/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe011_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 23:45:32,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 23:45:32,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 23:45:33,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 23:45:33,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 23:45:33,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 23:45:33,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 23:45:33,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 23:45:33,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 23:45:33,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 23:45:33,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 23:45:33,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 23:45:33,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 23:45:33,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 23:45:33,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 23:45:33,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 23:45:33,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 23:45:33,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 23:45:33,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 23:45:33,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 23:45:33,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 23:45:33,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 23:45:33,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 23:45:33,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 23:45:33,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 23:45:33,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 23:45:33,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 23:45:33,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 23:45:33,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 23:45:33,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 23:45:33,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 23:45:33,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 23:45:33,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 23:45:33,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 23:45:33,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 23:45:33,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 23:45:33,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 23:45:33,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 23:45:33,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 23:45:33,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 23:45:33,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 23:45:33,107 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 23:45:33,159 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 23:45:33,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 23:45:33,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 23:45:33,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 23:45:33,164 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 23:45:33,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 23:45:33,164 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 23:45:33,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 23:45:33,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 23:45:33,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 23:45:33,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 23:45:33,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 23:45:33,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 23:45:33,167 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 23:45:33,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 23:45:33,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 23:45:33,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 23:45:33,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 23:45:33,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 23:45:33,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 23:45:33,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 23:45:33,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:45:33,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 23:45:33,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 23:45:33,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 23:45:33,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 23:45:33,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 23:45:33,170 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 23:45:33,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 23:45:33,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 23:45:33,171 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 23:45:33,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 23:45:33,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 23:45:33,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 23:45:33,580 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 23:45:33,580 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 23:45:33,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_power.opt.i [2021-04-28 23:45:33,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/842317e3d/e12e288db15048ec9a6314302b6423ac/FLAG5e7905898 [2021-04-28 23:45:34,296 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 23:45:34,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_power.opt.i [2021-04-28 23:45:34,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/842317e3d/e12e288db15048ec9a6314302b6423ac/FLAG5e7905898 [2021-04-28 23:45:34,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/842317e3d/e12e288db15048ec9a6314302b6423ac [2021-04-28 23:45:34,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 23:45:34,613 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 23:45:34,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 23:45:34,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 23:45:34,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 23:45:34,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:45:34" (1/1) ... [2021-04-28 23:45:34,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@efd4edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:34, skipping insertion in model container [2021-04-28 23:45:34,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:45:34" (1/1) ... [2021-04-28 23:45:34,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 23:45:34,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 23:45:34,841 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/safe011_power.opt.i[951,964] [2021-04-28 23:45:35,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:45:35,212 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 23:45:35,230 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/safe011_power.opt.i[951,964] [2021-04-28 23:45:35,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:45:35,408 INFO L208 MainTranslator]: Completed translation [2021-04-28 23:45:35,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:35 WrapperNode [2021-04-28 23:45:35,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 23:45:35,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 23:45:35,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 23:45:35,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 23:45:35,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:35" (1/1) ... [2021-04-28 23:45:35,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:35" (1/1) ... [2021-04-28 23:45:35,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 23:45:35,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 23:45:35,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 23:45:35,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 23:45:35,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:35" (1/1) ... [2021-04-28 23:45:35,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:35" (1/1) ... [2021-04-28 23:45:35,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:35" (1/1) ... [2021-04-28 23:45:35,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:35" (1/1) ... [2021-04-28 23:45:35,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:35" (1/1) ... [2021-04-28 23:45:35,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:35" (1/1) ... [2021-04-28 23:45:35,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:35" (1/1) ... [2021-04-28 23:45:35,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 23:45:35,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 23:45:35,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 23:45:35,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 23:45:35,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:45:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 23:45:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 23:45:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 23:45:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 23:45:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 23:45:35,636 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 23:45:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 23:45:35,636 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 23:45:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 23:45:35,636 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 23:45:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 23:45:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 23:45:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 23:45:35,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 23:45:35,639 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 23:45:37,897 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 23:45:37,897 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 23:45:37,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:45:37 BoogieIcfgContainer [2021-04-28 23:45:37,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 23:45:37,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 23:45:37,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 23:45:37,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 23:45:37,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 11:45:34" (1/3) ... [2021-04-28 23:45:37,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c8c4bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:45:37, skipping insertion in model container [2021-04-28 23:45:37,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:35" (2/3) ... [2021-04-28 23:45:37,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c8c4bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:45:37, skipping insertion in model container [2021-04-28 23:45:37,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:45:37" (3/3) ... [2021-04-28 23:45:37,911 INFO L111 eAbstractionObserver]: Analyzing ICFG safe011_power.opt.i [2021-04-28 23:45:37,919 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 23:45:37,924 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 23:45:37,925 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 23:45:37,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,962 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,962 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,963 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,963 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,967 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,968 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,968 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,968 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,969 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,969 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,970 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,970 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,975 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,975 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,975 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,975 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,975 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,975 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,977 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,977 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,977 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,978 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,979 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,979 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,979 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,979 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,982 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,982 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,982 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,986 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,987 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,987 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,987 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,987 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,987 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,988 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,988 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,988 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,988 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,991 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,991 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:37,993 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 23:45:38,015 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 23:45:38,039 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 23:45:38,040 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 23:45:38,040 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 23:45:38,040 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 23:45:38,040 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 23:45:38,040 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 23:45:38,040 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 23:45:38,041 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 23:45:38,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2021-04-28 23:45:38,098 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-04-28 23:45:38,099 