/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/mix019_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 09:58:29,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 09:58:29,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 09:58:29,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 09:58:29,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 09:58:29,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 09:58:29,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 09:58:29,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 09:58:29,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 09:58:29,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 09:58:29,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 09:58:29,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 09:58:29,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 09:58:29,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 09:58:29,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 09:58:29,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 09:58:29,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 09:58:29,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 09:58:29,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 09:58:29,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 09:58:29,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 09:58:29,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 09:58:29,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 09:58:29,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 09:58:29,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 09:58:29,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 09:58:29,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 09:58:29,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 09:58:29,495 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 09:58:29,527 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 09:58:29,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 09:58:29,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 09:58:29,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 09:58:29,531 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 09:58:29,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 09:58:29,531 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 09:58:29,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 09:58:29,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 09:58:29,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 09:58:29,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 09:58:29,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 09:58:29,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 09:58:29,533 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 09:58:29,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 09:58:29,533 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 09:58:29,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 09:58:29,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 09:58:29,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 09:58:29,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 09:58:29,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 09:58:29,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 09:58:29,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 09:58:29,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 09:58:29,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 09:58:29,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 09:58:29,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 09:58:29,534 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 09:58:29,535 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 09:58:29,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 09:58:29,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 09:58:29,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 09:58:29,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 09:58:29,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 09:58:29,824 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 09:58:29,832 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 09:58:29,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix019_tso.oepc.i [2021-03-26 09:58:29,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a6dd17bc/40bc8b29eecf4516938205322ee6a1ac/FLAG77ca0cbff [2021-03-26 09:58:30,433 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 09:58:30,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix019_tso.oepc.i [2021-03-26 09:58:30,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a6dd17bc/40bc8b29eecf4516938205322ee6a1ac/FLAG77ca0cbff [2021-03-26 09:58:30,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a6dd17bc/40bc8b29eecf4516938205322ee6a1ac [2021-03-26 09:58:30,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 09:58:30,725 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 09:58:30,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 09:58:30,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 09:58:30,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 09:58:30,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 09:58:30" (1/1) ... [2021-03-26 09:58:30,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e03b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:58:30, skipping insertion in model container [2021-03-26 09:58:30,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 09:58:30" (1/1) ... [2021-03-26 09:58:30,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 09:58:30,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 09:58:30,892 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/mix019_tso.oepc.i[949,962] [2021-03-26 09:58:31,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 09:58:31,134 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 09:58:31,145 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/mix019_tso.oepc.i[949,962] [2021-03-26 09:58:31,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 09:58:31,269 INFO L208 MainTranslator]: Completed translation [2021-03-26 09:58:31,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:58:31 WrapperNode [2021-03-26 09:58:31,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 09:58:31,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 09:58:31,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 09:58:31,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 09:58:31,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:58:31" (1/1) ... [2021-03-26 09:58:31,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:58:31" (1/1) ... [2021-03-26 09:58:31,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 09:58:31,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 09:58:31,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 09:58:31,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 09:58:31,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:58:31" (1/1) ... [2021-03-26 09:58:31,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:58:31" (1/1) ... [2021-03-26 09:58:31,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:58:31" (1/1) ... [2021-03-26 09:58:31,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:58:31" (1/1) ... [2021-03-26 09:58:31,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:58:31" (1/1) ... [2021-03-26 09:58:31,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:58:31" (1/1) ... [2021-03-26 09:58:31,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:58:31" (1/1) ... [2021-03-26 09:58:31,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 09:58:31,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 09:58:31,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 09:58:31,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 09:58:31,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:58:31" (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 09:58:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 09:58:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 09:58:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 09:58:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 09:58:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 09:58:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 09:58:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 09:58:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 09:58:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 09:58:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 09:58:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 09:58:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 09:58:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 09:58:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 09:58:31,463 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 09:58:33,176 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 09:58:33,177 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 09:58:33,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 09:58:33 BoogieIcfgContainer [2021-03-26 09:58:33,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 09:58:33,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 09:58:33,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 09:58:33,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 09:58:33,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 09:58:30" (1/3) ... [2021-03-26 09:58:33,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d6362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 09:58:33, skipping insertion in model container [2021-03-26 09:58:33,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:58:31" (2/3) ... [2021-03-26 09:58:33,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d6362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 09:58:33, skipping insertion in model container [2021-03-26 09:58:33,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 09:58:33" (3/3) ... [2021-03-26 09:58:33,186 INFO L111 eAbstractionObserver]: Analyzing ICFG mix019_tso.oepc.i [2021-03-26 09:58:33,191 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 09:58:33,195 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 09:58:33,196 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 09:58:33,230 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,230 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,230 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,230 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,231 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,231 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,231 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,232 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,232 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,232 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,232 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,232 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,232 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,232 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,233 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,233 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,233 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,233 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,233 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,234 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,234 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,234 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,236 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,236 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,236 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,236 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,237 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,237 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,237 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,237 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,239 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,241 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,241 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,241 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,241 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,250 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,251 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,253 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,254 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,256 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,268 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,268 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:58:33,270 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 09:58:33,286 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 09:58:33,303 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 09:58:33,303 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 09:58:33,303 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 09:58:33,303 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 09:58:33,303 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 09:58:33,303 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 09:58:33,303 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 09:58:33,303 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 09:58:33,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 215 flow [2021-03-26 09:58:33,345 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-03-26 09:58:33,345 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:58:33,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-26 09:58:33,349 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 100 transitions, 215 flow [2021-03-26 09:58:33,353 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 97 transitions, 203 flow [2021-03-26 09:58:33,354 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:58:33,365 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 203 flow [2021-03-26 09:58:33,368 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 97 transitions, 203 flow [2021-03-26 09:58:33,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 203 flow [2021-03-26 09:58:33,386 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-03-26 09:58:33,386 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:58:33,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-26 09:58:33,389 INFO L142 LiptonReduction]: Number of co-enabled transitions 1770 [2021-03-26 09:58:34,720 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-03-26 09:58:35,009 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-03-26 09:58:36,447 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-03-26 09:58:37,039 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-03-26 09:58:37,836 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 09:58:38,186 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 09:58:38,300 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 09:58:39,861 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-26 09:58:40,144 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-26 09:58:40,748 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-03-26 09:58:41,382 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-03-26 09:58:41,521 INFO L154 LiptonReduction]: Checked pairs total: 3236 [2021-03-26 09:58:41,521 INFO L156 LiptonReduction]: Total number of compositions: 67 [2021-03-26 09:58:41,523 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8170 [2021-03-26 09:58:41,530 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-03-26 09:58:41,530 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:58:41,530 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:58:41,531 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:58:41,531 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:58:41,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:58:41,535 INFO L82 PathProgramCache]: Analyzing trace with hash -442325824, now seen corresponding path program 1 times [2021-03-26 09:58:41,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:58:41,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143668836] [2021-03-26 09:58:41,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:58:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:58:41,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:41,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:58:41,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:41,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:58:41,780 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 09:58:41,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143668836] [2021-03-26 09:58:41,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:58:41,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 09:58:41,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880716087] [2021-03-26 09:58:41,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 09:58:41,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:58:41,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 09:58:41,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 09:58:41,804 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 167 [2021-03-26 09:58:41,808 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 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 09:58:41,808 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:58:41,808 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 167 [2021-03-26 09:58:41,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:58:41,941 INFO L129 PetriNetUnfolder]: 69/198 cut-off events. [2021-03-26 09:58:41,942 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:58:41,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 198 events. 