 225 events. 95/225 cut-off events. For 869/984 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1115 event pairs, 20 based on Foata normal form. 5/201 useless extension candidates. Maximal degree in co-relation 924. Up to 100 conditions per place. [2021-03-26 10:04:04,067 INFO L142 LiptonReduction]: Number of co-enabled transitions 818 [2021-03-26 10:04:04,077 INFO L154 LiptonReduction]: Checked pairs total: 748 [2021-03-26 10:04:04,077 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:04,078 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-03-26 10:04:04,078 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 53 transitions, 331 flow [2021-03-26 10:04:04,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 155.83333333333334) internal successors, (935), 6 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) [2021-03-26 10:04:04,079 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:04,080 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:04,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:04:04,080 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:04,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:04,081 INFO L82 PathProgramCache]: Analyzing trace with hash -503290211, now seen corresponding path program 2 times [2021-03-26 10:04:04,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:04,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258866615] [2021-03-26 10:04:04,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:04,143 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-03-26 10:04:04,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:04:04,151 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-03-26 10:04:04,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:04:04,160 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-03-26 10:04:04,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:04:04,171 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-03-26 10:04:04,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 10:04:04,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:04,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258866615] [2021-03-26 10:04:04,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:04,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:04:04,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343272849] [2021-03-26 10:04:04,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:04:04,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:04,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:04:04,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:04:04,208 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 198 [2021-03-26 10:04:04,209 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 53 transitions, 331 flow. Second operand has 6 states, 6 states have (on average 154.83333333333334) internal successors, (929), 6 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:04,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:04,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 198 [2021-03-26 10:04:04,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:04,377 INFO L129 PetriNetUnfolder]: 184/367 cut-off events. [2021-03-26 10:04:04,377 INFO L130 PetriNetUnfolder]: For 1401/2206 co-relation queries the response was YES. [2021-03-26 10:04:04,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1659 conditions, 367 events. 184/367 cut-off events. For 1401/2206 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1800 event pairs, 26 based on Foata normal form. 39/374 useless extension candidates. Maximal degree in co-relation 1635. Up to 215 conditions per place. [2021-03-26 10:04:04,382 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 21 selfloop transitions, 18 changer transitions 0/60 dead transitions. [2021-03-26 10:04:04,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 60 transitions, 465 flow [2021-03-26 10:04:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:04:04,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:04:04,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 791 transitions. [2021-03-26 10:04:04,385 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.798989898989899 [2021-03-26 10:04:04,385 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 791 transitions. [2021-03-26 10:04:04,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 791 transitions. [2021-03-26 10:04:04,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:04,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 791 transitions. [2021-03-26 10:04:04,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 158.2) internal successors, (791), 5 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:04,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:04,389 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:04,389 INFO L185 Difference]: Start difference. First operand has 59 places, 53 transitions, 331 flow. Second operand 5 states and 791 transitions. [2021-03-26 10:04:04,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 60 transitions, 465 flow [2021-03-26 10:04:04,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 60 transitions, 441 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-03-26 10:04:04,393 INFO L241 Difference]: Finished difference. Result has 63 places, 56 transitions, 385 flow [2021-03-26 10:04:04,394 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=385, PETRI_PLACES=63, PETRI_TRANSITIONS=56} [2021-03-26 10:04:04,394 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 7 predicate places. [2021-03-26 10:04:04,394 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:04,394 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 56 transitions, 385 flow [2021-03-26 10:04:04,395 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 56 transitions, 385 flow [2021-03-26 10:04:04,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 56 transitions, 385 flow [2021-03-26 10:04:04,431 INFO L129 PetriNetUnfolder]: 104/239 cut-off events. [2021-03-26 10:04:04,431 INFO L130 PetriNetUnfolder]: For 1183/1272 co-relation queries the response was YES. [2021-03-26 10:04:04,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1143 conditions, 239 events. 104/239 cut-off events. For 1183/1272 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1187 event pairs, 21 based on Foata normal form. 6/211 useless extension candidates. Maximal degree in co-relation 1119. Up to 106 conditions per place. [2021-03-26 10:04:04,435 INFO L142 LiptonReduction]: Number of co-enabled transitions 856 [2021-03-26 10:04:04,461 INFO L154 LiptonReduction]: Checked pairs total: 842 [2021-03-26 10:04:04,461 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:04,461 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-03-26 10:04:04,462 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 56 transitions, 385 flow [2021-03-26 10:04:04,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 154.83333333333334) internal successors, (929), 6 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:04,463 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:04,463 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:04,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:04:04,463 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:04,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:04,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1807025015, now seen corresponding path program 3 times [2021-03-26 10:04:04,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:04,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886563768] [2021-03-26 10:04:04,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:04,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:04,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:04:04,528 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-03-26 10:04:04,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 10:04:04,550 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-03-26 10:04:04,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 10:04:04,577 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-26 10:04:04,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 10:04:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:04,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886563768] [2021-03-26 10:04:04,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:04,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:04:04,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427327403] [2021-03-26 10:04:04,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:04:04,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:04,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:04:04,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:04:04,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 198 [2021-03-26 10:04:04,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 56 transitions, 385 flow. Second operand has 6 states, 6 states have (on average 158.83333333333334) internal successors, (953), 6 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:04,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:04,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 198 [2021-03-26 10:04:04,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:04,782 INFO L129 PetriNetUnfolder]: 205/402 cut-off events. [2021-03-26 10:04:04,782 INFO L130 PetriNetUnfolder]: For 2434/3269 co-relation queries the response was YES. [2021-03-26 10:04:04,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2013 conditions, 402 events. 205/402 cut-off events. For 2434/3269 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 1972 event pairs, 32 based on Foata normal form. 46/416 useless extension candidates. Maximal degree in co-relation 1987. Up to 238 conditions per place. [2021-03-26 10:04:04,788 INFO L132 encePairwiseOnDemand]: 190/198 looper letters, 25 selfloop transitions, 23 changer transitions 0/69 dead transitions. [2021-03-26 10:04:04,788 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 69 transitions, 587 flow [2021-03-26 10:04:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:04:04,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:04:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 969 transitions. [2021-03-26 10:04:04,791 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8156565656565656 [2021-03-26 10:04:04,791 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 969 transitions. [2021-03-26 10:04:04,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 969 transitions. [2021-03-26 10:04:04,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:04,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 969 transitions. [2021-03-26 10:04:04,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 161.5) internal successors, (969), 6 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:04,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:04,796 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:04,796 INFO L185 Difference]: Start difference. First operand has 63 places, 56 transitions, 385 flow. Second operand 6 states and 969 transitions. [2021-03-26 10:04:04,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 69 transitions, 587 flow [2021-03-26 10:04:04,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 69 transitions, 524 flow, removed 16 selfloop flow, removed 3 redundant places. [2021-03-26 10:04:04,803 INFO L241 Difference]: Finished difference. Result has 66 places, 66 transitions, 485 flow [2021-03-26 10:04:04,803 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=485, PETRI_PLACES=66, PETRI_TRANSITIONS=66} [2021-03-26 10:04:04,803 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 10 predicate places. [2021-03-26 10:04:04,803 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:04,803 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 66 transitions, 485 flow [2021-03-26 10:04:04,804 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 66 transitions, 485 flow [2021-03-26 10:04:04,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 66 transitions, 485 flow [2021-03-26 10:04:04,838 INFO L129 PetriNetUnfolder]: 119/266 cut-off events. [2021-03-26 10:04:04,839 INFO L130 PetriNetUnfolder]: For 1071/1237 co-relation queries the response was YES. [2021-03-26 10:04:04,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 266 events. 