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:45:38,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-28 23:45:38,103 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2021-04-28 23:45:38,109 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2021-04-28 23:45:38,111 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:45:38,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 197 flow [2021-04-28 23:45:38,131 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 94 transitions, 197 flow [2021-04-28 23:45:38,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 197 flow [2021-04-28 23:45:38,160 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-04-28 23:45:38,161 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:45:38,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-28 23:45:38,165 INFO L146 LiptonReduction]: Number of co-enabled transitions 1686 [2021-04-28 23:45:39,075 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:45:42,092 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 23:45:42,566 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 23:45:44,803 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 310 DAG size of output: 265 [2021-04-28 23:45:45,878 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 262 [2021-04-28 23:45:46,307 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 23:45:46,940 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 23:45:47,157 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 23:45:49,568 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 23:45:50,584 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2021-04-28 23:45:52,950 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 23:45:53,988 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 23:45:55,645 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-28 23:45:56,220 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-04-28 23:45:58,660 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:45:59,760 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:46:00,999 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 23:46:01,539 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:46:03,990 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 23:46:05,101 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:46:07,999 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 23:46:08,574 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:46:11,283 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 23:46:12,474 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:46:13,812 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 23:46:14,416 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:46:17,260 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 23:46:18,502 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 23:46:19,980 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 23:46:20,676 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:46:23,705 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 313 DAG size of output: 268 [2021-04-28 23:46:25,068 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:46:27,243 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-28 23:46:27,906 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-04-28 23:46:31,001 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:46:32,408 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:46:36,504 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 23:46:37,198 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:46:40,610 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 23:46:42,103 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:46:43,868 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 23:46:44,661 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:46:48,158 WARN L205 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 313 DAG size of output: 268 [2021-04-28 23:46:49,702 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:46:51,454 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 23:46:52,270 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 23:46:56,102 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:46:57,779 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:46:58,749 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:46:59,170 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:46:59,306 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:46:59,445 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:46:59,578 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:46:59,688 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:46:59,795 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:46:59,905 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:47:00,017 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:47:00,490 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:00,609 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:00,726 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:00,838 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:00,944 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:47:01,049 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:47:01,151 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:47:01,252 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:47:01,566 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:01,794 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:47:01,928 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:47:02,050 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:47:02,173 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:47:07,386 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:07,521 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:07,656 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:07,791 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:08,282 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:08,397 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:08,545 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:08,699 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:08,874 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:47:09,036 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:47:09,240 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:47:09,414 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:47:13,479 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:13,588 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:13,825 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:47:14,051 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:47:14,307 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:47:14,531 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:47:14,698 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:14,872 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:15,017 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:15,169 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:15,351 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:47:15,537 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:47:15,719 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:47:15,902 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:47:16,116 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:47:16,331 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:47:16,532 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:47:16,734 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:47:16,912 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:17,086 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:17,249 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:17,411 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:17,623 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:47:17,844 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:47:18,045 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:47:18,253 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:47:18,399 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:18,542 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:18,694 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:18,846 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:19,065 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:47:19,279 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:47:19,506 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:47:19,735 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:47:19,899 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:20,067 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:20,238 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:20,407 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:20,600 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:47:20,794 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:47:20,994 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:47:21,196 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:47:21,403 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:47:21,606 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:47:21,812 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:47:22,016 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:47:22,188 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:47:22,356 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:47:22,523 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:47:22,689 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:47:22,929 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:47:23,158 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:47:23,390 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:47:23,621 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:47:23,796 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:23,977 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:24,150 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:24,329 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:24,532 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:47:24,690 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:47:24,850 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:47:25,005 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:47:25,157 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:47:25,305 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:47:25,457 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:47:25,609 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:47:26,742 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:47:26,940 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:47:27,143 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:47:27,350 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:47:27,604 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:27,851 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:28,126 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:28,400 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:28,684 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:28,934 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:29,194 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:29,452 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:29,694 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:47:29,949 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:47:30,195 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:47:30,437 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:47:30,588 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:30,735 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:30,889 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:31,047 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:31,295 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:31,542 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:31,795 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:32,041 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:32,275 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:47:32,512 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:47:32,755 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:47:32,998 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:47:33,265 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:33,527 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:33,783 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:34,044 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:34,217 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:34,390 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:34,579 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:34,755 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:35,022 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:35,285 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:35,521 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:35,766 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:36,061 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:36,325 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:36,593 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:36,857 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:37,137 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:37,416 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:37,683 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:37,970 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:38,145 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:38,315 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:38,493 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:38,665 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:39,452 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 23:47:39,807 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 23:47:40,537 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 23:47:40,884 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 23:47:41,045 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:41,209 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:41,360 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:41,509 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:42,224 