69/198 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 944 event pairs, 39 based on Foata normal form. 11/191 useless extension candidates. Maximal degree in co-relation 309. Up to 89 conditions per place. [2021-03-26 09:58:41,945 INFO L132 encePairwiseOnDemand]: 163/167 looper letters, 9 selfloop transitions, 2 changer transitions 5/40 dead transitions. [2021-03-26 09:58:41,946 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 40 transitions, 115 flow [2021-03-26 09:58:41,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 09:58:41,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 09:58:41,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2021-03-26 09:58:41,967 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8822355289421158 [2021-03-26 09:58:41,967 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 442 transitions. [2021-03-26 09:58:41,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 442 transitions. [2021-03-26 09:58:41,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:58:41,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 442 transitions. [2021-03-26 09:58:41,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 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 09:58:41,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 0 states have call successors, (0), 0 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 09:58:41,993 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 0 states have call successors, (0), 0 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 09:58:41,995 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 85 flow. Second operand 3 states and 442 transitions. [2021-03-26 09:58:41,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 40 transitions, 115 flow [2021-03-26 09:58:41,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 40 transitions, 112 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 09:58:41,999 INFO L241 Difference]: Finished difference. Result has 44 places, 31 transitions, 72 flow [2021-03-26 09:58:42,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=44, PETRI_TRANSITIONS=31} [2021-03-26 09:58:42,001 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2021-03-26 09:58:42,001 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:58:42,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 31 transitions, 72 flow [2021-03-26 09:58:42,003 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 31 transitions, 72 flow [2021-03-26 09:58:42,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 31 transitions, 72 flow [2021-03-26 09:58:42,008 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-03-26 09:58:42,008 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:58:42,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 31 events. 0/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 33 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 09:58:42,009 INFO L142 LiptonReduction]: Number of co-enabled transitions 290 [2021-03-26 09:58:42,299 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 09:58:42,429 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 09:58:42,883 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-26 09:58:43,199 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-26 09:58:43,780 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-26 09:58:44,401 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-26 09:58:45,298 INFO L154 LiptonReduction]: Checked pairs total: 1307 [2021-03-26 09:58:45,298 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-26 09:58:45,298 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3297 [2021-03-26 09:58:45,299 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 23 transitions, 56 flow [2021-03-26 09:58:45,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 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 09:58:45,300 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:58:45,300 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:58:45,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 09:58:45,300 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:58:45,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:58:45,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1372167059, now seen corresponding path program 1 times [2021-03-26 09:58:45,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:58:45,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584367800] [2021-03-26 09:58:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:58:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:58:45,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:45,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:58:45,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:45,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:58:45,398 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 09:58:45,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 09:58:45,403 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 09:58:45,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584367800] [2021-03-26 09:58:45,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:58:45,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:58:45,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506834364] [2021-03-26 09:58:45,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 09:58:45,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:58:45,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 09:58:45,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 09:58:45,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 175 [2021-03-26 09:58:45,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 23 transitions, 56 flow. Second operand has 4 states, 4 states have (on average 153.75) internal successors, (615), 4 states have internal predecessors, (615), 0 states have call successors, (0), 0 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 09:58:45,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:58:45,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 175 [2021-03-26 09:58:45,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:58:45,434 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-26 09:58:45,435 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:58:45,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 23 events. 0/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 30 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 09:58:45,436 INFO L132 encePairwiseOnDemand]: 172/175 looper letters, 1 selfloop transitions, 2 changer transitions 0/23 dead transitions. [2021-03-26 09:58:45,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 23 transitions, 62 flow [2021-03-26 09:58:45,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 09:58:45,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 09:58:45,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 463 transitions. [2021-03-26 09:58:45,438 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8819047619047619 [2021-03-26 09:58:45,438 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 463 transitions. [2021-03-26 09:58:45,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 463 transitions. [2021-03-26 09:58:45,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:58:45,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 463 transitions. [2021-03-26 09:58:45,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 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 09:58:45,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 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 09:58:45,443 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 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 09:58:45,444 INFO L185 Difference]: Start difference. First operand has 32 places, 23 transitions, 56 flow. Second operand 3 states and 463 transitions. [2021-03-26 09:58:45,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 23 transitions, 62 flow [2021-03-26 09:58:45,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 23 transitions, 58 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 09:58:45,445 INFO L241 Difference]: Finished difference. Result has 33 places, 23 transitions, 60 flow [2021-03-26 09:58:45,445 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=33, PETRI_TRANSITIONS=23} [2021-03-26 09:58:45,445 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, -14 predicate places. [2021-03-26 09:58:45,445 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:58:45,446 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 23 transitions, 60 flow [2021-03-26 09:58:45,446 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 23 transitions, 60 flow [2021-03-26 09:58:45,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 23 transitions, 60 flow [2021-03-26 09:58:45,449 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-26 09:58:45,449 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:58:45,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 23 events. 0/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 09:58:45,450 INFO L142 LiptonReduction]: Number of co-enabled transitions 234 [2021-03-26 09:58:45,809 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-03-26 09:58:45,942 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-03-26 09:58:46,212 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-03-26 09:58:46,350 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-03-26 09:58:46,356 INFO L154 LiptonReduction]: Checked pairs total: 542 [2021-03-26 09:58:46,356 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 09:58:46,357 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 912 [2021-03-26 09:58:46,358 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 21 transitions, 56 flow [2021-03-26 09:58:46,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 153.75) internal successors, (615), 4 states have internal predecessors, (615), 0 states have call successors, (0), 0 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 09:58:46,358 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:58:46,358 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:58:46,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 09:58:46,359 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:58:46,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:58:46,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1485512113, now seen corresponding path program 1 times [2021-03-26 09:58:46,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:58:46,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888798908] [2021-03-26 09:58:46,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:58:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:58:46,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:46,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:58:46,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:46,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 09:58:46,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:46,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 09:58:46,496 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 09:58:46,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888798908] [2021-03-26 09:58:46,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:58:46,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:58:46,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908329670] [2021-03-26 09:58:46,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:58:46,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:58:46,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:58:46,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:58:46,498 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 177 [2021-03-26 09:58:46,498 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 56 flow. Second operand has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 0 states have call successors, (0), 0 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 09:58:46,498 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:58:46,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 177 [2021-03-26 09:58:46,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:58:46,561 INFO L129 PetriNetUnfolder]: 82/167 cut-off events. [2021-03-26 09:58:46,562 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 09:58:46,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 167 events. 