119/266 cut-off events. For 1071/1237 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1261 event pairs, 24 based on Foata normal form. 10/250 useless extension candidates. Maximal degree in co-relation 1186. Up to 135 conditions per place. [2021-03-26 10:04:04,843 INFO L142 LiptonReduction]: Number of co-enabled transitions 976 [2021-03-26 10:04:04,859 INFO L154 LiptonReduction]: Checked pairs total: 1505 [2021-03-26 10:04:04,859 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:04,860 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-03-26 10:04:04,862 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 66 transitions, 485 flow [2021-03-26 10:04:04,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 158.83333333333334) internal successors, (953), 6 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:04,863 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:04,863 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:04,863 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:04:04,863 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:04,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:04,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1539031690, now seen corresponding path program 1 times [2021-03-26 10:04:04,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:04,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794343951] [2021-03-26 10:04:04,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:04,947 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-03-26 10:04:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:04:04,955 INFO L142 QuantifierPusher]: treesize reduction 30, result has 34.8 percent of original size [2021-03-26 10:04:04,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:04:04,965 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-03-26 10:04:04,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:04:04,975 INFO L142 QuantifierPusher]: treesize reduction 67, result has 30.2 percent of original size [2021-03-26 10:04:04,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 10:04:04,992 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 10:04:04,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 10:04:05,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:05,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794343951] [2021-03-26 10:04:05,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:05,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:04:05,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78566111] [2021-03-26 10:04:05,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:04:05,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:05,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:04:05,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:04:05,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 198 [2021-03-26 10:04:05,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 66 transitions, 485 flow. Second operand has 7 states, 7 states have (on average 155.85714285714286) internal successors, (1091), 7 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:05,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:05,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 198 [2021-03-26 10:04:05,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:05,169 INFO L129 PetriNetUnfolder]: 219/444 cut-off events. [2021-03-26 10:04:05,170 INFO L130 PetriNetUnfolder]: For 2461/3769 co-relation queries the response was YES. [2021-03-26 10:04:05,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2326 conditions, 444 events. 219/444 cut-off events. For 2461/3769 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2312 event pairs, 16 based on Foata normal form. 57/471 useless extension candidates. Maximal degree in co-relation 2299. Up to 267 conditions per place. [2021-03-26 10:04:05,177 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 35 selfloop transitions, 20 changer transitions 0/76 dead transitions. [2021-03-26 10:04:05,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 76 transitions, 694 flow [2021-03-26 10:04:05,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:04:05,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:04:05,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 795 transitions. [2021-03-26 10:04:05,180 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.803030303030303 [2021-03-26 10:04:05,180 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 795 transitions. [2021-03-26 10:04:05,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 795 transitions. [2021-03-26 10:04:05,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:05,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 795 transitions. [2021-03-26 10:04:05,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:05,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:05,184 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:05,184 INFO L185 Difference]: Start difference. First operand has 66 places, 66 transitions, 485 flow. Second operand 5 states and 795 transitions. [2021-03-26 10:04:05,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 76 transitions, 694 flow [2021-03-26 10:04:05,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 76 transitions, 657 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-26 10:04:05,191 INFO L241 Difference]: Finished difference. Result has 68 places, 69 transitions, 547 flow [2021-03-26 10:04:05,191 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=547, PETRI_PLACES=68, PETRI_TRANSITIONS=69} [2021-03-26 10:04:05,191 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 12 predicate places. [2021-03-26 10:04:05,191 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:05,191 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 69 transitions, 547 flow [2021-03-26 10:04:05,192 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 69 transitions, 547 flow [2021-03-26 10:04:05,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 69 transitions, 547 flow [2021-03-26 10:04:05,228 INFO L129 PetriNetUnfolder]: 127/289 cut-off events. [2021-03-26 10:04:05,229 INFO L130 PetriNetUnfolder]: For 1397/1553 co-relation queries the response was YES. [2021-03-26 10:04:05,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1382 conditions, 289 events. 127/289 cut-off events. For 1397/1553 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1460 event pairs, 20 based on Foata normal form. 10/274 useless extension candidates. Maximal degree in co-relation 1356. Up to 144 conditions per place. [2021-03-26 10:04:05,234 INFO L142 LiptonReduction]: Number of co-enabled transitions 1018 [2021-03-26 10:04:05,252 INFO L154 LiptonReduction]: Checked pairs total: 1668 [2021-03-26 10:04:05,253 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:05,253 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-26 10:04:05,253 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 69 transitions, 547 flow [2021-03-26 10:04:05,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 155.85714285714286) internal successors, (1091), 7 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:05,254 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:05,254 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:05,254 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 10:04:05,254 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:05,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:05,255 INFO L82 PathProgramCache]: Analyzing trace with hash 748408396, now seen corresponding path program 2 times [2021-03-26 10:04:05,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:05,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400011372] [2021-03-26 10:04:05,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:05,321 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-03-26 10:04:05,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:04:05,329 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-03-26 10:04:05,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:04:05,338 INFO L142 QuantifierPusher]: treesize reduction 60, result has 30.2 percent of original size [2021-03-26 10:04:05,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 10:04:05,354 INFO L142 QuantifierPusher]: treesize reduction 60, result has 25.0 percent of original size [2021-03-26 10:04:05,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 10:04:05,367 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-03-26 10:04:05,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 10:04:05,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:05,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400011372] [2021-03-26 10:04:05,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:05,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:04:05,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307573622] [2021-03-26 10:04:05,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:04:05,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:05,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:04:05,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:04:05,406 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 198 [2021-03-26 10:04:05,406 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 69 transitions, 547 flow. Second operand has 7 states, 7 states have (on average 151.85714285714286) internal successors, (1063), 7 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:05,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:05,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 198 [2021-03-26 10:04:05,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:05,637 INFO L129 PetriNetUnfolder]: 216/448 cut-off events. [2021-03-26 10:04:05,637 INFO L130 PetriNetUnfolder]: For 2605/4052 co-relation queries the response was YES. [2021-03-26 10:04:05,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2464 conditions, 448 events. 216/448 cut-off events. For 2605/4052 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2369 event pairs, 25 based on Foata normal form. 91/508 useless extension candidates. Maximal degree in co-relation 2436. Up to 264 conditions per place. [2021-03-26 10:04:05,644 INFO L132 encePairwiseOnDemand]: 190/198 looper letters, 26 selfloop transitions, 42 changer transitions 0/89 dead transitions. [2021-03-26 10:04:05,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 89 transitions, 881 flow [2021-03-26 10:04:05,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 10:04:05,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 10:04:05,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1238 transitions. [2021-03-26 10:04:05,648 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7815656565656566 [2021-03-26 10:04:05,648 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1238 transitions. [2021-03-26 10:04:05,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1238 transitions. [2021-03-26 10:04:05,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:05,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1238 transitions. [2021-03-26 10:04:05,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 154.75) internal successors, (1238), 8 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:05,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 198.0) internal successors, (1782), 9 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:05,654 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 198.0) internal successors, (1782), 9 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:05,654 INFO L185 Difference]: Start difference. First operand has 68 places, 69 transitions, 547 flow. Second operand 8 states and 1238 transitions. [2021-03-26 10:04:05,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 89 transitions, 881 flow [2021-03-26 10:04:05,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 89 transitions, 834 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-03-26 10:04:05,662 INFO L241 Difference]: Finished difference. Result has 77 places, 86 transitions, 830 flow [2021-03-26 10:04:05,663 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=830, PETRI_PLACES=77, PETRI_TRANSITIONS=86} [2021-03-26 10:04:05,663 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 21 predicate places. [2021-03-26 10:04:05,663 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:05,663 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 86 transitions, 830 flow [2021-03-26 10:04:05,663 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 86 transitions, 830 flow [2021-03-26 10:04:05,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 86 transitions, 830 flow [2021-03-26 10:04:05,707 INFO L129 PetriNetUnfolder]: 127/286 cut-off events. [2021-03-26 10:04:05,708 INFO L130 PetriNetUnfolder]: For 1889/2120 co-relation queries the response was YES. [2021-03-26 10:04:05,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1554 conditions, 286 events. 