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-28 23:47:42,545 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 23:47:43,258 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-28 23:47:43,585 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 23:47:43,645 INFO L158 LiptonReduction]: Checked pairs total: 18669 [2021-04-28 23:47:43,645 INFO L160 LiptonReduction]: Total number of compositions: 253 [2021-04-28 23:47:43,650 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 125541 [2021-04-28 23:47:43,672 INFO L129 PetriNetUnfolder]: 0/65 cut-off events. [2021-04-28 23:47:43,673 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:47:43,673 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:43,674 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 23:47:43,674 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:43,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:43,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1173769014, now seen corresponding path program 1 times [2021-04-28 23:47:43,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:43,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030874] [2021-04-28 23:47:43,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:43,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:43,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:47:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:43,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030874] [2021-04-28 23:47:43,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:43,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:47:43,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341546606] [2021-04-28 23:47:43,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:47:43,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:43,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:47:43,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:47:43,995 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 350 [2021-04-28 23:47:44,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 128 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 241.66666666666666) internal successors, (725), 3 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:44,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:44,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 350 [2021-04-28 23:47:44,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:44,572 INFO L129 PetriNetUnfolder]: 329/770 cut-off events. [2021-04-28 23:47:44,572 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:47:44,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1328 conditions, 770 events. 329/770 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 5525 event pairs, 195 based on Foata normal form. 11/409 useless extension candidates. Maximal degree in co-relation 1248. Up to 401 conditions per place. [2021-04-28 23:47:44,579 INFO L132 encePairwiseOnDemand]: 329/350 looper letters, 9 selfloop transitions, 2 changer transitions 96/141 dead transitions. [2021-04-28 23:47:44,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 141 transitions, 397 flow [2021-04-28 23:47:44,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:47:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:47:44,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 779 transitions. [2021-04-28 23:47:44,602 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.741904761904762 [2021-04-28 23:47:44,602 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 779 transitions. [2021-04-28 23:47:44,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 779 transitions. [2021-04-28 23:47:44,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:44,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 779 transitions. [2021-04-28 23:47:44,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 259.6666666666667) internal successors, (779), 3 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:44,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:44,626 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:44,628 INFO L185 Difference]: Start difference. First operand has 136 places, 128 transitions, 265 flow. Second operand 3 states and 779 transitions. [2021-04-28 23:47:44,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 141 transitions, 397 flow [2021-04-28 23:47:44,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 141 transitions, 394 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 23:47:44,636 INFO L241 Difference]: Finished difference. Result has 132 places, 41 transitions, 92 flow [2021-04-28 23:47:44,639 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=132, PETRI_TRANSITIONS=41} [2021-04-28 23:47:44,639 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -4 predicate places. [2021-04-28 23:47:44,640 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:44,640 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 41 transitions, 92 flow [2021-04-28 23:47:44,640 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 41 transitions, 92 flow [2021-04-28 23:47:44,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 41 transitions, 92 flow [2021-04-28 23:47:44,647 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-28 23:47:44,647 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:47:44,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 154 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 23:47:44,649 INFO L146 LiptonReduction]: Number of co-enabled transitions 938 [2021-04-28 23:47:44,915 INFO L158 LiptonReduction]: Checked pairs total: 904 [2021-04-28 23:47:44,915 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:47:44,915 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 275 [2021-04-28 23:47:44,921 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 41 transitions, 92 flow [2021-04-28 23:47:44,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 241.66666666666666) internal successors, (725), 3 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:44,922 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:44,922 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:44,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 23:47:44,925 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:44,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:44,926 INFO L82 PathProgramCache]: Analyzing trace with hash -2119352886, now seen corresponding path program 1 times [2021-04-28 23:47:44,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:44,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140128014] [2021-04-28 23:47:44,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:45,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:45,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:47:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:45,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140128014] [2021-04-28 23:47:45,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:45,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:47:45,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275389957] [2021-04-28 23:47:45,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:47:45,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:45,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:47:45,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:47:45,155 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 350 [2021-04-28 23:47:45,156 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:45,156 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:45,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 350 [2021-04-28 23:47:45,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:45,186 INFO L129 PetriNetUnfolder]: 3/55 cut-off events. [2021-04-28 23:47:45,186 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:47:45,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 55 events. 3/55 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 203 event pairs, 1 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 67. Up to 10 conditions per place. [2021-04-28 23:47:45,187 INFO L132 encePairwiseOnDemand]: 346/350 looper letters, 3 selfloop transitions, 3 changer transitions 2/43 dead transitions. [2021-04-28 23:47:45,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 43 transitions, 108 flow [2021-04-28 23:47:45,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:47:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:47:45,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 805 transitions. [2021-04-28 23:47:45,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7666666666666667 [2021-04-28 23:47:45,193 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 805 transitions. [2021-04-28 23:47:45,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 805 transitions. [2021-04-28 23:47:45,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:45,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 805 transitions. [2021-04-28 23:47:45,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 268.3333333333333) internal successors, (805), 3 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:45,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:45,201 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:45,201 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 92 flow. Second operand 3 states and 805 transitions. [2021-04-28 23:47:45,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 43 transitions, 108 flow [2021-04-28 23:47:45,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 43 transitions, 104 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:47:45,204 INFO L241 Difference]: Finished difference. Result has 51 places, 41 transitions, 103 flow [2021-04-28 23:47:45,204 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=51, PETRI_TRANSITIONS=41} [2021-04-28 23:47:45,205 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -85 predicate places. [2021-04-28 23:47:45,205 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:45,205 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 41 transitions, 103 flow [2021-04-28 23:47:45,206 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 41 transitions, 103 flow [2021-04-28 23:47:45,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 41 transitions, 103 flow [2021-04-28 23:47:45,214 INFO L129 PetriNetUnfolder]: 3/50 cut-off events. [2021-04-28 23:47:45,215 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:47:45,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 50 events. 3/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 190 event pairs, 1 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 63. Up to 10 conditions per place. [2021-04-28 23:47:45,216 INFO L146 LiptonReduction]: Number of co-enabled transitions 948 [2021-04-28 23:47:45,253 INFO L158 LiptonReduction]: Checked pairs total: 817 [2021-04-28 23:47:45,253 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:47:45,254 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-04-28 23:47:45,255 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 41 transitions, 103 flow [2021-04-28 23:47:45,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:45,256 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:45,256 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:45,256 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 23:47:45,256 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:45,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:45,257 INFO L82 PathProgramCache]: Analyzing trace with hash -507233160, now seen corresponding path program 1 times [2021-04-28 23:47:45,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:45,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911936360] [2021-04-28 23:47:45,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:45,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:45,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:47:45,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:45,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:47:45,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:45,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911936360] [2021-04-28 23:47:45,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:45,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:47:45,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213711419] [2021-04-28 23:47:45,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:47:45,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:45,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:47:45,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:47:45,473 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 350 [2021-04-28 23:47:45,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 103 flow. Second operand has 4 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:45,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:45,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 350 [2021-04-28 23:47:45,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:45,620 INFO L129 PetriNetUnfolder]: 98/314 cut-off events. [2021-04-28 23:47:45,621 INFO L130 PetriNetUnfolder]: For 31/39 co-relation queries the response was YES. [2021-04-28 23:47:45,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 314 events. 