82/167 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 690 event pairs, 53 based on Foata normal form. 1/162 useless extension candidates. Maximal degree in co-relation 324. Up to 133 conditions per place. [2021-03-26 09:58:46,563 INFO L132 encePairwiseOnDemand]: 170/177 looper letters, 8 selfloop transitions, 9 changer transitions 0/30 dead transitions. [2021-03-26 09:58:46,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 30 transitions, 110 flow [2021-03-26 09:58:46,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 09:58:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 09:58:46,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 562 transitions. [2021-03-26 09:58:46,566 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7937853107344632 [2021-03-26 09:58:46,566 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 562 transitions. [2021-03-26 09:58:46,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 562 transitions. [2021-03-26 09:58:46,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:58:46,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 562 transitions. [2021-03-26 09:58:46,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 140.5) internal successors, (562), 4 states have internal predecessors, (562), 0 states have call successors, (0), 0 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 09:58:46,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 177.0) internal successors, (885), 5 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:58:46,570 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 177.0) internal successors, (885), 5 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:58:46,570 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 56 flow. Second operand 4 states and 562 transitions. [2021-03-26 09:58:46,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 30 transitions, 110 flow [2021-03-26 09:58:46,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 30 transitions, 106 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 09:58:46,571 INFO L241 Difference]: Finished difference. Result has 34 places, 29 transitions, 112 flow [2021-03-26 09:58:46,572 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=112, PETRI_PLACES=34, PETRI_TRANSITIONS=29} [2021-03-26 09:58:46,572 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, -13 predicate places. [2021-03-26 09:58:46,572 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:58:46,572 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 29 transitions, 112 flow [2021-03-26 09:58:46,572 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 29 transitions, 112 flow [2021-03-26 09:58:46,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 29 transitions, 112 flow [2021-03-26 09:58:46,582 INFO L129 PetriNetUnfolder]: 17/76 cut-off events. [2021-03-26 09:58:46,582 INFO L130 PetriNetUnfolder]: For 16/17 co-relation queries the response was YES. [2021-03-26 09:58:46,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 76 events. 17/76 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 293 event pairs, 5 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 150. Up to 28 conditions per place. [2021-03-26 09:58:46,584 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 09:58:46,688 INFO L154 LiptonReduction]: Checked pairs total: 204 [2021-03-26 09:58:46,689 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:58:46,689 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 117 [2021-03-26 09:58:46,692 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 29 transitions, 112 flow [2021-03-26 09:58:46,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 0 states have call successors, (0), 0 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 09:58:46,693 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:58:46,693 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:58:46,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 09:58:46,693 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:58:46,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:58:46,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1165640999, now seen corresponding path program 1 times [2021-03-26 09:58:46,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:58:46,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409622015] [2021-03-26 09:58:46,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:58:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:58:46,856 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-26 09:58:46,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 09:58:46,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:46,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 09:58:46,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:46,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 09:58:46,893 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 09:58:46,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409622015] [2021-03-26 09:58:46,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:58:46,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:58:46,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730796821] [2021-03-26 09:58:46,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:58:46,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:58:46,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:58:46,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:58:46,895 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 177 [2021-03-26 09:58:46,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 29 transitions, 112 flow. Second operand has 5 states, 5 states have (on average 134.8) internal successors, (674), 5 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:58:46,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:58:46,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 177 [2021-03-26 09:58:46,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:58:46,986 INFO L129 PetriNetUnfolder]: 78/163 cut-off events. [2021-03-26 09:58:46,986 INFO L130 PetriNetUnfolder]: For 104/139 co-relation queries the response was YES. [2021-03-26 09:58:46,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 163 events. 78/163 cut-off events. For 104/139 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 667 event pairs, 51 based on Foata normal form. 13/169 useless extension candidates. Maximal degree in co-relation 453. Up to 127 conditions per place. [2021-03-26 09:58:46,991 INFO L132 encePairwiseOnDemand]: 171/177 looper letters, 9 selfloop transitions, 10 changer transitions 0/32 dead transitions. [2021-03-26 09:58:46,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 32 transitions, 159 flow [2021-03-26 09:58:46,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 09:58:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 09:58:46,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 553 transitions. [2021-03-26 09:58:46,994 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7810734463276836 [2021-03-26 09:58:46,994 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 553 transitions. [2021-03-26 09:58:46,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 553 transitions. [2021-03-26 09:58:46,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:58:46,995 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 553 transitions. [2021-03-26 09:58:46,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 138.25) internal successors, (553), 4 states have internal predecessors, (553), 0 states have call successors, (0), 0 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 09:58:46,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 177.0) internal successors, (885), 5 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:58:46,998 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 177.0) internal successors, (885), 5 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:58:46,998 INFO L185 Difference]: Start difference. First operand has 34 places, 29 transitions, 112 flow. Second operand 4 states and 553 transitions. [2021-03-26 09:58:46,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 32 transitions, 159 flow [2021-03-26 09:58:47,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 32 transitions, 159 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 09:58:47,001 INFO L241 Difference]: Finished difference. Result has 38 places, 31 transitions, 152 flow [2021-03-26 09:58:47,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=152, PETRI_PLACES=38, PETRI_TRANSITIONS=31} [2021-03-26 09:58:47,001 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, -9 predicate places. [2021-03-26 09:58:47,001 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:58:47,001 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 31 transitions, 152 flow [2021-03-26 09:58:47,002 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 31 transitions, 152 flow [2021-03-26 09:58:47,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 31 transitions, 152 flow [2021-03-26 09:58:47,016 INFO L129 PetriNetUnfolder]: 37/102 cut-off events. [2021-03-26 09:58:47,016 INFO L130 PetriNetUnfolder]: For 107/115 co-relation queries the response was YES. [2021-03-26 09:58:47,017 INFO L84 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 102 events. 37/102 cut-off events. For 107/115 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 380 event pairs, 10 based on Foata normal form. 1/97 useless extension candidates. Maximal degree in co-relation 276. Up to 55 conditions per place. [2021-03-26 09:58:47,018 INFO L142 LiptonReduction]: Number of co-enabled transitions 282 [2021-03-26 09:58:47,021 INFO L154 LiptonReduction]: Checked pairs total: 293 [2021-03-26 09:58:47,021 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:58:47,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-26 09:58:47,024 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 31 transitions, 152 flow [2021-03-26 09:58:47,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 134.8) internal successors, (674), 5 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:58:47,025 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:58:47,025 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:58:47,025 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 09:58:47,025 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:58:47,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:58:47,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1831384507, now seen corresponding path program 1 times [2021-03-26 09:58:47,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:58:47,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185039198] [2021-03-26 09:58:47,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:58:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:58:47,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:47,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 09:58:47,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:47,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 09:58:47,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:47,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 09:58:47,128 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 09:58:47,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185039198] [2021-03-26 09:58:47,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:58:47,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:58:47,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122247416] [2021-03-26 09:58:47,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:58:47,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:58:47,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:58:47,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:58:47,130 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 177 [2021-03-26 09:58:47,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 31 transitions, 152 flow. Second operand has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 0 states have call successors, (0), 0 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 09:58:47,131 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:58:47,131 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 177 [2021-03-26 09:58:47,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:58:47,233 INFO L129 PetriNetUnfolder]: 71/157 cut-off events. [2021-03-26 09:58:47,233 INFO L130 PetriNetUnfolder]: For 199/247 co-relation queries the response was YES. [2021-03-26 09:58:47,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 519 conditions, 157 events. 71/157 cut-off events. For 199/247 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 645 event pairs, 23 based on Foata normal form. 16/169 useless extension candidates. Maximal degree in co-relation 504. Up to 99 conditions per place. [2021-03-26 09:58:47,235 INFO L132 encePairwiseOnDemand]: 173/177 looper letters, 19 selfloop transitions, 6 changer transitions 0/38 dead transitions. [2021-03-26 09:58:47,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 38 transitions, 238 flow [2021-03-26 09:58:47,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 09:58:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 09:58:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 565 transitions. [2021-03-26 09:58:47,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7980225988700564 [2021-03-26 09:58:47,238 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 565 transitions. [2021-03-26 09:58:47,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 565 transitions. [2021-03-26 09:58:47,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:58:47,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 565 transitions. [2021-03-26 09:58:47,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 141.25) internal successors, (565), 4 states have internal predecessors, (565), 0 states have call successors, (0), 0 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 09:58:47,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 177.0) internal successors, (885), 5 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:58:47,242 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 177.0) internal successors, (885), 5 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:58:47,242 INFO L185 Difference]: Start difference. First operand has 38 places, 31 transitions, 152 flow. Second operand 4 states and 565 transitions. [2021-03-26 09:58:47,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 38 transitions, 238 flow [2021-03-26 09:58:47,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 38 transitions, 225 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 09:58:47,245 INFO L241 Difference]: Finished difference. Result has 41 places, 33 transitions, 173 flow [2021-03-26 09:58:47,245 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=173, PETRI_PLACES=41, PETRI_TRANSITIONS=33} [2021-03-26 09:58:47,245 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, -6 predicate places. [2021-03-26 09:58:47,245 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:58:47,245 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 33 transitions, 173 flow [2021-03-26 09:58:47,246 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 33 transitions, 173 flow [2021-03-26 09:58:47,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 33 transitions, 173 flow [2021-03-26 09:58:47,262 INFO L129 PetriNetUnfolder]: 34/111 cut-off events. [2021-03-26 09:58:47,263 INFO L130 PetriNetUnfolder]: For 163/176 co-relation queries the response was YES. [2021-03-26 09:58:47,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 316 conditions, 111 events. 