127/286 cut-off events. For 1889/2120 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1445 event pairs, 12 based on Foata normal form. 14/276 useless extension candidates. Maximal degree in co-relation 1523. Up to 145 conditions per place. [2021-03-26 10:04:05,713 INFO L142 LiptonReduction]: Number of co-enabled transitions 1174 [2021-03-26 10:04:05,735 INFO L154 LiptonReduction]: Checked pairs total: 2424 [2021-03-26 10:04:05,736 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:05,736 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-03-26 10:04:05,736 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 86 transitions, 830 flow [2021-03-26 10:04:05,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 151.85714285714286) internal successors, (1063), 7 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:05,737 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:05,737 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:05,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 10:04:05,737 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:05,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:05,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1663579586, now seen corresponding path program 1 times [2021-03-26 10:04:05,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:05,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549522176] [2021-03-26 10:04:05,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:05,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:05,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:05,788 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:04:05,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:04:05,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:05,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:04:05,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:05,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549522176] [2021-03-26 10:04:05,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:05,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:04:05,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472984612] [2021-03-26 10:04:05,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:04:05,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:05,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:04:05,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:04:05,798 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 198 [2021-03-26 10:04:05,798 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 86 transitions, 830 flow. Second operand has 4 states, 4 states have (on average 161.75) internal successors, (647), 4 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:05,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:05,799 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 198 [2021-03-26 10:04:05,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:06,023 INFO L129 PetriNetUnfolder]: 684/1245 cut-off events. [2021-03-26 10:04:06,023 INFO L130 PetriNetUnfolder]: For 7779/8801 co-relation queries the response was YES. [2021-03-26 10:04:06,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5583 conditions, 1245 events. 684/1245 cut-off events. For 7779/8801 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 7972 event pairs, 201 based on Foata normal form. 249/1341 useless extension candidates. Maximal degree in co-relation 5550. Up to 548 conditions per place. [2021-03-26 10:04:06,042 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 15 selfloop transitions, 10 changer transitions 0/99 dead transitions. [2021-03-26 10:04:06,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 99 transitions, 906 flow [2021-03-26 10:04:06,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:04:06,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:04:06,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 827 transitions. [2021-03-26 10:04:06,044 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8353535353535354 [2021-03-26 10:04:06,044 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 827 transitions. [2021-03-26 10:04:06,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 827 transitions. [2021-03-26 10:04:06,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:06,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 827 transitions. [2021-03-26 10:04:06,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 165.4) internal successors, (827), 5 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:06,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:06,048 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:06,048 INFO L185 Difference]: Start difference. First operand has 77 places, 86 transitions, 830 flow. Second operand 5 states and 827 transitions. [2021-03-26 10:04:06,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 99 transitions, 906 flow [2021-03-26 10:04:06,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 99 transitions, 871 flow, removed 17 selfloop flow, removed 1 redundant places. [2021-03-26 10:04:06,070 INFO L241 Difference]: Finished difference. Result has 83 places, 95 transitions, 890 flow [2021-03-26 10:04:06,070 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=890, PETRI_PLACES=83, PETRI_TRANSITIONS=95} [2021-03-26 10:04:06,070 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 27 predicate places. [2021-03-26 10:04:06,070 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:06,070 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 95 transitions, 890 flow [2021-03-26 10:04:06,071 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 95 transitions, 890 flow [2021-03-26 10:04:06,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 95 transitions, 890 flow [2021-03-26 10:04:06,200 INFO L129 PetriNetUnfolder]: 582/1048 cut-off events. [2021-03-26 10:04:06,200 INFO L130 PetriNetUnfolder]: For 5819/6217 co-relation queries the response was YES. [2021-03-26 10:04:06,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4896 conditions, 1048 events. 582/1048 cut-off events. For 5819/6217 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 6890 event pairs, 167 based on Foata normal form. 40/936 useless extension candidates. Maximal degree in co-relation 4861. Up to 540 conditions per place. [2021-03-26 10:04:06,223 INFO L142 LiptonReduction]: Number of co-enabled transitions 1430 [2021-03-26 10:04:06,301 INFO L154 LiptonReduction]: Checked pairs total: 1503 [2021-03-26 10:04:06,302 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:06,302 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 232 [2021-03-26 10:04:06,302 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 95 transitions, 890 flow [2021-03-26 10:04:06,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 161.75) internal successors, (647), 4 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:06,303 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:06,303 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:06,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 10:04:06,303 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:06,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:06,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1150131952, now seen corresponding path program 1 times [2021-03-26 10:04:06,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:06,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208953003] [2021-03-26 10:04:06,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:06,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:04:06,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:06,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:06,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:06,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208953003] [2021-03-26 10:04:06,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:06,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:04:06,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750985932] [2021-03-26 10:04:06,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:04:06,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:06,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:04:06,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:04:06,348 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 198 [2021-03-26 10:04:06,349 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 95 transitions, 890 flow. Second operand has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:06,349 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:06,349 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 198 [2021-03-26 10:04:06,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:06,654 INFO L129 PetriNetUnfolder]: 1196/2181 cut-off events. [2021-03-26 10:04:06,654 INFO L130 PetriNetUnfolder]: For 16746/18522 co-relation queries the response was YES. [2021-03-26 10:04:06,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10125 conditions, 2181 events. 1196/2181 cut-off events. For 16746/18522 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 15626 event pairs, 364 based on Foata normal form. 216/2055 useless extension candidates. Maximal degree in co-relation 10088. Up to 1077 conditions per place. [2021-03-26 10:04:06,686 INFO L132 encePairwiseOnDemand]: 195/198 looper letters, 5 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2021-03-26 10:04:06,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 97 transitions, 909 flow [2021-03-26 10:04:06,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:04:06,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:04:06,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 533 transitions. [2021-03-26 10:04:06,689 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8973063973063973 [2021-03-26 10:04:06,689 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 533 transitions. [2021-03-26 10:04:06,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 533 transitions. [2021-03-26 10:04:06,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:06,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 533 transitions. [2021-03-26 10:04:06,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:06,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:06,696 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:06,696 INFO L185 Difference]: Start difference. First operand has 83 places, 95 transitions, 890 flow. Second operand 3 states and 533 transitions. [2021-03-26 10:04:06,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 97 transitions, 909 flow [2021-03-26 10:04:06,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 97 transitions, 904 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:04:06,721 INFO L241 Difference]: Finished difference. Result has 85 places, 96 transitions, 897 flow [2021-03-26 10:04:06,721 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=885, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=897, PETRI_PLACES=85, PETRI_TRANSITIONS=96} [2021-03-26 10:04:06,722 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 29 predicate places. [2021-03-26 10:04:06,722 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:06,722 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 96 transitions, 897 flow [2021-03-26 10:04:06,723 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 96 transitions, 897 flow [2021-03-26 10:04:06,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 96 transitions, 897 flow [2021-03-26 10:04:06,958 INFO L129 PetriNetUnfolder]: 966/1725 cut-off events. [2021-03-26 10:04:06,959 INFO L130 PetriNetUnfolder]: For 10622/11284 co-relation queries the response was YES. [2021-03-26 10:04:06,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7957 conditions, 1725 events. 966/1725 cut-off events. For 10622/11284 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 12150 event pairs, 327 based on Foata normal form. 85/1534 useless extension candidates. Maximal degree in co-relation 7921. Up to 921 conditions per place. [2021-03-26 10:04:06,996 INFO L142 LiptonReduction]: Number of co-enabled transitions 1470 [2021-03-26 10:04:07,240 INFO L154 LiptonReduction]: Checked pairs total: 988 [2021-03-26 10:04:07,242 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:07,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 520 [2021-03-26 10:04:07,246 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 96 transitions, 897 flow [2021-03-26 10:04:07,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:07,252 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:07,253 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:07,253 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 10:04:07,253 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:07,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:07,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1622006344, now seen corresponding path program 2 times [2021-03-26 10:04:07,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:07,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777626062] [2021-03-26 10:04:07,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:07,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:07,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:04:07,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:07,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:07,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:07,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777626062] [2021-03-26 10:04:07,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:07,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:04:07,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676928192] [2021-03-26 10:04:07,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:04:07,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:07,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:04:07,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:04:07,308 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 198 [2021-03-26 10:04:07,308 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 96 transitions, 897 flow. Second operand has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:07,308 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:07,308 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 198 [2021-03-26 10:04:07,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:07,670 INFO L129 PetriNetUnfolder]: 1620/2846 cut-off events. [2021-03-26 10:04:07,670 INFO L130 PetriNetUnfolder]: For 21891/24417 co-relation queries the response was YES. [2021-03-26 10:04:07,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12743 conditions, 2846 events. 