98/314 cut-off events. For 31/39 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1937 event pairs, 47 based on Foata normal form. 5/208 useless extension candidates. Maximal degree in co-relation 514. Up to 151 conditions per place. [2021-04-28 23:47:45,624 INFO L132 encePairwiseOnDemand]: 344/350 looper letters, 9 selfloop transitions, 7 changer transitions 0/49 dead transitions. [2021-04-28 23:47:45,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 49 transitions, 151 flow [2021-04-28 23:47:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:47:45,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:47:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 762 transitions. [2021-04-28 23:47:45,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5442857142857143 [2021-04-28 23:47:45,631 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 762 transitions. [2021-04-28 23:47:45,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 762 transitions. [2021-04-28 23:47:45,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:45,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 762 transitions. [2021-04-28 23:47:45,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 190.5) internal successors, (762), 4 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:45,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 350.0) internal successors, (1750), 5 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:45,639 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 350.0) internal successors, (1750), 5 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:45,640 INFO L185 Difference]: Start difference. First operand has 49 places, 41 transitions, 103 flow. Second operand 4 states and 762 transitions. [2021-04-28 23:47:45,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 49 transitions, 151 flow [2021-04-28 23:47:45,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 49 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 23:47:45,642 INFO L241 Difference]: Finished difference. Result has 53 places, 47 transitions, 146 flow [2021-04-28 23:47:45,642 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=146, PETRI_PLACES=53, PETRI_TRANSITIONS=47} [2021-04-28 23:47:45,643 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -83 predicate places. [2021-04-28 23:47:45,643 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:45,643 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 47 transitions, 146 flow [2021-04-28 23:47:45,643 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 47 transitions, 146 flow [2021-04-28 23:47:45,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 47 transitions, 146 flow [2021-04-28 23:47:45,666 INFO L129 PetriNetUnfolder]: 20/138 cut-off events. [2021-04-28 23:47:45,666 INFO L130 PetriNetUnfolder]: For 48/58 co-relation queries the response was YES. [2021-04-28 23:47:45,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 138 events. 20/138 cut-off events. For 48/58 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 754 event pairs, 4 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 229. Up to 24 conditions per place. [2021-04-28 23:47:45,670 INFO L146 LiptonReduction]: Number of co-enabled transitions 1138 [2021-04-28 23:47:46,122 INFO L158 LiptonReduction]: Checked pairs total: 391 [2021-04-28 23:47:46,123 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:47:46,123 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 480 [2021-04-28 23:47:46,124 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 47 transitions, 146 flow [2021-04-28 23:47:46,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:46,125 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:46,125 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:46,125 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 23:47:46,125 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:46,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:46,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1455637386, now seen corresponding path program 1 times [2021-04-28 23:47:46,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:46,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527393015] [2021-04-28 23:47:46,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:46,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:46,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:47:46,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:46,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:47:46,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:46,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:47:46,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:46,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527393015] [2021-04-28 23:47:46,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:46,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:47:46,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268481510] [2021-04-28 23:47:46,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:47:46,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:46,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:47:46,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:47:46,282 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 350 [2021-04-28 23:47:46,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 47 transitions, 146 flow. Second operand has 5 states, 5 states have (on average 186.8) internal successors, (934), 5 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:46,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:46,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 350 [2021-04-28 23:47:46,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:46,483 INFO L129 PetriNetUnfolder]: 98/301 cut-off events. [2021-04-28 23:47:46,484 INFO L130 PetriNetUnfolder]: For 199/245 co-relation queries the response was YES. [2021-04-28 23:47:46,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 666 conditions, 301 events. 98/301 cut-off events. For 199/245 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1779 event pairs, 38 based on Foata normal form. 12/216 useless extension candidates. Maximal degree in co-relation 653. Up to 121 conditions per place. [2021-04-28 23:47:46,488 INFO L132 encePairwiseOnDemand]: 344/350 looper letters, 15 selfloop transitions, 8 changer transitions 0/56 dead transitions. [2021-04-28 23:47:46,488 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 56 transitions, 224 flow [2021-04-28 23:47:46,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:47:46,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:47:46,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 762 transitions. [2021-04-28 23:47:46,493 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5442857142857143 [2021-04-28 23:47:46,494 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 762 transitions. [2021-04-28 23:47:46,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 762 transitions. [2021-04-28 23:47:46,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:46,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 762 transitions. [2021-04-28 23:47:46,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 190.5) internal successors, (762), 4 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:46,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 350.0) internal successors, (1750), 5 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:46,502 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 350.0) internal successors, (1750), 5 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:46,502 INFO L185 Difference]: Start difference. First operand has 53 places, 47 transitions, 146 flow. Second operand 4 states and 762 transitions. [2021-04-28 23:47:46,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 56 transitions, 224 flow [2021-04-28 23:47:46,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 56 transitions, 224 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 23:47:46,506 INFO L241 Difference]: Finished difference. Result has 58 places, 51 transitions, 196 flow [2021-04-28 23:47:46,506 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=196, PETRI_PLACES=58, PETRI_TRANSITIONS=51} [2021-04-28 23:47:46,506 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -78 predicate places. [2021-04-28 23:47:46,506 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:46,506 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 51 transitions, 196 flow [2021-04-28 23:47:46,507 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 51 transitions, 196 flow [2021-04-28 23:47:46,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 51 transitions, 196 flow [2021-04-28 23:47:46,575 INFO L129 PetriNetUnfolder]: 48/185 cut-off events. [2021-04-28 23:47:46,575 INFO L130 PetriNetUnfolder]: For 206/222 co-relation queries the response was YES. [2021-04-28 23:47:46,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 185 events. 48/185 cut-off events. For 206/222 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1048 event pairs, 16 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 428. Up to 52 conditions per place. [2021-04-28 23:47:46,580 INFO L146 LiptonReduction]: Number of co-enabled transitions 1260 [2021-04-28 23:47:46,922 INFO L158 LiptonReduction]: Checked pairs total: 227 [2021-04-28 23:47:46,922 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:47:46,922 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 416 [2021-04-28 23:47:46,923 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 51 transitions, 196 flow [2021-04-28 23:47:46,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 186.8) internal successors, (934), 5 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:46,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:46,925 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:46,925 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 23:47:46,925 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:46,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:46,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1972645454, now seen corresponding path program 1 times [2021-04-28 23:47:46,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:46,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151273815] [2021-04-28 23:47:46,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:47,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:47,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:47:47,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:47,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151273815] [2021-04-28 23:47:47,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:47,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:47:47,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185917137] [2021-04-28 23:47:47,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:47:47,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:47,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:47:47,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:47:47,043 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 350 [2021-04-28 23:47:47,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 51 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 272.6666666666667) internal successors, (818), 3 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:47,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:47,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 350 [2021-04-28 23:47:47,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:47,095 INFO L129 PetriNetUnfolder]: 47/188 cut-off events. [2021-04-28 23:47:47,095 INFO L130 PetriNetUnfolder]: For 463/530 co-relation queries the response was YES. [2021-04-28 23:47:47,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 188 events. 47/188 cut-off events. For 463/530 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1047 event pairs, 14 based on Foata normal form. 3/123 useless extension candidates. Maximal degree in co-relation 457. Up to 55 conditions per place. [2021-04-28 23:47:47,098 INFO L132 encePairwiseOnDemand]: 347/350 looper letters, 1 selfloop transitions, 2 changer transitions 0/51 dead transitions. [2021-04-28 23:47:47,098 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 51 transitions, 202 flow [2021-04-28 23:47:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:47:47,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:47:47,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 820 transitions. [2021-04-28 23:47:47,103 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.780952380952381 [2021-04-28 23:47:47,103 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 820 transitions. [2021-04-28 23:47:47,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 820 transitions. [2021-04-28 23:47:47,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:47,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 820 transitions. [2021-04-28 23:47:47,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 273.3333333333333) internal successors, (820), 3 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:47,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:47,112 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:47,112 INFO L185 Difference]: Start difference. First operand has 58 places, 51 transitions, 196 flow. Second operand 3 states and 820 transitions. [2021-04-28 23:47:47,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 51 transitions, 202 flow [2021-04-28 23:47:47,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 51 transitions, 194 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 23:47:47,117 INFO L241 Difference]: Finished difference. Result has 60 places, 51 transitions, 196 flow [2021-04-28 23:47:47,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=60, PETRI_TRANSITIONS=51} [2021-04-28 23:47:47,118 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -76 predicate places. [2021-04-28 23:47:47,118 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:47,118 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 51 transitions, 196 flow [2021-04-28 23:47:47,124 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 51 transitions, 196 flow [2021-04-28 23:47:47,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 51 transitions, 196 flow [2021-04-28 23:47:47,161 INFO L129 PetriNetUnfolder]: 44/189 cut-off events. [2021-04-28 23:47:47,161 INFO L130 PetriNetUnfolder]: For 303/319 co-relation queries the response was YES. [2021-04-28 23:47:47,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 449 conditions, 189 events. 