34/111 cut-off events. For 163/176 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 436 event pairs, 8 based on Foata normal form. 2/107 useless extension candidates. Maximal degree in co-relation 301. Up to 52 conditions per place. [2021-03-26 09:58:47,264 INFO L142 LiptonReduction]: Number of co-enabled transitions 292 [2021-03-26 09:58:47,292 INFO L154 LiptonReduction]: Checked pairs total: 245 [2021-03-26 09:58:47,293 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:58:47,293 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-26 09:58:47,295 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 33 transitions, 173 flow [2021-03-26 09:58:47,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 0 states have call successors, (0), 0 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 09:58:47,296 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:58:47,296 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:58:47,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 09:58:47,296 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:58:47,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:58:47,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1247225529, now seen corresponding path program 1 times [2021-03-26 09:58:47,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:58:47,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298674722] [2021-03-26 09:58:47,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:58:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:58:47,418 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.3 percent of original size [2021-03-26 09:58:47,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 09:58:47,463 INFO L142 QuantifierPusher]: treesize reduction 11, result has 79.6 percent of original size [2021-03-26 09:58:47,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 09:58:47,496 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size [2021-03-26 09:58:47,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 09:58:47,527 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 09:58:47,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298674722] [2021-03-26 09:58:47,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:58:47,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:58:47,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141424225] [2021-03-26 09:58:47,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:58:47,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:58:47,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:58:47,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:58:47,530 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 177 [2021-03-26 09:58:47,530 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 33 transitions, 173 flow. Second operand has 5 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 0 states have call successors, (0), 0 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 09:58:47,530 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:58:47,531 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 177 [2021-03-26 09:58:47,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:58:47,616 INFO L129 PetriNetUnfolder]: 82/171 cut-off events. [2021-03-26 09:58:47,617 INFO L130 PetriNetUnfolder]: For 307/393 co-relation queries the response was YES. [2021-03-26 09:58:47,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 171 events. 82/171 cut-off events. For 307/393 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 713 event pairs, 25 based on Foata normal form. 18/183 useless extension candidates. Maximal degree in co-relation 596. Up to 115 conditions per place. [2021-03-26 09:58:47,619 INFO L132 encePairwiseOnDemand]: 170/177 looper letters, 14 selfloop transitions, 13 changer transitions 0/40 dead transitions. [2021-03-26 09:58:47,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 40 transitions, 264 flow [2021-03-26 09:58:47,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 09:58:47,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 09:58:47,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 540 transitions. [2021-03-26 09:58:47,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7627118644067796 [2021-03-26 09:58:47,621 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 540 transitions. [2021-03-26 09:58:47,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 540 transitions. [2021-03-26 09:58:47,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:58:47,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 540 transitions. [2021-03-26 09:58:47,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 0 states have call successors, (0), 0 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 09:58:47,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 177.0) internal successors, (885), 5 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:58:47,625 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 177.0) internal successors, (885), 5 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:58:47,625 INFO L185 Difference]: Start difference. First operand has 41 places, 33 transitions, 173 flow. Second operand 4 states and 540 transitions. [2021-03-26 09:58:47,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 40 transitions, 264 flow [2021-03-26 09:58:47,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 40 transitions, 253 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-26 09:58:47,627 INFO L241 Difference]: Finished difference. Result has 45 places, 37 transitions, 238 flow [2021-03-26 09:58:47,627 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=238, PETRI_PLACES=45, PETRI_TRANSITIONS=37} [2021-03-26 09:58:47,628 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, -2 predicate places. [2021-03-26 09:58:47,628 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:58:47,628 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 37 transitions, 238 flow [2021-03-26 09:58:47,628 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 37 transitions, 238 flow [2021-03-26 09:58:47,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 37 transitions, 238 flow [2021-03-26 09:58:47,658 INFO L129 PetriNetUnfolder]: 64/146 cut-off events. [2021-03-26 09:58:47,659 INFO L130 PetriNetUnfolder]: For 380/432 co-relation queries the response was YES. [2021-03-26 09:58:47,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 146 events. 64/146 cut-off events. For 380/432 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 598 event pairs, 11 based on Foata normal form. 2/136 useless extension candidates. Maximal degree in co-relation 517. Up to 84 conditions per place. [2021-03-26 09:58:47,661 INFO L142 LiptonReduction]: Number of co-enabled transitions 332 [2021-03-26 09:58:47,666 INFO L154 LiptonReduction]: Checked pairs total: 206 [2021-03-26 09:58:47,667 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:58:47,667 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-26 09:58:47,667 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 37 transitions, 238 flow [2021-03-26 09:58:47,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 0 states have call successors, (0), 0 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 09:58:47,668 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:58:47,668 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:58:47,668 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 09:58:47,668 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:58:47,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:58:47,669 INFO L82 PathProgramCache]: Analyzing trace with hash -68034048, now seen corresponding path program 1 times [2021-03-26 09:58:47,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:58:47,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233566537] [2021-03-26 09:58:47,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:58:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:58:47,747 INFO L142 QuantifierPusher]: treesize reduction 11, result has 38.9 percent of original size [2021-03-26 09:58:47,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 09:58:47,752 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-26 09:58:47,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 09:58:47,767 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.3 percent of original size [2021-03-26 09:58:47,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 09:58:47,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:47,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 09:58:47,792 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 09:58:47,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233566537] [2021-03-26 09:58:47,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:58:47,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:58:47,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44906913] [2021-03-26 09:58:47,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:58:47,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:58:47,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:58:47,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:58:47,796 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 177 [2021-03-26 09:58:47,797 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 37 transitions, 238 flow. Second operand has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 0 states have call successors, (0), 0 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 09:58:47,797 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:58:47,797 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 177 [2021-03-26 09:58:47,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:58:47,883 INFO L129 PetriNetUnfolder]: 90/188 cut-off events. [2021-03-26 09:58:47,884 INFO L130 PetriNetUnfolder]: For 572/727 co-relation queries the response was YES. [2021-03-26 09:58:47,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 796 conditions, 188 events. 90/188 cut-off events. For 572/727 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 772 event pairs, 18 based on Foata normal form. 24/210 useless extension candidates. Maximal degree in co-relation 776. Up to 119 conditions per place. [2021-03-26 09:58:47,886 INFO L132 encePairwiseOnDemand]: 169/177 looper letters, 23 selfloop transitions, 14 changer transitions 0/50 dead transitions. [2021-03-26 09:58:47,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 50 transitions, 391 flow [2021-03-26 09:58:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 09:58:47,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 09:58:47,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 696 transitions. [2021-03-26 09:58:47,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7864406779661017 [2021-03-26 09:58:47,889 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 696 transitions. [2021-03-26 09:58:47,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 696 transitions. [2021-03-26 09:58:47,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:58:47,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 696 transitions. [2021-03-26 09:58:47,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 139.2) internal successors, (696), 5 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 09:58:47,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 0 states have call successors, (0), 0 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 09:58:47,893 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 0 states have call successors, (0), 0 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 09:58:47,893 INFO L185 Difference]: Start difference. First operand has 45 places, 37 transitions, 238 flow. Second operand 5 states and 696 transitions. [2021-03-26 09:58:47,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 50 transitions, 391 flow [2021-03-26 09:58:47,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 50 transitions, 370 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 09:58:47,897 INFO L241 Difference]: Finished difference. Result has 49 places, 44 transitions, 316 flow [2021-03-26 09:58:47,897 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=316, PETRI_PLACES=49, PETRI_TRANSITIONS=44} [2021-03-26 09:58:47,897 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 2 predicate places. [2021-03-26 09:58:47,897 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:58:47,897 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 44 transitions, 316 flow [2021-03-26 09:58:47,898 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 44 transitions, 316 flow [2021-03-26 09:58:47,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 44 transitions, 316 flow [2021-03-26 09:58:47,922 INFO L129 PetriNetUnfolder]: 82/183 cut-off events. [2021-03-26 09:58:47,922 INFO L130 PetriNetUnfolder]: For 466/528 co-relation queries the response was YES. [2021-03-26 09:58:47,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 713 conditions, 183 events. 82/183 cut-off events. For 466/528 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 827 event pairs, 12 based on Foata normal form. 1/174 useless extension candidates. Maximal degree in co-relation 693. Up to 103 conditions per place. [2021-03-26 09:58:47,926 INFO L142 LiptonReduction]: Number of co-enabled transitions 382 [2021-03-26 09:58:47,940 INFO L154 LiptonReduction]: Checked pairs total: 393 [2021-03-26 09:58:47,940 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:58:47,940 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-03-26 09:58:47,941 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 44 transitions, 316 flow [2021-03-26 09:58:47,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 0 states have call successors, (0), 0 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 09:58:47,941 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:58:47,941 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:58:47,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 09:58:47,941 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:58:47,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:58:47,942 INFO L82 PathProgramCache]: Analyzing trace with hash 518968134, now seen corresponding path program 2 times [2021-03-26 09:58:47,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:58:47,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818889420] [2021-03-26 09:58:47,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:58:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:58:48,020 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 09:58:48,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 09:58:48,043 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-26 09:58:48,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 09:58:48,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:48,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 09:58:48,082 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-03-26 09:58:48,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 09:58:48,098 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 09:58:48,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818889420] [2021-03-26 09:58:48,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:58:48,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:58:48,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081877643] [2021-03-26 09:58:48,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 09:58:48,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:58:48,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 09:58:48,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 09:58:48,100 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 177 [2021-03-26 09:58:48,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 44 transitions, 316 flow. Second operand has 6 states, 6 states have (on average 132.83333333333334) internal successors, (797), 6 states have internal predecessors, (797), 0 states have call successors, (0), 0 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 09:58:48,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:58:48,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 177 [2021-03-26 09:58:48,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:58:48,217 INFO L129 PetriNetUnfolder]: 88/187 cut-off events. [2021-03-26 09:58:48,217 INFO L130 PetriNetUnfolder]: For 725/945 co-relation queries the response was YES. [2021-03-26 09:58:48,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 883 conditions, 187 events. 