1620/2846 cut-off events. For 21891/24417 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 20955 event pairs, 541 based on Foata normal form. 203/2571 useless extension candidates. Maximal degree in co-relation 12705. Up to 1586 conditions per place. [2021-03-26 10:04:07,704 INFO L132 encePairwiseOnDemand]: 195/198 looper letters, 3 selfloop transitions, 3 changer transitions 0/96 dead transitions. [2021-03-26 10:04:07,704 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 96 transitions, 909 flow [2021-03-26 10:04:07,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:04:07,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:04:07,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 525 transitions. [2021-03-26 10:04:07,706 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8838383838383839 [2021-03-26 10:04:07,707 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 525 transitions. [2021-03-26 10:04:07,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 525 transitions. [2021-03-26 10:04:07,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:07,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 525 transitions. [2021-03-26 10:04:07,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:07,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:07,709 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:07,709 INFO L185 Difference]: Start difference. First operand has 85 places, 96 transitions, 897 flow. Second operand 3 states and 525 transitions. [2021-03-26 10:04:07,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 96 transitions, 909 flow [2021-03-26 10:04:07,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 96 transitions, 907 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:04:07,743 INFO L241 Difference]: Finished difference. Result has 87 places, 96 transitions, 906 flow [2021-03-26 10:04:07,744 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=906, PETRI_PLACES=87, PETRI_TRANSITIONS=96} [2021-03-26 10:04:07,744 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 31 predicate places. [2021-03-26 10:04:07,744 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:07,744 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 96 transitions, 906 flow [2021-03-26 10:04:07,744 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 96 transitions, 906 flow [2021-03-26 10:04:07,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 96 transitions, 906 flow [2021-03-26 10:04:08,098 INFO L129 PetriNetUnfolder]: 1583/2786 cut-off events. [2021-03-26 10:04:08,099 INFO L130 PetriNetUnfolder]: For 16930/18443 co-relation queries the response was YES. [2021-03-26 10:04:08,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12414 conditions, 2786 events. 1583/2786 cut-off events. For 16930/18443 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 20936 event pairs, 520 based on Foata normal form. 140/2491 useless extension candidates. Maximal degree in co-relation 12377. Up to 1559 conditions per place. [2021-03-26 10:04:08,147 INFO L142 LiptonReduction]: Number of co-enabled transitions 1470 [2021-03-26 10:04:08,639 INFO L154 LiptonReduction]: Checked pairs total: 952 [2021-03-26 10:04:08,639 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:08,640 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 896 [2021-03-26 10:04:08,640 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 96 transitions, 906 flow [2021-03-26 10:04:08,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:08,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:08,641 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:08,641 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 10:04:08,641 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:08,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:08,641 INFO L82 PathProgramCache]: Analyzing trace with hash 274661505, now seen corresponding path program 1 times [2021-03-26 10:04:08,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:08,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324309139] [2021-03-26 10:04:08,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:08,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:08,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:08,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:08,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:08,682 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:04:08,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:04:08,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:08,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:04:08,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:08,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324309139] [2021-03-26 10:04:08,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:08,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:04:08,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344053545] [2021-03-26 10:04:08,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:04:08,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:08,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:04:08,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:04:08,691 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 198 [2021-03-26 10:04:08,691 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 96 transitions, 906 flow. Second operand has 5 states, 5 states have (on average 161.8) internal successors, (809), 5 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:08,691 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:08,691 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 198 [2021-03-26 10:04:08,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:08,987 INFO L129 PetriNetUnfolder]: 983/1952 cut-off events. [2021-03-26 10:04:08,987 INFO L130 PetriNetUnfolder]: For 13966/23390 co-relation queries the response was YES. [2021-03-26 10:04:08,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9251 conditions, 1952 events. 983/1952 cut-off events. For 13966/23390 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 14811 event pairs, 141 based on Foata normal form. 891/2554 useless extension candidates. Maximal degree in co-relation 9212. Up to 1257 conditions per place. [2021-03-26 10:04:09,003 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 13 selfloop transitions, 19 changer transitions 2/90 dead transitions. [2021-03-26 10:04:09,004 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 90 transitions, 835 flow [2021-03-26 10:04:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:04:09,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:04:09,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1158 transitions. [2021-03-26 10:04:09,007 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8354978354978355 [2021-03-26 10:04:09,007 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1158 transitions. [2021-03-26 10:04:09,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1158 transitions. [2021-03-26 10:04:09,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:09,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1158 transitions. [2021-03-26 10:04:09,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 165.42857142857142) internal successors, (1158), 7 states have internal predecessors, (1158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:09,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 198.0) internal successors, (1584), 8 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:09,012 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 198.0) internal successors, (1584), 8 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:09,012 INFO L185 Difference]: Start difference. First operand has 87 places, 96 transitions, 906 flow. Second operand 7 states and 1158 transitions. [2021-03-26 10:04:09,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 90 transitions, 835 flow [2021-03-26 10:04:09,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 90 transitions, 802 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-26 10:04:09,032 INFO L241 Difference]: Finished difference. Result has 92 places, 84 transitions, 785 flow [2021-03-26 10:04:09,032 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=785, PETRI_PLACES=92, PETRI_TRANSITIONS=84} [2021-03-26 10:04:09,032 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 36 predicate places. [2021-03-26 10:04:09,032 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:09,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 84 transitions, 785 flow [2021-03-26 10:04:09,033 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 84 transitions, 785 flow [2021-03-26 10:04:09,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 84 transitions, 785 flow [2021-03-26 10:04:09,209 INFO L129 PetriNetUnfolder]: 967/1932 cut-off events. [2021-03-26 10:04:09,209 INFO L130 PetriNetUnfolder]: For 12661/15585 co-relation queries the response was YES. [2021-03-26 10:04:09,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10127 conditions, 1932 events. 967/1932 cut-off events. For 12661/15585 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 15078 event pairs, 116 based on Foata normal form. 123/1808 useless extension candidates. Maximal degree in co-relation 10089. Up to 1250 conditions per place. [2021-03-26 10:04:09,233 INFO L142 LiptonReduction]: Number of co-enabled transitions 1598 [2021-03-26 10:04:09,492 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-26 10:04:09,909 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 86 [2021-03-26 10:04:10,034 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-03-26 10:04:10,127 INFO L154 LiptonReduction]: Checked pairs total: 1220 [2021-03-26 10:04:10,127 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:04:10,127 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1095 [2021-03-26 10:04:10,128 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 84 transitions, 794 flow [2021-03-26 10:04:10,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 161.8) internal successors, (809), 5 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:10,128 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:10,128 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:10,128 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 10:04:10,128 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:10,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:10,129 INFO L82 PathProgramCache]: Analyzing trace with hash -77315180, now seen corresponding path program 1 times [2021-03-26 10:04:10,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:10,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549706897] [2021-03-26 10:04:10,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:10,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:10,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:10,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:10,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:10,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:10,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:10,174 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:04:10,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:04:10,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:10,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:04:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:10,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549706897] [2021-03-26 10:04:10,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:10,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:04:10,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480994384] [2021-03-26 10:04:10,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:04:10,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:10,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:04:10,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:04:10,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 199 [2021-03-26 10:04:10,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 84 transitions, 794 flow. Second operand has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:10,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:10,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 199 [2021-03-26 10:04:10,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:10,442 INFO L129 PetriNetUnfolder]: 663/1449 cut-off events. [2021-03-26 10:04:10,442 INFO L130 PetriNetUnfolder]: For 12988/30935 co-relation queries the response was YES. [2021-03-26 10:04:10,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8286 conditions, 1449 events. 