44/189 cut-off events. For 303/319 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1096 event pairs, 15 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 432. Up to 50 conditions per place. [2021-04-28 23:47:47,167 INFO L146 LiptonReduction]: Number of co-enabled transitions 1256 [2021-04-28 23:47:47,336 INFO L158 LiptonReduction]: Checked pairs total: 163 [2021-04-28 23:47:47,337 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:47:47,337 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 219 [2021-04-28 23:47:47,339 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 51 transitions, 196 flow [2021-04-28 23:47:47,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 272.6666666666667) internal successors, (818), 3 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:47,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:47,340 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:47,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 23:47:47,341 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:47,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:47,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1501819152, now seen corresponding path program 1 times [2021-04-28 23:47:47,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:47,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456681623] [2021-04-28 23:47:47,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:47,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:47,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:47:47,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:47,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:47:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:47,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456681623] [2021-04-28 23:47:47,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:47,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:47:47,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793323180] [2021-04-28 23:47:47,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:47:47,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:47,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:47:47,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:47:47,468 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 350 [2021-04-28 23:47:47,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 51 transitions, 196 flow. Second operand has 4 states, 4 states have (on average 228.75) internal successors, (915), 4 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:47,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:47,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 350 [2021-04-28 23:47:47,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:47,548 INFO L129 PetriNetUnfolder]: 42/223 cut-off events. [2021-04-28 23:47:47,548 INFO L130 PetriNetUnfolder]: For 869/909 co-relation queries the response was YES. [2021-04-28 23:47:47,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 223 events. 42/223 cut-off events. For 869/909 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1435 event pairs, 12 based on Foata normal form. 24/166 useless extension candidates. Maximal degree in co-relation 486. Up to 49 conditions per place. [2021-04-28 23:47:47,551 INFO L132 encePairwiseOnDemand]: 346/350 looper letters, 2 selfloop transitions, 3 changer transitions 2/52 dead transitions. [2021-04-28 23:47:47,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 52 transitions, 211 flow [2021-04-28 23:47:47,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:47:47,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:47:47,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 919 transitions. [2021-04-28 23:47:47,558 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6564285714285715 [2021-04-28 23:47:47,558 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 919 transitions. [2021-04-28 23:47:47,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 919 transitions. [2021-04-28 23:47:47,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:47,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 919 transitions. [2021-04-28 23:47:47,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 229.75) internal successors, (919), 4 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:47,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 350.0) internal successors, (1750), 5 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:47,565 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 350.0) internal successors, (1750), 5 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:47,565 INFO L185 Difference]: Start difference. First operand has 60 places, 51 transitions, 196 flow. Second operand 4 states and 919 transitions. [2021-04-28 23:47:47,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 52 transitions, 211 flow [2021-04-28 23:47:47,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 52 transitions, 205 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:47:47,569 INFO L241 Difference]: Finished difference. Result has 63 places, 50 transitions, 197 flow [2021-04-28 23:47:47,569 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=197, PETRI_PLACES=63, PETRI_TRANSITIONS=50} [2021-04-28 23:47:47,569 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -73 predicate places. [2021-04-28 23:47:47,569 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:47,570 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 50 transitions, 197 flow [2021-04-28 23:47:47,570 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 50 transitions, 197 flow [2021-04-28 23:47:47,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 50 transitions, 197 flow [2021-04-28 23:47:47,604 INFO L129 PetriNetUnfolder]: 36/200 cut-off events. [2021-04-28 23:47:47,604 INFO L130 PetriNetUnfolder]: For 382/390 co-relation queries the response was YES. [2021-04-28 23:47:47,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 200 events. 36/200 cut-off events. For 382/390 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1295 event pairs, 10 based on Foata normal form. 5/132 useless extension candidates. Maximal degree in co-relation 464. Up to 43 conditions per place. [2021-04-28 23:47:47,609 INFO L146 LiptonReduction]: Number of co-enabled transitions 1216 [2021-04-28 23:47:47,612 INFO L158 LiptonReduction]: Checked pairs total: 96 [2021-04-28 23:47:47,613 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:47:47,613 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44 [2021-04-28 23:47:47,614 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 50 transitions, 197 flow [2021-04-28 23:47:47,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 228.75) internal successors, (915), 4 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:47,615 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:47,615 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:47,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 23:47:47,615 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:47,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:47,615 INFO L82 PathProgramCache]: Analyzing trace with hash 986896929, now seen corresponding path program 1 times [2021-04-28 23:47:47,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:47,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330519566] [2021-04-28 23:47:47,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:47,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:47,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:47:47,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:47,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:47:47,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:47,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:47:47,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:47,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 23:47:47,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:47,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330519566] [2021-04-28 23:47:47,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:47,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:47:47,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697894143] [2021-04-28 23:47:47,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:47:47,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:47,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:47:47,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:47:47,782 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 350 [2021-04-28 23:47:47,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 50 transitions, 197 flow. Second operand has 6 states, 6 states have (on average 175.83333333333334) internal successors, (1055), 6 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:47,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:47,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 350 [2021-04-28 23:47:47,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:48,096 INFO L129 PetriNetUnfolder]: 127/420 cut-off events. [2021-04-28 23:47:48,096 INFO L130 PetriNetUnfolder]: For 849/946 co-relation queries the response was YES. [2021-04-28 23:47:48,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1073 conditions, 420 events. 127/420 cut-off events. For 849/946 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 2908 event pairs, 12 based on Foata normal form. 38/322 useless extension candidates. Maximal degree in co-relation 1052. Up to 169 conditions per place. [2021-04-28 23:47:48,101 INFO L132 encePairwiseOnDemand]: 342/350 looper letters, 10 selfloop transitions, 18 changer transitions 2/64 dead transitions. [2021-04-28 23:47:48,102 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 64 transitions, 315 flow [2021-04-28 23:47:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 23:47:48,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 23:47:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1076 transitions. [2021-04-28 23:47:48,109 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5123809523809524 [2021-04-28 23:47:48,109 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1076 transitions. [2021-04-28 23:47:48,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1076 transitions. [2021-04-28 23:47:48,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:48,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1076 transitions. [2021-04-28 23:47:48,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 179.33333333333334) internal successors, (1076), 6 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:48,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 350.0) internal successors, (2450), 7 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:48,118 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 350.0) internal successors, (2450), 7 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:48,118 INFO L185 Difference]: Start difference. First operand has 63 places, 50 transitions, 197 flow. Second operand 6 states and 1076 transitions. [2021-04-28 23:47:48,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 64 transitions, 315 flow [2021-04-28 23:47:48,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 64 transitions, 309 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 23:47:48,124 INFO L241 Difference]: Finished difference. Result has 69 places, 60 transitions, 307 flow [2021-04-28 23:47:48,124 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=307, PETRI_PLACES=69, PETRI_TRANSITIONS=60} [2021-04-28 23:47:48,124 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -67 predicate places. [2021-04-28 23:47:48,124 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:48,124 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 60 transitions, 307 flow [2021-04-28 23:47:48,125 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 60 transitions, 307 flow [2021-04-28 23:47:48,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 60 transitions, 307 flow [2021-04-28 23:47:48,188 INFO L129 PetriNetUnfolder]: 97/372 cut-off events. [2021-04-28 23:47:48,188 INFO L130 PetriNetUnfolder]: For 818/867 co-relation queries the response was YES. [2021-04-28 23:47:48,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1037 conditions, 372 events. 97/372 cut-off events. For 818/867 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2650 event pairs, 21 based on Foata normal form. 7/253 useless extension candidates. Maximal degree in co-relation 1015. Up to 99 conditions per place. [2021-04-28 23:47:48,198 INFO L146 LiptonReduction]: Number of co-enabled transitions 1402 [2021-04-28 23:47:48,204 INFO L158 LiptonReduction]: Checked pairs total: 111 [2021-04-28 23:47:48,204 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:47:48,204 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-04-28 23:47:48,205 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 60 transitions, 307 flow [2021-04-28 23:47:48,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 175.83333333333334) internal successors, (1055), 6 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:48,206 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:48,206 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:48,206 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 23:47:48,206 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:48,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:48,207 INFO L82 PathProgramCache]: Analyzing trace with hash 283393746, now seen corresponding path program 1 times [2021-04-28 23:47:48,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:48,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243861906] [2021-04-28 23:47:48,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:48,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:48,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:47:48,337 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:47:48,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:47:48,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:48,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:47:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:48,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243861906] [2021-04-28 23:47:48,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:48,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:47:48,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866061014] [2021-04-28 23:47:48,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:47:48,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:48,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:47:48,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:47:48,368 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 350 [2021-04-28 23:47:48,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 60 transitions, 307 flow. Second operand has 4 states, 4 states have (on average 260.75) internal successors, (1043), 4 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:48,370 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:48,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 350 [2021-04-28 23:47:48,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:50,148 INFO L129 PetriNetUnfolder]: 6128/10766 cut-off events. [2021-04-28 23:47:50,148 INFO L130 PetriNetUnfolder]: For 4815/5031 co-relation queries the response was YES. [2021-04-28 23:47:50,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23337 conditions, 10766 events. 