88/187 cut-off events. For 725/945 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 781 event pairs, 17 based on Foata normal form. 38/222 useless extension candidates. Maximal degree in co-relation 861. Up to 115 conditions per place. [2021-03-26 09:58:48,220 INFO L132 encePairwiseOnDemand]: 170/177 looper letters, 22 selfloop transitions, 18 changer transitions 0/53 dead transitions. [2021-03-26 09:58:48,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 53 transitions, 466 flow [2021-03-26 09:58:48,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 09:58:48,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 09:58:48,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 681 transitions. [2021-03-26 09:58:48,223 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7694915254237288 [2021-03-26 09:58:48,223 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 681 transitions. [2021-03-26 09:58:48,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 681 transitions. [2021-03-26 09:58:48,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:58:48,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 681 transitions. [2021-03-26 09:58:48,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 0 states have call successors, (0), 0 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 09:58:48,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 0 states have call successors, (0), 0 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 09:58:48,227 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 0 states have call successors, (0), 0 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 09:58:48,227 INFO L185 Difference]: Start difference. First operand has 49 places, 44 transitions, 316 flow. Second operand 5 states and 681 transitions. [2021-03-26 09:58:48,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 53 transitions, 466 flow [2021-03-26 09:58:48,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 53 transitions, 440 flow, removed 9 selfloop flow, removed 1 redundant places. [2021-03-26 09:58:48,233 INFO L241 Difference]: Finished difference. Result has 54 places, 49 transitions, 396 flow [2021-03-26 09:58:48,233 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=396, PETRI_PLACES=54, PETRI_TRANSITIONS=49} [2021-03-26 09:58:48,233 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 7 predicate places. [2021-03-26 09:58:48,233 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:58:48,234 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 49 transitions, 396 flow [2021-03-26 09:58:48,234 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 49 transitions, 396 flow [2021-03-26 09:58:48,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 49 transitions, 396 flow [2021-03-26 09:58:48,257 INFO L129 PetriNetUnfolder]: 79/180 cut-off events. [2021-03-26 09:58:48,257 INFO L130 PetriNetUnfolder]: For 697/789 co-relation queries the response was YES. [2021-03-26 09:58:48,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 781 conditions, 180 events. 79/180 cut-off events. For 697/789 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 796 event pairs, 15 based on Foata normal form. 3/174 useless extension candidates. Maximal degree in co-relation 758. Up to 92 conditions per place. [2021-03-26 09:58:48,260 INFO L142 LiptonReduction]: Number of co-enabled transitions 404 [2021-03-26 09:58:48,269 INFO L154 LiptonReduction]: Checked pairs total: 494 [2021-03-26 09:58:48,269 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:58:48,269 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-03-26 09:58:48,269 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 49 transitions, 396 flow [2021-03-26 09:58:48,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 132.83333333333334) internal successors, (797), 6 states have internal predecessors, (797), 0 states have call successors, (0), 0 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 09:58:48,270 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:58:48,270 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:58:48,270 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 09:58:48,271 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:58:48,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:58:48,271 INFO L82 PathProgramCache]: Analyzing trace with hash 171768926, now seen corresponding path program 1 times [2021-03-26 09:58:48,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:58:48,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638003023] [2021-03-26 09:58:48,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:58:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:58:48,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:48,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:58:48,333 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 09:58:48,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 09:58:48,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:48,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:58:48,342 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 09:58:48,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638003023] [2021-03-26 09:58:48,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:58:48,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:58:48,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21154902] [2021-03-26 09:58:48,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 09:58:48,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:58:48,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 09:58:48,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 09:58:48,344 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 177 [2021-03-26 09:58:48,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 49 transitions, 396 flow. Second operand has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 0 states have call successors, (0), 0 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 09:58:48,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:58:48,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 177 [2021-03-26 09:58:48,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:58:48,403 INFO L129 PetriNetUnfolder]: 109/257 cut-off events. [2021-03-26 09:58:48,403 INFO L130 PetriNetUnfolder]: For 1114/1277 co-relation queries the response was YES. [2021-03-26 09:58:48,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1006 conditions, 257 events. 109/257 cut-off events. For 1114/1277 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1345 event pairs, 38 based on Foata normal form. 51/289 useless extension candidates. Maximal degree in co-relation 981. Up to 107 conditions per place. [2021-03-26 09:58:48,406 INFO L132 encePairwiseOnDemand]: 171/177 looper letters, 9 selfloop transitions, 8 changer transitions 0/53 dead transitions. [2021-03-26 09:58:48,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 53 transitions, 397 flow [2021-03-26 09:58:48,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 09:58:48,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 09:58:48,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 768 transitions. [2021-03-26 09:58:48,409 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8677966101694915 [2021-03-26 09:58:48,409 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 768 transitions. [2021-03-26 09:58:48,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 768 transitions. [2021-03-26 09:58:48,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:58:48,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 768 transitions. [2021-03-26 09:58:48,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 153.6) internal successors, (768), 5 states have internal predecessors, (768), 0 states have call successors, (0), 0 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 09:58:48,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 0 states have call successors, (0), 0 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 09:58:48,412 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 0 states have call successors, (0), 0 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 09:58:48,413 INFO L185 Difference]: Start difference. First operand has 54 places, 49 transitions, 396 flow. Second operand 5 states and 768 transitions. [2021-03-26 09:58:48,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 53 transitions, 397 flow [2021-03-26 09:58:48,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 53 transitions, 370 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-26 09:58:48,418 INFO L241 Difference]: Finished difference. Result has 59 places, 50 transitions, 380 flow [2021-03-26 09:58:48,418 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=380, PETRI_PLACES=59, PETRI_TRANSITIONS=50} [2021-03-26 09:58:48,418 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 12 predicate places. [2021-03-26 09:58:48,418 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:58:48,418 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 50 transitions, 380 flow [2021-03-26 09:58:48,419 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 50 transitions, 380 flow [2021-03-26 09:58:48,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 50 transitions, 380 flow [2021-03-26 09:58:48,449 INFO L129 PetriNetUnfolder]: 116/273 cut-off events. [2021-03-26 09:58:48,450 INFO L130 PetriNetUnfolder]: For 862/961 co-relation queries the response was YES. [2021-03-26 09:58:48,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1075 conditions, 273 events. 116/273 cut-off events. For 862/961 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1491 event pairs, 29 based on Foata normal form. 18/274 useless extension candidates. Maximal degree in co-relation 1048. Up to 119 conditions per place. [2021-03-26 09:58:48,453 INFO L142 LiptonReduction]: Number of co-enabled transitions 456 [2021-03-26 09:58:48,458 INFO L154 LiptonReduction]: Checked pairs total: 330 [2021-03-26 09:58:48,459 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:58:48,459 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-26 09:58:48,459 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 50 transitions, 380 flow [2021-03-26 09:58:48,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 0 states have call successors, (0), 0 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 09:58:48,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:58:48,460 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:58:48,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 09:58:48,460 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:58:48,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:58:48,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1027628587, now seen corresponding path program 1 times [2021-03-26 09:58:48,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:58:48,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178401403] [2021-03-26 09:58:48,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:58:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:58:48,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:48,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:58:48,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:48,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:58:48,526 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 09:58:48,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 09:58:48,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:48,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:58:48,534 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 09:58:48,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178401403] [2021-03-26 09:58:48,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:58:48,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:58:48,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636961442] [2021-03-26 09:58:48,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:58:48,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:58:48,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:58:48,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:58:48,536 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 177 [2021-03-26 09:58:48,537 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 50 transitions, 380 flow. Second operand has 5 states, 5 states have (on average 150.8) internal successors, (754), 5 states have internal predecessors, (754), 0 states have call successors, (0), 0 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 09:58:48,537 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:58:48,537 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 177 [2021-03-26 09:58:48,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:58:48,595 INFO L129 PetriNetUnfolder]: 57/174 cut-off events. [2021-03-26 09:58:48,595 INFO L130 PetriNetUnfolder]: For 775/1155 co-relation queries the response was YES. [2021-03-26 09:58:48,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 736 conditions, 174 events. 57/174 cut-off events. For 775/1155 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 867 event pairs, 7 based on Foata normal form. 114/278 useless extension candidates. Maximal degree in co-relation 707. Up to 84 conditions per place. [2021-03-26 09:58:48,597 INFO L132 encePairwiseOnDemand]: 171/177 looper letters, 5 selfloop transitions, 15 changer transitions 3/55 dead transitions. [2021-03-26 09:58:48,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 55 transitions, 441 flow [2021-03-26 09:58:48,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 09:58:48,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 09:58:48,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1075 transitions. [2021-03-26 09:58:48,600 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8676351896690879 [2021-03-26 09:58:48,600 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1075 transitions. [2021-03-26 09:58:48,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1075 transitions. [2021-03-26 09:58:48,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:58:48,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1075 transitions. [2021-03-26 09:58:48,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 153.57142857142858) internal successors, (1075), 7 states have internal predecessors, (1075), 0 states have call successors, (0), 0 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 09:58:48,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 177.0) internal successors, (1416), 8 states have internal predecessors, (1416), 0 states have call successors, (0), 0 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 09:58:48,606 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 177.0) internal successors, (1416), 8 states have internal predecessors, (1416), 0 states have call successors, (0), 0 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 09:58:48,606 INFO L185 Difference]: Start difference. First operand has 59 places, 50 transitions, 380 flow. Second operand 7 states and 1075 transitions. [2021-03-26 09:58:48,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 55 transitions, 441 flow [2021-03-26 09:58:48,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 55 transitions, 398 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-03-26 09:58:48,610 INFO L241 Difference]: Finished difference. Result has 61 places, 52 transitions, 393 flow [2021-03-26 09:58:48,611 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=393, PETRI_PLACES=61, PETRI_TRANSITIONS=52} [2021-03-26 09:58:48,611 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 14 predicate places. [2021-03-26 09:58:48,611 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:58:48,611 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 52 transitions, 393 flow [2021-03-26 09:58:48,611 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 52 transitions, 393 flow [2021-03-26 09:58:48,612 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 52 transitions, 393 flow [2021-03-26 09:58:48,661 INFO L129 PetriNetUnfolder]: 56/180 cut-off events. [2021-03-26 09:58:48,661 INFO L130 PetriNetUnfolder]: For 644/722 co-relation queries the response was YES. [2021-03-26 09:58:48,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 778 conditions, 180 events. 