663/1449 cut-off events. For 12988/30935 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 11341 event pairs, 17 based on Foata normal form. 1163/2370 useless extension candidates. Maximal degree in co-relation 8246. Up to 1124 conditions per place. [2021-03-26 10:04:10,459 INFO L132 encePairwiseOnDemand]: 192/199 looper letters, 7 selfloop transitions, 28 changer transitions 4/91 dead transitions. [2021-03-26 10:04:10,459 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 91 transitions, 926 flow [2021-03-26 10:04:10,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 10:04:10,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 10:04:10,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1498 transitions. [2021-03-26 10:04:10,463 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8364042434394193 [2021-03-26 10:04:10,463 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1498 transitions. [2021-03-26 10:04:10,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1498 transitions. [2021-03-26 10:04:10,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:10,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1498 transitions. [2021-03-26 10:04:10,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 166.44444444444446) internal successors, (1498), 9 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:10,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 199.0) internal successors, (1990), 10 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:10,469 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 199.0) internal successors, (1990), 10 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:10,469 INFO L185 Difference]: Start difference. First operand has 92 places, 84 transitions, 794 flow. Second operand 9 states and 1498 transitions. [2021-03-26 10:04:10,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 91 transitions, 926 flow [2021-03-26 10:04:10,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 91 transitions, 819 flow, removed 25 selfloop flow, removed 10 redundant places. [2021-03-26 10:04:10,497 INFO L241 Difference]: Finished difference. Result has 93 places, 87 transitions, 797 flow [2021-03-26 10:04:10,497 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=797, PETRI_PLACES=93, PETRI_TRANSITIONS=87} [2021-03-26 10:04:10,497 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 37 predicate places. [2021-03-26 10:04:10,497 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:10,497 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 87 transitions, 797 flow [2021-03-26 10:04:10,498 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 87 transitions, 797 flow [2021-03-26 10:04:10,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 87 transitions, 797 flow [2021-03-26 10:04:10,618 INFO L129 PetriNetUnfolder]: 627/1401 cut-off events. [2021-03-26 10:04:10,618 INFO L130 PetriNetUnfolder]: For 12052/16781 co-relation queries the response was YES. [2021-03-26 10:04:10,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7313 conditions, 1401 events. 627/1401 cut-off events. For 12052/16781 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 11593 event pairs, 17 based on Foata normal form. 61/1221 useless extension candidates. Maximal degree in co-relation 7277. Up to 775 conditions per place. [2021-03-26 10:04:10,634 INFO L142 LiptonReduction]: Number of co-enabled transitions 1692 [2021-03-26 10:04:10,655 INFO L154 LiptonReduction]: Checked pairs total: 648 [2021-03-26 10:04:10,655 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:04:10,655 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 158 [2021-03-26 10:04:10,656 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 87 transitions, 797 flow [2021-03-26 10:04:10,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:10,656 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:10,656 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:10,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 10:04:10,657 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:10,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:10,657 INFO L82 PathProgramCache]: Analyzing trace with hash -2063200541, now seen corresponding path program 1 times [2021-03-26 10:04:10,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:10,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474536450] [2021-03-26 10:04:10,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:10,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:10,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:10,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:10,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:10,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:10,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:10,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:10,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:10,717 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:04:10,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:04:10,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:10,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:04:10,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:10,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474536450] [2021-03-26 10:04:10,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:10,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:04:10,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603314361] [2021-03-26 10:04:10,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:04:10,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:10,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:04:10,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:04:10,727 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 199 [2021-03-26 10:04:10,728 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 87 transitions, 797 flow. Second operand has 7 states, 7 states have (on average 162.85714285714286) internal successors, (1140), 7 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:10,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:10,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 199 [2021-03-26 10:04:10,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:10,930 INFO L129 PetriNetUnfolder]: 579/1301 cut-off events. [2021-03-26 10:04:10,930 INFO L130 PetriNetUnfolder]: For 15109/29906 co-relation queries the response was YES. [2021-03-26 10:04:10,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7622 conditions, 1301 events. 579/1301 cut-off events. For 15109/29906 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 10327 event pairs, 2 based on Foata normal form. 1048/2115 useless extension candidates. Maximal degree in co-relation 7584. Up to 718 conditions per place. [2021-03-26 10:04:10,940 INFO L132 encePairwiseOnDemand]: 192/199 looper letters, 2 selfloop transitions, 33 changer transitions 4/91 dead transitions. [2021-03-26 10:04:10,941 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 91 transitions, 912 flow [2021-03-26 10:04:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 10:04:10,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 10:04:10,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1823 transitions. [2021-03-26 10:04:10,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8328003654636821 [2021-03-26 10:04:10,951 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1823 transitions. [2021-03-26 10:04:10,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1823 transitions. [2021-03-26 10:04:10,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:10,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1823 transitions. [2021-03-26 10:04:10,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 165.72727272727272) internal successors, (1823), 11 states have internal predecessors, (1823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:10,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 199.0) internal successors, (2388), 12 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:10,958 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 199.0) internal successors, (2388), 12 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:10,958 INFO L185 Difference]: Start difference. First operand has 93 places, 87 transitions, 797 flow. Second operand 11 states and 1823 transitions. [2021-03-26 10:04:10,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 91 transitions, 912 flow [2021-03-26 10:04:11,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 91 transitions, 787 flow, removed 44 selfloop flow, removed 6 redundant places. [2021-03-26 10:04:11,033 INFO L241 Difference]: Finished difference. Result has 100 places, 87 transitions, 747 flow [2021-03-26 10:04:11,033 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=653, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=747, PETRI_PLACES=100, PETRI_TRANSITIONS=87} [2021-03-26 10:04:11,033 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 44 predicate places. [2021-03-26 10:04:11,033 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:11,033 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 87 transitions, 747 flow [2021-03-26 10:04:11,033 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 87 transitions, 747 flow [2021-03-26 10:04:11,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 87 transitions, 747 flow [2021-03-26 10:04:11,140 INFO L129 PetriNetUnfolder]: 567/1285 cut-off events. [2021-03-26 10:04:11,140 INFO L130 PetriNetUnfolder]: For 6324/7842 co-relation queries the response was YES. [2021-03-26 10:04:11,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5722 conditions, 1285 events. 567/1285 cut-off events. For 6324/7842 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 10668 event pairs, 2 based on Foata normal form. 47/1095 useless extension candidates. Maximal degree in co-relation 5684. Up to 370 conditions per place. [2021-03-26 10:04:11,157 INFO L142 LiptonReduction]: Number of co-enabled transitions 1664 [2021-03-26 10:04:11,775 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 184 [2021-03-26 10:04:11,964 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-03-26 10:04:13,141 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 339 DAG size of output: 260 [2021-03-26 10:04:13,557 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-03-26 10:04:13,854 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-03-26 10:04:14,092 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-03-26 10:04:14,607 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-03-26 10:04:15,090 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-03-26 10:04:15,125 INFO L154 LiptonReduction]: Checked pairs total: 2198 [2021-03-26 10:04:15,125 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 10:04:15,126 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4093 [2021-03-26 10:04:15,126 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 81 transitions, 707 flow [2021-03-26 10:04:15,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 162.85714285714286) internal successors, (1140), 7 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:15,127 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:15,127 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:15,127 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 10:04:15,127 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:15,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:15,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1224106093, now seen corresponding path program 1 times [2021-03-26 10:04:15,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:15,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777574589] [2021-03-26 10:04:15,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:04:15,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:15,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:04:15,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:15,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:15,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:04:15,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:04:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:04:15,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777574589] [2021-03-26 10:04:15,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:04:15,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:04:15,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200298638] [2021-03-26 10:04:15,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:04:15,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:04:15,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:04:15,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:04:15,182 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 201 [2021-03-26 10:04:15,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 81 transitions, 707 flow. Second operand has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:15,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:04:15,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 201 [2021-03-26 10:04:15,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:04:15,295 INFO L129 PetriNetUnfolder]: 442/949 cut-off events. [2021-03-26 10:04:15,295 INFO L130 PetriNetUnfolder]: For 20570/21440 co-relation queries the response was YES. [2021-03-26 10:04:15,300 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4107 conditions, 949 events. 