6128/10766 cut-off events. For 4815/5031 co-relation queries the response was YES. Maximal size of possible extension queue 2187. Compared 100991 event pairs, 2379 based on Foata normal form. 301/3015 useless extension candidates. Maximal degree in co-relation 23313. Up to 6709 conditions per place. [2021-04-28 23:47:50,260 INFO L132 encePairwiseOnDemand]: 333/350 looper letters, 28 selfloop transitions, 27 changer transitions 0/90 dead transitions. [2021-04-28 23:47:50,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 90 transitions, 454 flow [2021-04-28 23:47:50,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:47:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:47:50,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1354 transitions. [2021-04-28 23:47:50,267 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7737142857142857 [2021-04-28 23:47:50,267 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1354 transitions. [2021-04-28 23:47:50,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1354 transitions. [2021-04-28 23:47:50,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:50,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1354 transitions. [2021-04-28 23:47:50,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 270.8) internal successors, (1354), 5 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:50,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 350.0) internal successors, (2100), 6 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:50,277 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 350.0) internal successors, (2100), 6 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:50,277 INFO L185 Difference]: Start difference. First operand has 69 places, 60 transitions, 307 flow. Second operand 5 states and 1354 transitions. [2021-04-28 23:47:50,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 90 transitions, 454 flow [2021-04-28 23:47:50,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 90 transitions, 434 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-04-28 23:47:50,293 INFO L241 Difference]: Finished difference. Result has 74 places, 80 transitions, 455 flow [2021-04-28 23:47:50,293 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=455, PETRI_PLACES=74, PETRI_TRANSITIONS=80} [2021-04-28 23:47:50,293 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -62 predicate places. [2021-04-28 23:47:50,294 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:50,294 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 80 transitions, 455 flow [2021-04-28 23:47:50,294 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 80 transitions, 455 flow [2021-04-28 23:47:50,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 80 transitions, 455 flow [2021-04-28 23:47:51,510 INFO L129 PetriNetUnfolder]: 5292/9577 cut-off events. [2021-04-28 23:47:51,510 INFO L130 PetriNetUnfolder]: For 8210/56811 co-relation queries the response was YES. [2021-04-28 23:47:51,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28440 conditions, 9577 events. 5292/9577 cut-off events. For 8210/56811 co-relation queries the response was YES. Maximal size of possible extension queue 2665. Compared 95556 event pairs, 2315 based on Foata normal form. 57/2547 useless extension candidates. Maximal degree in co-relation 28414. Up to 8258 conditions per place. [2021-04-28 23:47:51,706 INFO L146 LiptonReduction]: Number of co-enabled transitions 1730 [2021-04-28 23:47:51,726 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 23:47:51,726 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:47:51,726 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1432 [2021-04-28 23:47:51,727 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 80 transitions, 455 flow [2021-04-28 23:47:51,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 260.75) internal successors, (1043), 4 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:51,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:51,730 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:51,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 23:47:51,730 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:51,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:51,731 INFO L82 PathProgramCache]: Analyzing trace with hash 72645420, now seen corresponding path program 1 times [2021-04-28 23:47:51,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:51,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226339199] [2021-04-28 23:47:51,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:51,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:51,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:47:51,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:51,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:47:51,879 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:47:51,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:47:51,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:51,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:47:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:51,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226339199] [2021-04-28 23:47:51,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:51,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:47:51,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942632715] [2021-04-28 23:47:51,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:47:51,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:51,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:47:51,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:47:51,908 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 350 [2021-04-28 23:47:51,910 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 80 transitions, 455 flow. Second operand has 5 states, 5 states have (on average 260.8) internal successors, (1304), 5 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:51,910 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:51,910 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 350 [2021-04-28 23:47:51,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:53,764 INFO L129 PetriNetUnfolder]: 5405/10892 cut-off events. [2021-04-28 23:47:53,764 INFO L130 PetriNetUnfolder]: For 8752/40903 co-relation queries the response was YES. [2021-04-28 23:47:53,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41650 conditions, 10892 events. 5405/10892 cut-off events. For 8752/40903 co-relation queries the response was YES. Maximal size of possible extension queue 2403. Compared 116616 event pairs, 450 based on Foata normal form. 425/3676 useless extension candidates. Maximal degree in co-relation 41622. Up to 9425 conditions per place. [2021-04-28 23:47:53,872 INFO L132 encePairwiseOnDemand]: 333/350 looper letters, 20 selfloop transitions, 52 changer transitions 9/116 dead transitions. [2021-04-28 23:47:53,872 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 116 transitions, 812 flow [2021-04-28 23:47:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 23:47:53,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 23:47:53,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1898 transitions. [2021-04-28 23:47:53,881 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7746938775510204 [2021-04-28 23:47:53,881 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1898 transitions. [2021-04-28 23:47:53,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1898 transitions. [2021-04-28 23:47:53,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:53,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1898 transitions. [2021-04-28 23:47:53,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 271.14285714285717) internal successors, (1898), 7 states have internal predecessors, (1898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:53,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 350.0) internal successors, (2800), 8 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:53,893 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 350.0) internal successors, (2800), 8 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:53,893 INFO L185 Difference]: Start difference. First operand has 74 places, 80 transitions, 455 flow. Second operand 7 states and 1898 transitions. [2021-04-28 23:47:53,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 116 transitions, 812 flow [2021-04-28 23:47:54,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 116 transitions, 812 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 23:47:54,049 INFO L241 Difference]: Finished difference. Result has 83 places, 105 transitions, 792 flow [2021-04-28 23:47:54,050 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=792, PETRI_PLACES=83, PETRI_TRANSITIONS=105} [2021-04-28 23:47:54,050 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -53 predicate places. [2021-04-28 23:47:54,050 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:54,050 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 105 transitions, 792 flow [2021-04-28 23:47:54,050 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 105 transitions, 792 flow [2021-04-28 23:47:54,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 105 transitions, 792 flow [2021-04-28 23:47:54,977 INFO L129 PetriNetUnfolder]: 3335/7672 cut-off events. [2021-04-28 23:47:54,977 INFO L130 PetriNetUnfolder]: For 18594/49119 co-relation queries the response was YES. [2021-04-28 23:47:55,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33416 conditions, 7672 events. 3335/7672 cut-off events. For 18594/49119 co-relation queries the response was YES. Maximal size of possible extension queue 1654. Compared 89628 event pairs, 454 based on Foata normal form. 17/2224 useless extension candidates. Maximal degree in co-relation 33385. Up to 6491 conditions per place. [2021-04-28 23:47:55,135 INFO L146 LiptonReduction]: Number of co-enabled transitions 1980 [2021-04-28 23:47:55,153 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 23:47:55,153 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:47:55,153 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1103 [2021-04-28 23:47:55,154 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 105 transitions, 792 flow [2021-04-28 23:47:55,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 260.8) internal successors, (1304), 5 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:55,155 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:55,155 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:55,155 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 23:47:55,156 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:55,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:55,156 INFO L82 PathProgramCache]: Analyzing trace with hash -297752552, now seen corresponding path program 1 times [2021-04-28 23:47:55,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:55,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675622794] [2021-04-28 23:47:55,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:55,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:55,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:47:55,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:55,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:47:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:55,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675622794] [2021-04-28 23:47:55,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:55,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:47:55,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335798572] [2021-04-28 23:47:55,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:47:55,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:55,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:47:55,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:47:55,245 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 350 [2021-04-28 23:47:55,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 105 transitions, 792 flow. Second operand has 3 states, 3 states have (on average 267.0) internal successors, (801), 3 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:55,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:55,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 350 [2021-04-28 23:47:55,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:57,159 INFO L129 PetriNetUnfolder]: 6253/14043 cut-off events. [2021-04-28 23:47:57,160 INFO L130 PetriNetUnfolder]: For 34880/76442 co-relation queries the response was YES. [2021-04-28 23:47:57,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60883 conditions, 14043 events. 