56/180 cut-off events. For 644/722 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 947 event pairs, 5 based on Foata normal form. 6/180 useless extension candidates. Maximal degree in co-relation 751. Up to 90 conditions per place. [2021-03-26 09:58:48,663 INFO L142 LiptonReduction]: Number of co-enabled transitions 504 [2021-03-26 09:58:48,675 INFO L154 LiptonReduction]: Checked pairs total: 903 [2021-03-26 09:58:48,675 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 09:58:48,675 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-03-26 09:58:48,676 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 377 flow [2021-03-26 09:58:48,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 150.8) internal successors, (754), 5 states have internal predecessors, (754), 0 states have call successors, (0), 0 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 09:58:48,676 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:58:48,676 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 09:58:48,676 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 09:58:48,677 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:58:48,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:58:48,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1202844996, now seen corresponding path program 1 times [2021-03-26 09:58:48,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:58:48,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175978473] [2021-03-26 09:58:48,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:58:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:58:48,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:48,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:58:48,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:48,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:58:48,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:48,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:58:48,755 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 09:58:48,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 09:58:48,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:48,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:58:48,764 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 09:58:48,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175978473] [2021-03-26 09:58:48,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:58:48,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 09:58:48,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443833147] [2021-03-26 09:58:48,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 09:58:48,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:58:48,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 09:58:48,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 09:58:48,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 177 [2021-03-26 09:58:48,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 377 flow. Second operand has 6 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:58:48,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:58:48,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 177 [2021-03-26 09:58:48,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:58:48,819 INFO L129 PetriNetUnfolder]: 32/98 cut-off events. [2021-03-26 09:58:48,819 INFO L130 PetriNetUnfolder]: For 432/501 co-relation queries the response was YES. [2021-03-26 09:58:48,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 98 events. 32/98 cut-off events. For 432/501 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 318 event pairs, 2 based on Foata normal form. 25/120 useless extension candidates. Maximal degree in co-relation 387. Up to 38 conditions per place. [2021-03-26 09:58:48,820 INFO L132 encePairwiseOnDemand]: 171/177 looper letters, 2 selfloop transitions, 11 changer transitions 3/48 dead transitions. [2021-03-26 09:58:48,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 48 transitions, 382 flow [2021-03-26 09:58:48,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 09:58:48,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 09:58:48,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1068 transitions. [2021-03-26 09:58:48,823 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8619854721549637 [2021-03-26 09:58:48,823 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1068 transitions. [2021-03-26 09:58:48,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1068 transitions. [2021-03-26 09:58:48,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:58:48,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1068 transitions. [2021-03-26 09:58:48,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 152.57142857142858) internal successors, (1068), 7 states have internal predecessors, (1068), 0 states have call successors, (0), 0 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 09:58:48,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 177.0) internal successors, (1416), 8 states have internal predecessors, (1416), 0 states have call successors, (0), 0 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 09:58:48,828 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 177.0) internal successors, (1416), 8 states have internal predecessors, (1416), 0 states have call successors, (0), 0 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 09:58:48,829 INFO L185 Difference]: Start difference. First operand has 61 places, 50 transitions, 377 flow. Second operand 7 states and 1068 transitions. [2021-03-26 09:58:48,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 48 transitions, 382 flow [2021-03-26 09:58:48,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 48 transitions, 340 flow, removed 16 selfloop flow, removed 6 redundant places. [2021-03-26 09:58:48,832 INFO L241 Difference]: Finished difference. Result has 59 places, 45 transitions, 320 flow [2021-03-26 09:58:48,832 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=320, PETRI_PLACES=59, PETRI_TRANSITIONS=45} [2021-03-26 09:58:48,832 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 12 predicate places. [2021-03-26 09:58:48,832 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:58:48,832 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 45 transitions, 320 flow [2021-03-26 09:58:48,832 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 45 transitions, 320 flow [2021-03-26 09:58:48,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 45 transitions, 320 flow [2021-03-26 09:58:48,843 INFO L129 PetriNetUnfolder]: 31/98 cut-off events. [2021-03-26 09:58:48,843 INFO L130 PetriNetUnfolder]: For 242/279 co-relation queries the response was YES. [2021-03-26 09:58:48,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 98 events. 31/98 cut-off events. For 242/279 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 345 event pairs, 1 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 364. Up to 30 conditions per place. [2021-03-26 09:58:48,845 INFO L142 LiptonReduction]: Number of co-enabled transitions 302 [2021-03-26 09:58:49,482 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 184 [2021-03-26 09:58:49,678 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-03-26 09:58:50,920 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 338 DAG size of output: 260 [2021-03-26 09:58:51,339 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-03-26 09:58:51,551 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-26 09:58:51,754 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-26 09:58:52,217 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-03-26 09:58:52,704 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-03-26 09:58:52,712 INFO L154 LiptonReduction]: Checked pairs total: 1009 [2021-03-26 09:58:52,712 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 09:58:52,712 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3880 [2021-03-26 09:58:52,713 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 42 transitions, 306 flow [2021-03-26 09:58:52,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:58:52,713 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:58:52,713 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 09:58:52,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 09:58:52,714 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:58:52,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:58:52,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1631145287, now seen corresponding path program 1 times [2021-03-26 09:58:52,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:58:52,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755601060] [2021-03-26 09:58:52,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:58:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:58:52,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:52,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:58:52,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:52,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:58:52,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:52,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:58:52,778 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 09:58:52,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755601060] [2021-03-26 09:58:52,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:58:52,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:58:52,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603771224] [2021-03-26 09:58:52,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 09:58:52,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:58:52,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 09:58:52,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 09:58:52,780 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 179 [2021-03-26 09:58:52,781 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 42 transitions, 306 flow. Second operand has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 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 09:58:52,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:58:52,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 179 [2021-03-26 09:58:52,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:58:52,814 INFO L129 PetriNetUnfolder]: 49/140 cut-off events. [2021-03-26 09:58:52,814 INFO L130 PetriNetUnfolder]: For 709/763 co-relation queries the response was YES. [2021-03-26 09:58:52,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 140 events. 49/140 cut-off events. For 709/763 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 593 event pairs, 3 based on Foata normal form. 17/152 useless extension candidates. Maximal degree in co-relation 520. Up to 45 conditions per place. [2021-03-26 09:58:52,816 INFO L132 encePairwiseOnDemand]: 176/179 looper letters, 3 selfloop transitions, 2 changer transitions 4/43 dead transitions. [2021-03-26 09:58:52,816 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 43 transitions, 318 flow [2021-03-26 09:58:52,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 09:58:52,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 09:58:52,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 590 transitions. [2021-03-26 09:58:52,818 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8240223463687151 [2021-03-26 09:58:52,818 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 590 transitions. [2021-03-26 09:58:52,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 590 transitions. [2021-03-26 09:58:52,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:58:52,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 590 transitions. [2021-03-26 09:58:52,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 147.5) internal successors, (590), 4 states have internal predecessors, (590), 0 states have call successors, (0), 0 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 09:58:52,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 0 states have call successors, (0), 0 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 09:58:52,821 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 0 states have call successors, (0), 0 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 09:58:52,821 INFO L185 Difference]: Start difference. First operand has 55 places, 42 transitions, 306 flow. Second operand 4 states and 590 transitions. [2021-03-26 09:58:52,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 43 transitions, 318 flow [2021-03-26 09:58:52,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 43 transitions, 276 flow, removed 12 selfloop flow, removed 7 redundant places. [2021-03-26 09:58:52,825 INFO L241 Difference]: Finished difference. Result has 53 places, 39 transitions, 244 flow [2021-03-26 09:58:52,825 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=244, PETRI_PLACES=53, PETRI_TRANSITIONS=39} [2021-03-26 09:58:52,825 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 6 predicate places. [2021-03-26 09:58:52,825 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:58:52,825 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 39 transitions, 244 flow [2021-03-26 09:58:52,826 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 39 transitions, 244 flow [2021-03-26 09:58:52,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 39 transitions, 244 flow [2021-03-26 09:58:52,838 INFO L129 PetriNetUnfolder]: 42/121 cut-off events. [2021-03-26 09:58:52,838 INFO L130 PetriNetUnfolder]: For 225/268 co-relation queries the response was YES. [2021-03-26 09:58:52,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 121 events. 