442/949 cut-off events. For 20570/21440 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 6534 event pairs, 5 based on Foata normal form. 91/910 useless extension candidates. Maximal degree in co-relation 4067. Up to 332 conditions per place. [2021-03-26 10:04:15,301 INFO L132 encePairwiseOnDemand]: 198/201 looper letters, 3 selfloop transitions, 1 changer transitions 20/70 dead transitions. [2021-03-26 10:04:15,301 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 70 transitions, 603 flow [2021-03-26 10:04:15,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:04:15,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:04:15,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 698 transitions. [2021-03-26 10:04:15,303 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8681592039800995 [2021-03-26 10:04:15,304 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 698 transitions. [2021-03-26 10:04:15,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 698 transitions. [2021-03-26 10:04:15,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:04:15,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 698 transitions. [2021-03-26 10:04:15,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 174.5) internal successors, (698), 4 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:15,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 201.0) internal successors, (1005), 5 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:15,306 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 201.0) internal successors, (1005), 5 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:15,306 INFO L185 Difference]: Start difference. First operand has 97 places, 81 transitions, 707 flow. Second operand 4 states and 698 transitions. [2021-03-26 10:04:15,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 70 transitions, 603 flow [2021-03-26 10:04:15,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 70 transitions, 508 flow, removed 29 selfloop flow, removed 14 redundant places. [2021-03-26 10:04:15,326 INFO L241 Difference]: Finished difference. Result has 78 places, 50 transitions, 338 flow [2021-03-26 10:04:15,326 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=338, PETRI_PLACES=78, PETRI_TRANSITIONS=50} [2021-03-26 10:04:15,326 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 22 predicate places. [2021-03-26 10:04:15,326 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:04:15,326 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 50 transitions, 338 flow [2021-03-26 10:04:15,327 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 50 transitions, 338 flow [2021-03-26 10:04:15,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 50 transitions, 338 flow [2021-03-26 10:04:15,341 INFO L129 PetriNetUnfolder]: 101/236 cut-off events. [2021-03-26 10:04:15,342 INFO L130 PetriNetUnfolder]: For 713/780 co-relation queries the response was YES. [2021-03-26 10:04:15,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 828 conditions, 236 events. 101/236 cut-off events. For 713/780 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1156 event pairs, 2 based on Foata normal form. 19/229 useless extension candidates. Maximal degree in co-relation 799. Up to 82 conditions per place. [2021-03-26 10:04:15,344 INFO L142 LiptonReduction]: Number of co-enabled transitions 570 [2021-03-26 10:04:15,555 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-26 10:04:15,898 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2021-03-26 10:04:16,019 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-26 10:04:16,299 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 69 [2021-03-26 10:04:16,602 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 88 [2021-03-26 10:04:16,653 INFO L154 LiptonReduction]: Checked pairs total: 150 [2021-03-26 10:04:16,653 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 10:04:16,653 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1327 [2021-03-26 10:04:16,654 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 46 transitions, 342 flow [2021-03-26 10:04:16,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:04:16,654 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:04:16,654 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:04:16,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 10:04:16,654 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:04:16,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:04:16,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1312224124, now seen corresponding path program 1 times [2021-03-26 10:04:16,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:04:16,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161270360] [2021-03-26 10:04:16,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:04:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:04:16,684 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:04:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:04:16,711 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:04:16,738 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 10:04:16,738 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 10:04:16,738 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 10:04:16,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:04:16 BasicIcfg [2021-03-26 10:04:16,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:04:16,844 INFO L168 Benchmark]: Toolchain (without parser) took 31061.75 ms. Allocated memory was 356.5 MB in the beginning and 1.0 GB in the end (delta: 679.5 MB). Free memory was 319.5 MB in the beginning and 927.1 MB in the end (delta: -607.6 MB). Peak memory consumption was 72.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:04:16,844 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 356.5 MB. Free memory was 337.9 MB in the beginning and 337.8 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:04:16,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.89 ms. Allocated memory is still 356.5 MB. Free memory was 319.3 MB in the beginning and 315.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. [2021-03-26 10:04:16,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.05 ms. Allocated memory is still 356.5 MB. Free memory was 315.4 MB in the beginning and 311.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:04:16,844 INFO L168 Benchmark]: Boogie Preprocessor took 44.69 ms. Allocated memory is still 356.5 MB. Free memory was 311.3 MB in the beginning and 309.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:04:16,845 INFO L168 Benchmark]: RCFGBuilder took 1730.61 ms. Allocated memory is still 356.5 MB. Free memory was 309.2 MB in the beginning and 247.5 MB in the end (delta: 61.6 MB). Peak memory consumption was 152.8 MB. Max. memory is 16.0 GB. [2021-03-26 10:04:16,845 INFO L168 Benchmark]: TraceAbstraction took 28678.95 ms. Allocated memory was 356.5 MB in the beginning and 1.0 GB in the end (delta: 679.5 MB). Free memory was 247.5 MB in the beginning and 927.1 MB in the end (delta: -679.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:04:16,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 356.5 MB. Free memory was 337.9 MB in the beginning and 337.8 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 523.89 ms. Allocated memory is still 356.5 MB. Free memory was 319.3 MB in the beginning and 315.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 77.05 ms. Allocated memory is still 356.5 MB. Free memory was 315.4 MB in the beginning and 311.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 44.69 ms. Allocated memory is still 356.5 MB. Free memory was 311.3 MB in the beginning and 309.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1730.61 ms. Allocated memory is still 356.5 MB. Free memory was 309.2 MB in the beginning and 247.5 MB in the end (delta: 61.6 MB). Peak memory consumption was 152.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 28678.95 ms. Allocated memory was 356.5 MB in the beginning and 1.0 GB in the end (delta: 679.5 MB). Free memory was 247.5 MB in the beginning and 927.1 MB in the end (delta: -679.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8481.0ms, 122 PlacesBefore, 56 PlacesAfterwards, 111 TransitionsBefore, 44 TransitionsAfterwards, 2630 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 75 TotalNumberOfCompositions, 5123 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2573, positive: 2451, positive conditional: 2451, positive unconditional: 0, negative: 122, negative conditional: 122, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2573, positive: 2451, positive conditional: 0, positive unconditional: 2451, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2573, positive: 2451, positive conditional: 0, positive unconditional: 2451, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1804, positive: 1755, positive conditional: 0, positive unconditional: 1755, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1804, positive: 1736, positive conditional: 0, positive unconditional: 1736, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 853, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 805, negative conditional: 0, negative unconditional: 805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2573, positive: 696, positive conditional: 0, positive unconditional: 696, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 1804, unknown conditional: 0, unknown unconditional: 1804] , Statistics on independence cache: Total cache size (in pairs): 1804, Positive cache size: 1755, Positive conditional cache size: 0, Positive unconditional cache size: 1755, Negative cache size: 49, Negative conditional cache size: 0, Negative unconditional cache size: 49, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3312.4ms, 52 PlacesBefore, 40 PlacesAfterwards, 36 TransitionsBefore, 29 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 4 FixpointIterations, 6 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 2040 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 763, positive: 652, positive conditional: 652, positive unconditional: 0, negative: 111, negative conditional: 111, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 763, positive: 652, positive conditional: 78, positive unconditional: 574, negative: 111, negative conditional: 31, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 763, positive: 652, positive conditional: 78, positive unconditional: 574, negative: 111, negative conditional: 31, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 114, positive: 96, positive conditional: 11, positive unconditional: 85, negative: 18, negative conditional: 8, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 114, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 18, negative conditional: 8, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 392, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 340, negative conditional: 183, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 763, positive: 556, positive conditional: 67, positive unconditional: 489, negative: 93, negative conditional: 23, negative unconditional: 70, unknown: 114, unknown conditional: 19, unknown unconditional: 95] , Statistics on independence cache: Total cache size (in pairs): 1918, Positive cache size: 1851, Positive conditional cache size: 11, Positive unconditional cache size: 1840, Negative cache size: 67, Negative conditional cache size: 8, Negative unconditional cache size: 59, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1117.3ms, 41 PlacesBefore, 39 PlacesAfterwards, 28 TransitionsBefore, 27 TransitionsAfterwards, 366 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 896 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 351, positive: 299, positive conditional: 299, positive unconditional: 