6253/14043 cut-off events. For 34880/76442 co-relation queries the response was YES. Maximal size of possible extension queue 3513. Compared 168815 event pairs, 883 based on Foata normal form. 96/4049 useless extension candidates. Maximal degree in co-relation 60850. Up to 12155 conditions per place. [2021-04-28 23:47:57,244 INFO L132 encePairwiseOnDemand]: 347/350 looper letters, 3 selfloop transitions, 3 changer transitions 3/105 dead transitions. [2021-04-28 23:47:57,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 105 transitions, 804 flow [2021-04-28 23:47:57,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:47:57,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:47:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 804 transitions. [2021-04-28 23:47:57,251 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7657142857142857 [2021-04-28 23:47:57,251 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 804 transitions. [2021-04-28 23:47:57,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 804 transitions. [2021-04-28 23:47:57,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:57,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 804 transitions. [2021-04-28 23:47:57,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 268.0) internal successors, (804), 3 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:57,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:57,257 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:57,257 INFO L185 Difference]: Start difference. First operand has 83 places, 105 transitions, 792 flow. Second operand 3 states and 804 transitions. [2021-04-28 23:47:57,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 105 transitions, 804 flow [2021-04-28 23:47:59,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 105 transitions, 675 flow, removed 42 selfloop flow, removed 3 redundant places. [2021-04-28 23:47:59,896 INFO L241 Difference]: Finished difference. Result has 83 places, 102 transitions, 660 flow [2021-04-28 23:47:59,897 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=663, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=660, PETRI_PLACES=83, PETRI_TRANSITIONS=102} [2021-04-28 23:47:59,897 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -53 predicate places. [2021-04-28 23:47:59,897 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:59,897 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 102 transitions, 660 flow [2021-04-28 23:47:59,898 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 102 transitions, 660 flow [2021-04-28 23:47:59,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 102 transitions, 660 flow [2021-04-28 23:48:01,276 INFO L129 PetriNetUnfolder]: 6259/13953 cut-off events. [2021-04-28 23:48:01,276 INFO L130 PetriNetUnfolder]: For 16567/21564 co-relation queries the response was YES. [2021-04-28 23:48:01,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47717 conditions, 13953 events. 6259/13953 cut-off events. For 16567/21564 co-relation queries the response was YES. Maximal size of possible extension queue 3611. Compared 172187 event pairs, 895 based on Foata normal form. 23/4060 useless extension candidates. Maximal degree in co-relation 47686. Up to 5941 conditions per place. [2021-04-28 23:48:01,437 INFO L146 LiptonReduction]: Number of co-enabled transitions 1798 [2021-04-28 23:48:01,454 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 23:48:01,454 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:01,455 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1558 [2021-04-28 23:48:01,456 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 102 transitions, 660 flow [2021-04-28 23:48:01,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 267.0) internal successors, (801), 3 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:48:01,456 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:01,456 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:01,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 23:48:01,457 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:01,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:01,457 INFO L82 PathProgramCache]: Analyzing trace with hash 394335010, now seen corresponding path program 1 times [2021-04-28 23:48:01,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:01,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307250750] [2021-04-28 23:48:01,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:01,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:01,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:01,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:01,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:01,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:01,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:01,567 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:48:01,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:48:01,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:01,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:48:01,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:48:01,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307250750] [2021-04-28 23:48:01,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:01,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 23:48:01,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645152610] [2021-04-28 23:48:01,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:48:01,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:01,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:48:01,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:48:01,601 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 350 [2021-04-28 23:48:01,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 102 transitions, 660 flow. Second operand has 6 states, 6 states have (on average 260.8333333333333) internal successors, (1565), 6 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:48:01,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:01,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 350 [2021-04-28 23:48:01,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:03,523 INFO L129 PetriNetUnfolder]: 5783/14022 cut-off events. [2021-04-28 23:48:03,523 INFO L130 PetriNetUnfolder]: For 20891/197356 co-relation queries the response was YES. [2021-04-28 23:48:03,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59260 conditions, 14022 events. 5783/14022 cut-off events. For 20891/197356 co-relation queries the response was YES. Maximal size of possible extension queue 3855. Compared 174617 event pairs, 1 based on Foata normal form. 608/4501 useless extension candidates. Maximal degree in co-relation 59227. Up to 7128 conditions per place. [2021-04-28 23:48:03,617 INFO L132 encePairwiseOnDemand]: 333/350 looper letters, 5 selfloop transitions, 67 changer transitions 23/121 dead transitions. [2021-04-28 23:48:03,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 121 transitions, 959 flow [2021-04-28 23:48:03,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 23:48:03,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 23:48:03,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2424 transitions. [2021-04-28 23:48:03,628 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7695238095238095 [2021-04-28 23:48:03,629 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2424 transitions. [2021-04-28 23:48:03,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2424 transitions. [2021-04-28 23:48:03,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:03,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2424 transitions. [2021-04-28 23:48:03,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 269.3333333333333) internal successors, (2424), 9 states have internal predecessors, (2424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:48:03,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 350.0) internal successors, (3500), 10 states have internal predecessors, (3500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:48:03,646 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 350.0) internal successors, (3500), 10 states have internal predecessors, (3500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:48:03,646 INFO L185 Difference]: Start difference. First operand has 82 places, 102 transitions, 660 flow. Second operand 9 states and 2424 transitions. [2021-04-28 23:48:03,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 121 transitions, 959 flow [2021-04-28 23:48:05,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 121 transitions, 937 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-04-28 23:48:05,812 INFO L241 Difference]: Finished difference. Result has 90 places, 96 transitions, 776 flow [2021-04-28 23:48:05,812 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=776, PETRI_PLACES=90, PETRI_TRANSITIONS=96} [2021-04-28 23:48:05,813 INFO L343 CegarLoopForPetriNet]: 136 programPoint places, -46 predicate places. [2021-04-28 23:48:05,813 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:05,813 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 96 transitions, 776 flow [2021-04-28 23:48:05,813 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 96 transitions, 776 flow [2021-04-28 23:48:05,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 96 transitions, 776 flow [2021-04-28 23:48:06,184 INFO L129 PetriNetUnfolder]: 1801/4993 cut-off events. [2021-04-28 23:48:06,184 INFO L130 PetriNetUnfolder]: For 9058/10528 co-relation queries the response was YES. [2021-04-28 23:48:06,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21732 conditions, 4993 events. 1801/4993 cut-off events. For 9058/10528 co-relation queries the response was YES. Maximal size of possible extension queue 1677. Compared 62560 event pairs, 2 based on Foata normal form. 6/1537 useless extension candidates. Maximal degree in co-relation 21699. Up to 3564 conditions per place. [2021-04-28 23:48:06,258 INFO L146 LiptonReduction]: Number of co-enabled transitions 1402 [2021-04-28 23:48:06,507 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 23:48:06,507 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:06,508 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 695 [2021-04-28 23:48:06,508 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 96 transitions, 776 flow [2021-04-28 23:48:06,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 260.8333333333333) internal successors, (1565), 6 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:48:06,510 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:06,510 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:06,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 23:48:06,510 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:06,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:06,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1293406829, now seen corresponding path program 1 times [2021-04-28 23:48:06,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:06,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285898901] [2021-04-28 23:48:06,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:48:06,567 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:48:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:48:06,624 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:48:06,666 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 23:48:06,666 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 23:48:06,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 23:48:06,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 11:48:06 BasicIcfg [2021-04-28 23:48:06,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 23:48:06,764 INFO L168 Benchmark]: Toolchain (without parser) took 152195.27 ms. Allocated memory was 302.0 MB in the beginning and 5.0 GB in the end (delta: 4.7 GB). Free memory was 276.6 MB in the beginning and 4.3 GB in the end (delta: -4.0 GB). Peak memory consumption was 758.5 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:06,764 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:48:06,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.05 ms. Allocated memory is still 302.0 MB. Free memory was 273.4 MB in the beginning and 278.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:06,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.70 ms. Allocated memory is still 302.0 MB. Free memory was 278.2 MB in the beginning and 275.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:06,765 INFO L168 Benchmark]: Boogie Preprocessor took 41.48 ms. Allocated memory is still 302.0 MB. Free memory was 275.1 MB in the beginning and 273.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:06,765 INFO L168 Benchmark]: RCFGBuilder took 2369.19 ms. Allocated memory was 302.0 MB in the beginning and 371.2 MB in the end (delta: 69.2 MB). Free memory was 273.0 MB in the beginning and 281.3 MB in the end (delta: -8.4 MB). Peak memory consumption was 169.9 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:06,766 INFO L168 Benchmark]: TraceAbstraction took 148859.85 ms. Allocated memory was 371.2 MB in the beginning and 5.0 GB in the end (delta: 4.7 GB). Free memory was 280.3 MB in the beginning and 4.3 GB in the end (delta: -4.0 GB). Peak memory consumption was 691.3 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:06,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 794.05 ms. Allocated memory is still 302.0 MB. Free memory was 273.4 MB in the beginning and 278.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 79.70 ms. Allocated memory is still 302.0 MB. Free memory was 278.2 MB in the beginning and 275.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 41.48 ms. Allocated memory is still 302.0 MB. Free memory was 275.1 MB in the beginning and 273.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2369.19 ms. Allocated memory was 302.0 MB in the beginning and 371.2 MB in the end (delta: 69.2 MB). Free memory was 273.0 MB in the beginning and 281.3 MB in the end (delta: -8.4 MB). Peak memory consumption was 169.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 148859.85 ms. Allocated memory was 371.2 MB in the beginning and 5.0 GB in the end (delta: 4.7 GB). Free memory was 280.3 MB in the beginning and 4.3 GB in the end (delta: -4.0 GB). Peak memory consumption was 691.