42/121 cut-off events. For 225/268 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 507 event pairs, 2 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 393. Up to 37 conditions per place. [2021-03-26 09:58:52,840 INFO L142 LiptonReduction]: Number of co-enabled transitions 270 [2021-03-26 09:58:53,010 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-26 09:58:53,361 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2021-03-26 09:58:53,478 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-26 09:58:53,483 INFO L154 LiptonReduction]: Checked pairs total: 225 [2021-03-26 09:58:53,483 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 09:58:53,483 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 658 [2021-03-26 09:58:53,484 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 39 transitions, 251 flow [2021-03-26 09:58:53,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 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 09:58:53,484 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:58:53,484 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 09:58:53,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 09:58:53,485 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:58:53,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:58:53,485 INFO L82 PathProgramCache]: Analyzing trace with hash -168474548, now seen corresponding path program 1 times [2021-03-26 09:58:53,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:58:53,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172439612] [2021-03-26 09:58:53,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:58:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:58:53,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:53,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:58:53,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:53,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:58:53,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:58:53,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:58:53,531 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 09:58:53,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172439612] [2021-03-26 09:58:53,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:58:53,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:58:53,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176667814] [2021-03-26 09:58:53,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 09:58:53,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:58:53,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 09:58:53,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 09:58:53,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 180 [2021-03-26 09:58:53,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 39 transitions, 251 flow. Second operand has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 0 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 09:58:53,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:58:53,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 180 [2021-03-26 09:58:53,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:58:53,571 INFO L129 PetriNetUnfolder]: 81/226 cut-off events. [2021-03-26 09:58:53,571 INFO L130 PetriNetUnfolder]: For 511/567 co-relation queries the response was YES. [2021-03-26 09:58:53,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 226 events. 81/226 cut-off events. For 511/567 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1182 event pairs, 6 based on Foata normal form. 13/227 useless extension candidates. Maximal degree in co-relation 761. Up to 72 conditions per place. [2021-03-26 09:58:53,573 INFO L132 encePairwiseOnDemand]: 177/180 looper letters, 3 selfloop transitions, 1 changer transitions 9/40 dead transitions. [2021-03-26 09:58:53,573 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 40 transitions, 263 flow [2021-03-26 09:58:53,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 09:58:53,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 09:58:53,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 602 transitions. [2021-03-26 09:58:53,575 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8361111111111111 [2021-03-26 09:58:53,575 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 602 transitions. [2021-03-26 09:58:53,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 602 transitions. [2021-03-26 09:58:53,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:58:53,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 602 transitions. [2021-03-26 09:58:53,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 150.5) internal successors, (602), 4 states have internal predecessors, (602), 0 states have call successors, (0), 0 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 09:58:53,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 0 states have call successors, (0), 0 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 09:58:53,578 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 0 states have call successors, (0), 0 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 09:58:53,578 INFO L185 Difference]: Start difference. First operand has 53 places, 39 transitions, 251 flow. Second operand 4 states and 602 transitions. [2021-03-26 09:58:53,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 40 transitions, 263 flow [2021-03-26 09:58:53,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 40 transitions, 242 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 09:58:53,582 INFO L241 Difference]: Finished difference. Result has 54 places, 31 transitions, 189 flow [2021-03-26 09:58:53,582 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=189, PETRI_PLACES=54, PETRI_TRANSITIONS=31} [2021-03-26 09:58:53,582 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 7 predicate places. [2021-03-26 09:58:53,582 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:58:53,582 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 31 transitions, 189 flow [2021-03-26 09:58:53,583 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 31 transitions, 189 flow [2021-03-26 09:58:53,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 31 transitions, 189 flow [2021-03-26 09:58:53,594 INFO L129 PetriNetUnfolder]: 23/85 cut-off events. [2021-03-26 09:58:53,594 INFO L130 PetriNetUnfolder]: For 124/125 co-relation queries the response was YES. [2021-03-26 09:58:53,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 85 events. 23/85 cut-off events. For 124/125 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 303 event pairs, 1 based on Foata normal form. 1/85 useless extension candidates. Maximal degree in co-relation 273. Up to 26 conditions per place. [2021-03-26 09:58:53,595 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 09:58:53,680 INFO L154 LiptonReduction]: Checked pairs total: 55 [2021-03-26 09:58:53,681 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 09:58:53,681 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 99 [2021-03-26 09:58:53,683 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 29 transitions, 188 flow [2021-03-26 09:58:53,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 0 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 09:58:53,683 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:58:53,683 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 09:58:53,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 09:58:53,683 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:58:53,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:58:53,684 INFO L82 PathProgramCache]: Analyzing trace with hash 223897218, now seen corresponding path program 2 times [2021-03-26 09:58:53,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:58:53,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047600520] [2021-03-26 09:58:53,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:58:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 09:58:53,724 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 09:58:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 09:58:53,760 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 09:58:53,800 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 09:58:53,801 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 09:58:53,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 09:58:53,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 09:58:53 BasicIcfg [2021-03-26 09:58:53,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 09:58:53,891 INFO L168 Benchmark]: Toolchain (without parser) took 23165.31 ms. Allocated memory was 381.7 MB in the beginning and 673.2 MB in the end (delta: 291.5 MB). Free memory was 344.5 MB in the beginning and 361.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 276.8 MB. Max. memory is 16.0 GB. [2021-03-26 09:58:53,891 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 381.7 MB. Free memory is still 362.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 09:58:53,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.63 ms. Allocated memory is still 381.7 MB. Free memory was 344.3 MB in the beginning and 341.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.0 GB. [2021-03-26 09:58:53,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.35 ms. Allocated memory is still 381.7 MB. Free memory was 341.1 MB in the beginning and 337.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 09:58:53,896 INFO L168 Benchmark]: Boogie Preprocessor took 46.64 ms. Allocated memory is still 381.7 MB. Free memory was 337.9 MB in the beginning and 335.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 09:58:53,897 INFO L168 Benchmark]: RCFGBuilder took 1782.22 ms. Allocated memory is still 381.7 MB. Free memory was 335.8 MB in the beginning and 289.6 MB in the end (delta: 46.2 MB). Peak memory consumption was 163.6 MB. Max. memory is 16.0 GB. [2021-03-26 09:58:53,897 INFO L168 Benchmark]: TraceAbstraction took 20709.43 ms. Allocated memory was 381.7 MB in the beginning and 673.2 MB in the end (delta: 291.5 MB). Free memory was 288.6 MB in the beginning and 361.0 MB in the end (delta: -72.5 MB). Peak memory consumption was 219.0 MB. Max. memory is 16.0 GB. [2021-03-26 09:58:53,903 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 381.7 MB. Free memory is still 362.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 540.63 ms. Allocated memory is still 381.7 MB. Free memory was 344.3 MB in the beginning and 341.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 77.35 ms. Allocated memory is still 381.7 MB. Free memory was 341.1 MB in the beginning and 337.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 46.64 ms. Allocated memory is still 381.7 MB. Free memory was 337.9 MB in the beginning and 335.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1782.22 ms. Allocated memory is still 381.7 MB. Free memory was 335.8 MB in the beginning and 289.6 MB in the end (delta: 46.2 MB). Peak memory consumption was 163.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 20709.43 ms. Allocated memory was 381.7 MB in the beginning and 673.2 MB in the end (delta: 291.5 MB). Free memory was 288.6 MB in the beginning and 361.0 MB in the end (delta: -72.5 MB). Peak memory consumption was 219.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8153.2ms, 105 PlacesBefore, 47 PlacesAfterwards, 97 TransitionsBefore, 38 TransitionsAfterwards, 1770 CoEnabledTransitionPairs, 5 FixpointIterations, 30 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 67 TotalNumberOfCompositions, 3236 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1709, positive: 1618, positive conditional: 1618, positive unconditional: 0, negative: 91, negative conditional: 91, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1709, positive: 1618, positive conditional: 0, positive unconditional: 1618, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1709, positive: 1618, positive conditional: 0, positive unconditional: 1618, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1242, positive: 1199, positive conditional: 0, positive unconditional: 1199, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1242, positive: 1193, positive conditional: 0, positive unconditional: 1193, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 951, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 936, negative conditional: 0, negative unconditional: 936, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1709, positive: 419, positive conditional: 0, positive unconditional: 419, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 1242, unknown conditional: 0, unknown unconditional: 1242] , Statistics on independence cache: Total cache size (in pairs): 1242, Positive cache size: 1199, Positive conditional cache size: 0, Positive unconditional cache size: 1199, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3295.0ms, 44 PlacesBefore, 32 PlacesAfterwards, 31 TransitionsBefore, 23 TransitionsAfterwards, 290 CoEnabledTransitionPairs, 4 FixpointIterations, 6 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 1307 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 485, positive: 392, positive conditional: 392, positive unconditional: 0, negative: 93, negative conditional: 93, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 485, positive: 392, positive conditional: 39, positive unconditional: 353, negative: 93, negative conditional: 12, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 485, positive: 392, positive conditional: 39, positive unconditional: 353, negative: 93, negative conditional: 12, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 101, positive: 83, positive conditional: 10, positive unconditional: 73, negative: 18, negative conditional: 2, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 101, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 18, negative conditional: 2, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 350, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 322, negative conditional: 33, negative unconditional: 289, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 485, positive: 309, positive conditional: 29, positive unconditional: 280, negative: 75, negative conditional: 10, negative unconditional: 65, unknown: 101, unknown conditional: 12, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 1343, Positive cache size: 1282, Positive conditional cache size: 10, Positive unconditional cache size: 1272, Negative cache size: 61, Negative conditional cache size: 2, Negative unconditional cache size: 59, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 910.6ms, 33 PlacesBefore, 31 PlacesAfterwards, 23 TransitionsBefore, 21 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 542 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 183, positive: 143, positive conditional: 143, positive unconditional: 0, negative: 40, negative conditional: 40, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 183, positive: 143, positive conditional: 0, positive unconditional: 143, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 183, positive: 143, positive conditional: 0, positive unconditional: 143, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 183, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , Statistics on independence cache: Total cache size (in pairs): 1357, Positive cache size: 1294, Positive conditional cache size: 10, Positive unconditional cache size: 1284, Negative cache size: 63, Negative conditional cache size: 2, Negative unconditional cache size: 61, Eliminated conditions: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 116.4ms, 34 PlacesBefore, 34 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 204 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 81, positive: 69, positive conditional: 69, 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: 81, positive: 69, positive conditional: 18, positive unconditional: 51, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 69, positive conditional: 18, positive unconditional: 51, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 99, negative conditional: 74, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 81, positive: 65, positive conditional: 17, positive unconditional: 48, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 8, unknown conditional: 4, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1365, Positive cache size: 1298, Positive conditional cache size: 11, Positive unconditional cache size: 1287, Negative cache size: 67, Negative conditional cache size: 5, Negative unconditional cache size: 62, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.7ms, 38 PlacesBefore, 38 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 293 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 106, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 89, positive conditional: 24, positive unconditional: 65, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 89, positive conditional: 24, positive unconditional: 65, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 106, positive: 88, positive conditional: 24, positive unconditional: 64, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1366, Positive cache size: 1299, Positive