0, negative: 52, negative conditional: 52, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 351, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 351, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, 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: 351, positive: 290, positive conditional: 0, positive unconditional: 290, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , Statistics on independence cache: Total cache size (in pairs): 1935, Positive cache size: 1860, Positive conditional cache size: 11, Positive unconditional cache size: 1849, Negative cache size: 75, Negative conditional cache size: 8, Negative unconditional cache size: 67, Eliminated conditions: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.4ms, 40 PlacesBefore, 40 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 414 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136, positive: 113, positive conditional: 113, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 136, positive: 113, positive conditional: 0, positive unconditional: 113, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 136, positive: 113, positive conditional: 0, positive unconditional: 113, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 136, positive: 112, positive conditional: 0, positive unconditional: 112, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1936, Positive cache size: 1861, Positive conditional cache size: 11, Positive unconditional cache size: 1850, Negative cache size: 75, Negative conditional cache size: 8, Negative unconditional cache size: 67, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.3ms, 42 PlacesBefore, 42 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 462 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 340 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, positive: 109, positive conditional: 109, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 127, positive: 109, positive conditional: 7, positive unconditional: 102, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127, positive: 109, positive conditional: 7, positive unconditional: 102, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, positive: 16, positive conditional: 5, positive unconditional: 11, negative: 5, negative conditional: 3, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 3, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 70, negative conditional: 48, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 127, positive: 93, positive conditional: 2, positive unconditional: 91, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 21, unknown conditional: 8, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 1957, Positive cache size: 1877, Positive conditional cache size: 16, Positive unconditional cache size: 1861, Negative cache size: 80, Negative conditional cache size: 11, Negative unconditional cache size: 69, Eliminated conditions: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.2ms, 45 PlacesBefore, 45 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 306 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 102, positive: 87, positive conditional: 87, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 102, positive: 87, positive conditional: 11, positive unconditional: 76, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 102, positive: 87, positive conditional: 11, positive unconditional: 76, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 102, positive: 84, positive conditional: 11, positive unconditional: 73, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1961, Positive cache size: 1880, Positive conditional cache size: 16, Positive unconditional cache size: 1864, Negative cache size: 81, Negative conditional cache size: 11, Negative unconditional cache size: 70, Eliminated conditions: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.6ms, 49 PlacesBefore, 49 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 636 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 296 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90, positive: 78, positive conditional: 78, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 90, positive: 78, positive conditional: 13, positive unconditional: 65, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 90, positive: 78, positive conditional: 13, positive unconditional: 65, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 1, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 90, positive: 75, positive conditional: 12, positive unconditional: 63, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1964, Positive cache size: 1883, Positive conditional cache size: 17, Positive unconditional cache size: 1866, Negative cache size: 81, Negative conditional cache size: 11, Negative unconditional cache size: 70, Eliminated conditions: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.9ms, 53 PlacesBefore, 53 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 718 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 532 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 188, positive: 167, positive conditional: 167, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 188, positive: 167, positive conditional: 35, positive unconditional: 132, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 188, positive: 167, positive conditional: 35, positive unconditional: 132, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 188, positive: 166, positive conditional: 34, positive unconditional: 132, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1965, Positive cache size: 1884, Positive conditional cache size: 18, Positive unconditional cache size: 1866, Negative cache size: 81, Negative conditional cache size: 11, Negative unconditional cache size: 70, Eliminated conditions: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.5ms, 55 PlacesBefore, 55 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 718 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 577 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 216, positive: 193, positive conditional: 193, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 216, positive: 193, positive conditional: 49, positive unconditional: 144, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 216, positive: 193, positive conditional: 49, positive unconditional: 144, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 216, positive: 193, positive conditional: 49, positive unconditional: 144, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1965, Positive cache size: 1884, Positive conditional cache size: 18, Positive unconditional cache size: 1866, Negative cache size: 81, Negative conditional cache size: 11, Negative unconditional cache size: 70, Eliminated conditions: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.3ms, 59 PlacesBefore, 59 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 818 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 748 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 366, positive: 340, positive conditional: 340, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 366, positive: 340, positive conditional: 140, positive unconditional: 200, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 366, positive: 340, positive conditional: 140, positive unconditional: 200, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 366, positive: 335, positive conditional: 138, positive unconditional: 197, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 5, unknown conditional: 2, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 1970, Positive cache size: 1889, Positive conditional cache size: 20, Positive unconditional cache size: 1869, Negative cache size: 81, Negative conditional cache size: 11, Negative unconditional cache size: 70, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.2ms, 63 PlacesBefore, 63 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 856 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 842 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 373, positive: 345, positive conditional: 345, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 373, positive: 345, positive conditional: 90, positive unconditional: 255, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 373, positive: 345, positive conditional: 90, positive unconditional: 255, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 2, 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: 7, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 373, positive: 339, positive conditional: 88, positive unconditional: 251, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 7, unknown conditional: 2, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 1977, Positive cache size: 1895, Positive conditional cache size: 22, Positive unconditional cache size: 1873, Negative cache size: 82, Negative conditional cache size: 11, Negative unconditional cache size: 71, Eliminated conditions: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.7ms, 66 PlacesBefore, 66 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 976 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1505 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 657, positive: 613, positive conditional: 613, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 657, positive: 613, positive conditional: 236, positive unconditional: 377, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 657, positive: 613, positive conditional: 236, positive unconditional: 377, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 657, positive: 609, positive conditional: 234, positive unconditional: 375, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1981, Positive cache size: 1899, Positive conditional cache size: 24, Positive unconditional cache size: 1875, Negative cache size: 82, Negative conditional cache size: 11, Negative unconditional cache size: 71, Eliminated conditions: 59 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.9ms, 68 PlacesBefore, 68 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 1018 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1668 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 765, positive: 718, positive conditional: 718, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 765, positive: 718, positive conditional: 335, positive unconditional: 383, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 765, positive: 718, positive conditional: 335, positive unconditional: 383, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 765, positive: 718, positive conditional: 335, positive unconditional: 383, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1981, Positive cache size: 1899, Positive conditional cache size: 24, Positive unconditional cache size: 1875, Negative cache size: 82, Negative conditional cache size: 11, Negative unconditional cache size: 71, Eliminated conditions: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.3ms, 77 PlacesBefore, 77 PlacesAfterwards, 86 TransitionsBefore, 86 TransitionsAfterwards, 1174 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2424 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 980, positive: 914, positive conditional: 914, positive unconditional: 0, negative: 66, negative conditional: 66, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 980, positive: 914, positive conditional: 383, positive unconditional: 531, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 980, positive: 914, positive conditional: 383, positive unconditional: 531, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 980, positive: 913, positive conditional: 382, positive unconditional: 531, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1982, Positive cache size: 1900, Positive conditional cache size: 25, Positive unconditional cache size: 1875, Negative cache size: 82, Negative conditional cache size: 11, Negative unconditional cache size: 71, Eliminated conditions: 79 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 230.9ms, 83 PlacesBefore, 83 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 1430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1503 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 823, positive: 793, positive conditional: 793, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 823, positive: 793, positive conditional: 497, positive unconditional: 296, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 823, positive: 793, positive conditional: 497, positive unconditional: 296, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 823, positive: 788, positive conditional: 496, positive unconditional: 292, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 5, unknown conditional: 1, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1987, Positive cache size: 1905, Positive conditional cache size: 26, Positive unconditional cache size: 1879, Negative cache size: 82, Negative conditional cache size: 11, Negative unconditional cache size: 