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 125514.5ms, 102 PlacesBefore, 136 PlacesAfterwards, 94 TransitionsBefore, 128 TransitionsAfterwards, 1686 CoEnabledTransitionPairs, 10 FixpointIterations, 174 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 253 TotalNumberOfCompositions, 18669 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3656, positive: 3335, positive conditional: 3335, positive unconditional: 0, negative: 321, negative conditional: 321, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1747, positive: 1699, positive conditional: 0, positive unconditional: 1699, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1747, positive: 1699, positive conditional: 0, positive unconditional: 1699, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1747, positive: 1682, positive conditional: 0, positive unconditional: 1682, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1103, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 1031, negative conditional: 0, negative unconditional: 1031, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3656, positive: 1636, positive conditional: 1636, positive unconditional: 0, negative: 273, negative conditional: 273, negative unconditional: 0, unknown: 1747, unknown conditional: 1747, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1747, Positive cache size: 1699, Positive conditional cache size: 1699, Positive unconditional cache size: 0, Negative cache size: 48, Negative conditional cache size: 48, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 274.9ms, 132 PlacesBefore, 50 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 938 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 904 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, positive: 32, positive conditional: 1, positive unconditional: 31, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 38, positive: 32, positive conditional: 1, positive unconditional: 31, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 38, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 260, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 229, negative conditional: 0, negative unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 101, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1785, Positive cache size: 1731, Positive conditional cache size: 1731, Positive unconditional cache size: 0, Negative cache size: 54, Negative conditional cache size: 54, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.8ms, 51 PlacesBefore, 49 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 817 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 112, positive: 83, positive conditional: 83, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 112, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1795, Positive cache size: 1740, Positive conditional cache size: 1740, Positive unconditional cache size: 0, Negative cache size: 55, Negative conditional cache size: 55, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 479.3ms, 53 PlacesBefore, 53 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 1138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 391 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 22, positive conditional: 8, positive unconditional: 14, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 22, positive conditional: 8, positive unconditional: 14, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 447, positive: 195, positive conditional: 195, positive unconditional: 0, negative: 252, negative conditional: 0, negative unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1821, Positive cache size: 1762, Positive conditional cache size: 1762, Positive unconditional cache size: 0, Negative cache size: 59, Negative conditional cache size: 59, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 415.6ms, 58 PlacesBefore, 58 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 227 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 59, positive conditional: 59, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 9, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 9, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 336, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 194, negative conditional: 0, negative unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 66, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1834, Positive cache size: 1772, Positive conditional cache size: 1772, Positive unconditional cache size: 0, Negative cache size: 62, Negative conditional cache size: 62, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 213.2ms, 60 PlacesBefore, 60 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1256 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 163 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 7, positive unconditional: 8, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 7, positive unconditional: 8, 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: 16, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, positive: 157, positive conditional: 157, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 81, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1850, Positive cache size: 1787, Positive conditional cache size: 1787, Positive unconditional cache size: 0, Negative cache size: 63, Negative conditional cache size: 63, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.8ms, 63 PlacesBefore, 63 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 1216 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 96 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 27, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 27, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1852, Positive cache size: 1789, Positive conditional cache size: 1789, Positive unconditional cache size: 0, Negative cache size: 63, Negative conditional cache size: 63, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 79.1ms, 69 PlacesBefore, 69 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 1402 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 111 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1852, Positive cache size: 1789, Positive conditional cache size: 1789, Positive unconditional cache size: 0, Negative cache size: 63, Negative conditional cache size: 63, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1432.1ms, 74 PlacesBefore, 74 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 1730 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1852, Positive cache size: 1789, Positive conditional cache size: 1789, Positive unconditional cache size: 0, Negative cache size: 63, Negative conditional cache size: 63, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1102.5ms, 83 PlacesBefore, 83 PlacesAfterwards, 105 TransitionsBefore, 105 TransitionsAfterwards, 1980 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1852, Positive cache size: 1789, Positive conditional cache size: 1789, Positive unconditional cache size: 0, Negative cache size: 63, Negative conditional cache size: 63, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1556.9ms, 83 PlacesBefore, 82 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 1798 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1852, Positive cache size: 1789, Positive conditional cache size: 1789, Positive unconditional cache size: 0, Negative cache size: 63, Negative conditional cache size: 63, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 694.2ms, 90 PlacesBefore, 87 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 1402 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1852, Positive cache size: 1789, Positive conditional cache size: 1789, Positive unconditional cache size: 0, Negative cache size: 63, Negative conditional cache size: 63, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L716] 0 _Bool x$flush_delayed; [L717] 0 int x$mem_tmp; [L718] 0 _Bool x$r_buff0_thd0; [L719] 0 _Bool x$r_buff0_thd1; [L720] 0 _Bool x$r_buff0_thd2; [L721] 0 _Bool x$r_buff0_thd3; [L722] 0 _Bool x$r_buff1_thd0; [L723] 0 _Bool x$r_buff1_thd1; [L724] 0 _Bool x$r_buff1_thd2; [L725] 0 _Bool x$r_buff1_thd3; [L726] 0 _Bool x$read_delayed; [L727] 0 int *x$read_delayed_var; [L728] 0 int x$w_buff0; [L729] 0 _Bool x$w_buff0_used; [L730] 0 int x$w_buff1; [L731] 0 _Bool x$w_buff1_used; [L733] 0 int y = 0; [L735] 0 int z = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L818] 0 pthread_t t2028; [L819] FCALL, FORK 0 pthread_create(&t2028, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=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] [L820] 0 pthread_t t2029; [L821] FCALL, FORK 0 pthread_create(&t2029, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=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] [L761] 2 x$w_buff1 = x$w_buff0 [L762] 2 x$w_buff0 = 2 [L763] 2 x$w_buff1_used = x$w_buff0_used [L764] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L766] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L767] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L768] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L769] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L770] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$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] [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=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] [L822] 0 pthread_t t2030; [L823] FCALL, FORK 0 pthread_create(&t2030, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=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] [L790] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, 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] [L793] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, 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] [L741] 1 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, 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=2] [L744] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, 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=2] [L747] 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) [L747] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L747] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L747] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L748] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L748] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L749] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L749] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L750] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L750] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L751] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L751] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L754] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L756] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$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=2] [L776] 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) [L776] 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) [L777] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L777] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L778] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L778] 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 [L779] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L779] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L780] 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 [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, 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=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L796] 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) [L796] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L796] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L796] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L797] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L797] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L798] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L798] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L799] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L799] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L800] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L800] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, 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=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L825] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L829] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L829] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L829] 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) [L829] 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) [L830] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L830] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L831] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L831] 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 [L832] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L832] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L833] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L833] 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 [L836] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L837] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L838] 0 x$flush_delayed = weak$$choice2 [L839] 0 x$mem_tmp = x [L840] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L840] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L841] EXPR 0 weak$$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$w_buff0)) [L841] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L842] EXPR 0 weak$$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$w_buff1)) [L842] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L843] EXPR 0 weak$$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)) [L843] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L844] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 0 weak$$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)) [L845] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L846] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p2_EAX == 1) [L848] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L848] 0 x = x$flush_delayed ? x$mem_tmp : x [L849] 0 x$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, 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=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 148632.9ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 14571.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 125618.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 55 SDtfs, 58 SDslu, 12 SDs, 0 SdLazy, 386 SolverSat, 177 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 925.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 528.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=792occurred in iteration=9, InterpolantAutomatonStates: 51, 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: 49.3ms SsaConstructionTime, 607.1ms SatisfiabilityAnalysisTime, 1036.0ms InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...