conditional cache size: 11, Positive unconditional cache size: 1288, Negative cache size: 67, Negative conditional cache size: 5, Negative unconditional cache size: 62, Eliminated conditions: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.0ms, 41 PlacesBefore, 41 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 292 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 245 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, positive: 112, positive conditional: 112, 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: 127, positive: 112, positive conditional: 42, positive unconditional: 70, negative: 15, negative conditional: 1, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127, positive: 112, positive conditional: 42, positive unconditional: 70, negative: 15, negative conditional: 1, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 127, positive: 109, positive conditional: 41, positive unconditional: 68, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1370, Positive cache size: 1302, Positive conditional cache size: 12, Positive unconditional cache size: 1290, Negative cache size: 68, Negative conditional cache size: 6, Negative unconditional cache size: 62, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.4ms, 45 PlacesBefore, 45 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 206 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 123, positive: 113, positive conditional: 113, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 123, positive: 113, positive conditional: 39, positive unconditional: 74, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 123, positive: 113, positive conditional: 39, positive unconditional: 74, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 123, positive: 112, positive conditional: 38, positive unconditional: 74, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1371, Positive cache size: 1303, Positive conditional cache size: 13, Positive unconditional cache size: 1290, Negative cache size: 68, Negative conditional cache size: 6, Negative unconditional cache size: 62, Eliminated conditions: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.4ms, 49 PlacesBefore, 49 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 393 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 290, positive: 273, positive conditional: 273, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 290, positive: 273, positive conditional: 121, positive unconditional: 152, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 290, positive: 273, positive conditional: 121, positive unconditional: 152, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 2, 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: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 290, positive: 268, positive conditional: 119, positive unconditional: 149, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1377, Positive cache size: 1308, Positive conditional cache size: 15, Positive unconditional cache size: 1293, Negative cache size: 69, Negative conditional cache size: 6, Negative unconditional cache size: 63, Eliminated conditions: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.0ms, 54 PlacesBefore, 54 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 404 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 494 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 249, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 249, positive: 227, positive conditional: 100, positive unconditional: 127, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 249, positive: 227, positive conditional: 100, positive unconditional: 127, negative: 22, negative conditional: 0, negative unconditional: 22, 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: 249, positive: 226, positive conditional: 100, positive unconditional: 126, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1378, Positive cache size: 1309, Positive conditional cache size: 15, Positive unconditional cache size: 1294, Negative cache size: 69, Negative conditional cache size: 6, Negative unconditional cache size: 63, Eliminated conditions: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.1ms, 59 PlacesBefore, 59 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 456 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 330 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 222, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 222, positive: 209, positive conditional: 117, positive unconditional: 92, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 222, positive: 209, positive conditional: 117, positive unconditional: 92, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 222, positive: 209, positive conditional: 117, positive unconditional: 92, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1378, Positive cache size: 1309, Positive conditional cache size: 15, Positive unconditional cache size: 1294, Negative cache size: 69, Negative conditional cache size: 6, Negative unconditional cache size: 63, Eliminated conditions: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 63.9ms, 61 PlacesBefore, 61 PlacesAfterwards, 52 TransitionsBefore, 50 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 903 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 748, positive: 716, positive conditional: 716, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 748, positive: 716, positive conditional: 484, positive unconditional: 232, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 748, positive: 716, positive conditional: 484, positive unconditional: 232, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, 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: 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: 748, positive: 712, positive conditional: 480, positive unconditional: 232, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1382, Positive cache size: 1313, Positive conditional cache size: 19, Positive unconditional cache size: 1294, Negative cache size: 69, Negative conditional cache size: 6, Negative unconditional cache size: 63, Eliminated conditions: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3879.8ms, 59 PlacesBefore, 55 PlacesAfterwards, 45 TransitionsBefore, 42 TransitionsAfterwards, 302 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1009 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 776, positive: 725, positive conditional: 725, positive unconditional: 0, negative: 51, negative conditional: 51, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 776, positive: 725, positive conditional: 527, positive unconditional: 198, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 776, positive: 725, positive conditional: 527, positive unconditional: 198, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 4, 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: 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: 776, positive: 719, positive conditional: 523, positive unconditional: 196, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1388, Positive cache size: 1319, Positive conditional cache size: 23, Positive unconditional cache size: 1296, Negative cache size: 69, Negative conditional cache size: 6, Negative unconditional cache size: 63, Eliminated conditions: 54 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 657.8ms, 53 PlacesBefore, 53 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 225 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 195, positive: 183, positive conditional: 183, 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: 195, positive: 183, positive conditional: 117, positive unconditional: 66, 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: 195, positive: 183, positive conditional: 117, positive unconditional: 66, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 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: 195, positive: 179, positive conditional: 117, positive unconditional: 62, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1392, Positive cache size: 1323, Positive conditional cache size: 23, Positive unconditional cache size: 1300, Negative cache size: 69, Negative conditional cache size: 6, Negative unconditional cache size: 63, Eliminated conditions: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 98.0ms, 54 PlacesBefore, 47 PlacesAfterwards, 31 TransitionsBefore, 29 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 55 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45, positive: 44, positive conditional: 23, positive unconditional: 21, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 44, positive conditional: 23, positive unconditional: 21, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 2, 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: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45, positive: 39, positive conditional: 21, positive unconditional: 18, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1398, Positive cache size: 1328, Positive conditional cache size: 25, Positive unconditional cache size: 1303, Negative cache size: 70, Negative conditional cache size: 6, Negative unconditional cache size: 64, Eliminated conditions: 1 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L720] 0 _Bool x$flush_delayed; [L721] 0 int x$mem_tmp; [L722] 0 _Bool x$r_buff0_thd0; [L723] 0 _Bool x$r_buff0_thd1; [L724] 0 _Bool x$r_buff0_thd2; [L725] 0 _Bool x$r_buff0_thd3; [L726] 0 _Bool x$r_buff1_thd0; [L727] 0 _Bool x$r_buff1_thd1; [L728] 0 _Bool x$r_buff1_thd2; [L729] 0 _Bool x$r_buff1_thd3; [L730] 0 _Bool x$read_delayed; [L731] 0 int *x$read_delayed_var; [L732] 0 int x$w_buff0; [L733] 0 _Bool x$w_buff0_used; [L734] 0 int x$w_buff1; [L735] 0 _Bool x$w_buff1_used; [L737] 0 int y = 0; [L739] 0 int z = 0; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L825] 0 pthread_t t515; [L826] FCALL, FORK 0 pthread_create(&t515, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L827] 0 pthread_t t516; [L828] FCALL, FORK 0 pthread_create(&t516, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L765] 2 x$w_buff1 = x$w_buff0 [L766] 2 x$w_buff0 = 2 [L767] 2 x$w_buff1_used = x$w_buff0_used [L768] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L770] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L771] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L772] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L773] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L774] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L829] 0 pthread_t t517; [L830] FCALL, FORK 0 pthread_create(&t517, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L777] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L794] 3 y = 1 [L797] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L800] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L745] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L748] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L751] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L751] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L751] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L751] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L752] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L752] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L753] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L753] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L754] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L754] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L755] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L760] 1 return 0; [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L780] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L781] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L781] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L782] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L783] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L783] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L784] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L784] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; [L803] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L803] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L803] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L803] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L804] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L804] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L805] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L805] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L806] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L806] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L807] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L807] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L810] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L812] 3 return 0; [L832] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L836] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L836] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L836] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L836] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L837] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L837] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L838] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L838] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L839] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L839] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L840] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L840] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L843] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L844] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L845] 0 x$flush_delayed = weak$$choice2 [L846] 0 x$mem_tmp = x [L847] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L847] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L848] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L848] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L849] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L849] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L850] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L850] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L851] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L851] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L852] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L852] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L853] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L853] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L854] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L855] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L855] 0 x = x$flush_delayed ? x$mem_tmp : x [L856] 0 x$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=54, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 20502.4ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1190.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8223.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 55 SDtfs, 17 SDslu, 17 SDs, 0 SdLazy, 297 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 352.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 353.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred in iteration=8, InterpolantAutomatonStates: 59, 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: 40.1ms SsaConstructionTime, 489.8ms SatisfiabilityAnalysisTime, 1005.9ms InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 1402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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...