71, Eliminated conditions: 69 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 518.9ms, 85 PlacesBefore, 85 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 1470 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 988 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 537, positive: 518, positive conditional: 518, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 537, positive: 518, positive conditional: 330, positive unconditional: 188, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 537, positive: 518, positive conditional: 330, positive unconditional: 188, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 537, positive: 514, positive conditional: 330, positive unconditional: 184, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1991, Positive cache size: 1909, Positive conditional cache size: 26, Positive unconditional cache size: 1883, Negative cache size: 82, Negative conditional cache size: 11, Negative unconditional cache size: 71, Eliminated conditions: 82 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 895.2ms, 87 PlacesBefore, 87 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 1470 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 952 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 670, positive: 652, positive conditional: 652, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 670, positive: 652, positive conditional: 416, positive unconditional: 236, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 670, positive: 652, positive conditional: 416, positive unconditional: 236, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 670, positive: 652, positive conditional: 416, positive unconditional: 236, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1991, Positive cache size: 1909, Positive conditional cache size: 26, Positive unconditional cache size: 1883, Negative cache size: 82, Negative conditional cache size: 11, Negative unconditional cache size: 71, Eliminated conditions: 104 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1094.3ms, 92 PlacesBefore, 92 PlacesAfterwards, 84 TransitionsBefore, 84 TransitionsAfterwards, 1598 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1220 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 533, positive: 507, positive conditional: 507, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 533, positive: 507, positive conditional: 272, positive unconditional: 235, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 533, positive: 507, positive conditional: 272, positive unconditional: 235, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 533, positive: 501, positive conditional: 270, positive unconditional: 231, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1997, Positive cache size: 1915, Positive conditional cache size: 28, Positive unconditional cache size: 1887, Negative cache size: 82, Negative conditional cache size: 11, Negative unconditional cache size: 71, Eliminated conditions: 103 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 157.6ms, 93 PlacesBefore, 93 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 1692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 648 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 268, positive: 254, positive conditional: 254, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 268, positive: 254, positive conditional: 165, positive unconditional: 89, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 268, positive: 254, positive conditional: 165, positive unconditional: 89, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 268, positive: 251, positive conditional: 165, positive unconditional: 86, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 2000, Positive cache size: 1918, Positive conditional cache size: 28, Positive unconditional cache size: 1890, Negative cache size: 82, Negative conditional cache size: 11, Negative unconditional cache size: 71, Eliminated conditions: 45 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4092.0ms, 100 PlacesBefore, 97 PlacesAfterwards, 87 TransitionsBefore, 81 TransitionsAfterwards, 1664 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 2198 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1066, positive: 1021, positive conditional: 1021, positive unconditional: 0, negative: 45, negative conditional: 45, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1066, positive: 1021, positive conditional: 733, positive unconditional: 288, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1066, positive: 1021, positive conditional: 733, positive unconditional: 288, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 34, positive: 34, positive conditional: 32, 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: 34, positive: 34, positive conditional: 0, positive unconditional: 34, 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: 1066, positive: 987, positive conditional: 701, positive unconditional: 286, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 34, unknown conditional: 32, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 2034, Positive cache size: 1952, Positive conditional cache size: 60, Positive unconditional cache size: 1892, Negative cache size: 82, Negative conditional cache size: 11, Negative unconditional cache size: 71, Eliminated conditions: 183 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1326.7ms, 78 PlacesBefore, 68 PlacesAfterwards, 50 TransitionsBefore, 46 TransitionsAfterwards, 570 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 150 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 150, positive: 150, positive conditional: 150, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 150, positive: 150, positive conditional: 90, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 150, positive: 150, positive conditional: 90, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 8, 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: 16, positive: 16, positive conditional: 0, positive unconditional: 16, 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: 150, positive: 134, positive conditional: 82, positive unconditional: 52, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 16, unknown conditional: 8, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 2050, Positive cache size: 1968, Positive conditional cache size: 68, Positive unconditional cache size: 1900, Negative cache size: 82, Negative conditional cache size: 11, Negative unconditional cache size: 71, Eliminated conditions: 33 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p3_EAX = 0; [L714] 0 int __unbuffered_p3_EBX = 0; [L716] 0 int a = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L723] 0 _Bool y$flush_delayed; [L724] 0 int y$mem_tmp; [L725] 0 _Bool y$r_buff0_thd0; [L726] 0 _Bool y$r_buff0_thd1; [L727] 0 _Bool y$r_buff0_thd2; [L728] 0 _Bool y$r_buff0_thd3; [L729] 0 _Bool y$r_buff0_thd4; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; [L734] 0 _Bool y$r_buff1_thd4; [L735] 0 _Bool y$read_delayed; [L736] 0 int *y$read_delayed_var; [L737] 0 int y$w_buff0; [L738] 0 _Bool y$w_buff0_used; [L739] 0 int y$w_buff1; [L740] 0 _Bool y$w_buff1_used; [L742] 0 int z = 0; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice2; [L844] 0 pthread_t t805; [L845] FCALL, FORK 0 pthread_create(&t805, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L846] 0 pthread_t t806; [L847] FCALL, FORK 0 pthread_create(&t806, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t807; [L849] FCALL, FORK 0 pthread_create(&t807, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L783] 3 y$w_buff1 = y$w_buff0 [L784] 3 y$w_buff0 = 2 [L785] 3 y$w_buff1_used = y$w_buff0_used [L786] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L788] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L789] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L790] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L791] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L792] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L793] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L796] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L850] 0 pthread_t t808; [L851] FCALL, FORK 0 pthread_create(&t808, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L813] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L816] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L819] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L748] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L763] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L766] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L799] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L799] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L800] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L800] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L801] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L802] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L802] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L803] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L770] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L771] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L772] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L773] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L822] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L822] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L822] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L822] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L823] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L823] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L824] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L824] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L825] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L825] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L826] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L826] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L776] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L778] 2 return 0; [L806] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 3 return 0; [L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L831] 4 return 0; [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L858] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L859] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L860] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L861] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L864] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L865] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L866] 0 y$flush_delayed = weak$$choice2 [L867] 0 y$mem_tmp = y [L868] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L868] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L869] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L869] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L869] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L869] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L870] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L870] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L870] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L870] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L871] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L871] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L871] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L871] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L872] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L872] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L873] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L873] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L873] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L873] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L874] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L874] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L876] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L876] 0 y = y$flush_delayed ? y$mem_tmp : y [L877] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 114 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 28450.6ms, OverallIterations: 21, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4003.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8574.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 85 SDtfs, 45 SDslu, 24 SDs, 0 SdLazy, 596 SolverSat, 163 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 663.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 798.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=906occurred in iteration=16, InterpolantAutomatonStates: 99, 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: 59.8ms SsaConstructionTime, 574.0ms SatisfiabilityAnalysisTime, 1553.9ms InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 329 ConstructedInterpolants, 0 QuantifiedInterpolants, 2730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...