/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/safe001_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 23:21:32,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 23:21:32,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 23:21:32,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 23:21:32,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 23:21:32,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 23:21:32,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 23:21:32,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 23:21:32,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 23:21:32,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 23:21:32,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 23:21:32,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 23:21:32,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 23:21:32,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 23:21:32,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 23:21:32,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 23:21:32,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 23:21:32,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 23:21:32,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 23:21:32,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 23:21:32,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 23:21:32,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 23:21:32,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 23:21:32,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 23:21:32,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 23:21:32,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 23:21:32,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 23:21:32,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 23:21:32,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 23:21:32,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 23:21:32,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 23:21:32,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 23:21:32,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 23:21:32,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 23:21:32,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 23:21:32,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 23:21:32,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 23:21:32,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 23:21:32,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 23:21:32,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 23:21:32,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 23:21:32,331 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 23:21:32,393 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 23:21:32,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 23:21:32,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 23:21:32,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 23:21:32,397 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 23:21:32,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 23:21:32,398 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 23:21:32,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 23:21:32,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 23:21:32,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 23:21:32,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 23:21:32,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 23:21:32,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 23:21:32,400 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 23:21:32,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 23:21:32,401 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 23:21:32,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 23:21:32,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 23:21:32,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 23:21:32,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 23:21:32,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 23:21:32,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:21:32,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 23:21:32,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 23:21:32,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 23:21:32,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 23:21:32,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 23:21:32,404 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 23:21:32,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 23:21:32,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 23:21:32,405 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 23:21:32,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 23:21:32,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 23:21:32,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 23:21:32,963 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 23:21:32,964 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 23:21:32,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe001_pso.opt.i [2021-04-28 23:21:33,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/273e85bbe/63e29e6e93e54d4c895c6d4b52c50c95/FLAGb727002bc [2021-04-28 23:21:34,203 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 23:21:34,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_pso.opt.i [2021-04-28 23:21:34,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/273e85bbe/63e29e6e93e54d4c895c6d4b52c50c95/FLAGb727002bc [2021-04-28 23:21:34,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/273e85bbe/63e29e6e93e54d4c895c6d4b52c50c95 [2021-04-28 23:21:34,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 23:21:34,298 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 23:21:34,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 23:21:34,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 23:21:34,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 23:21:34,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:21:34" (1/1) ... [2021-04-28 23:21:34,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31170d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:21:34, skipping insertion in model container [2021-04-28 23:21:34,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:21:34" (1/1) ... [2021-04-28 23:21:34,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 23:21:34,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 23:21:34,606 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/safe001_pso.opt.i[949,962] [2021-04-28 23:21:35,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:21:35,073 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 23:21:35,098 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/safe001_pso.opt.i[949,962] [2021-04-28 23:21:35,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:21:35,351 INFO L208 MainTranslator]: Completed translation [2021-04-28 23:21:35,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:21:35 WrapperNode [2021-04-28 23:21:35,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 23:21:35,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 23:21:35,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 23:21:35,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 23:21:35,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:21:35" (1/1) ... [2021-04-28 23:21:35,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:21:35" (1/1) ... [2021-04-28 23:21:35,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 23:21:35,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 23:21:35,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 23:21:35,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 23:21:35,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:21:35" (1/1) ... [2021-04-28 23:21:35,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:21:35" (1/1) ... [2021-04-28 23:21:35,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:21:35" (1/1) ... [2021-04-28 23:21:35,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:21:35" (1/1) ... [2021-04-28 23:21:35,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:21:35" (1/1) ... [2021-04-28 23:21:35,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:21:35" (1/1) ... [2021-04-28 23:21:35,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:21:35" (1/1) ... [2021-04-28 23:21:35,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 23:21:35,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 23:21:35,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 23:21:35,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 23:21:35,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:21:35" (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 23:21:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 23:21:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 23:21:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 23:21:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 23:21:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 23:21:35,725 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 23:21:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 23:21:35,726 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 23:21:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 23:21:35,726 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 23:21:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 23:21:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 23:21:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 23:21:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 23:21:35,730 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 23:21:38,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 23:21:38,749 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 23:21:38,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:21:38 BoogieIcfgContainer [2021-04-28 23:21:38,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 23:21:38,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 23:21:38,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 23:21:38,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 23:21:38,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 11:21:34" (1/3) ... [2021-04-28 23:21:38,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127dbc94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:21:38, skipping insertion in model container [2021-04-28 23:21:38,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:21:35" (2/3) ... [2021-04-28 23:21:38,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127dbc94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:21:38, skipping insertion in model container [2021-04-28 23:21:38,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:21:38" (3/3) ... [2021-04-28 23:21:38,762 INFO L111 eAbstractionObserver]: Analyzing ICFG safe001_pso.opt.i [2021-04-28 23:21:38,771 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 23:21:38,780 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 23:21:38,781 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 23:21:38,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,832 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,832 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,833 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,833 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,836 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,836 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,836 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,840 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,840 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,840 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,841 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,847 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,848 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,848 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,848 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,853 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,855 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:21:38,861 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 23:21:38,887 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 23:21:38,923 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 23:21:38,924 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 23:21:38,924 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 23:21:38,924 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 23:21:38,924 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 23:21:38,924 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 23:21:38,925 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 23:21:38,925 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 23:21:38,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2021-04-28 23:21:39,007 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-04-28 23:21:39,008 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:21:39,014 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 23:21:39,015 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2021-04-28 23:21:39,023 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2021-04-28 23:21:39,026 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:21:39,051 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 197 flow [2021-04-28 23:21:39,058 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 94 transitions, 197 flow [2021-04-28 23:21:39,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 197 flow [2021-04-28 23:21:39,092 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-04-28 23:21:39,092 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:21:39,094 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 70 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 23:21:39,098 INFO L146 LiptonReduction]: Number of co-enabled transitions 1686 [2021-04-28 23:21:43,813 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 23:21:44,419 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:21:47,191 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 23:21:48,381 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:21:48,996 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 23:21:49,132 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:21:49,839 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 23:21:50,102 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 23:21:50,436 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 23:21:50,581 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 23:21:50,879 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 23:21:53,302 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 23:21:54,061 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:21:57,028 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 23:21:58,435 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:22:00,729 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 232 DAG size of output: 191 [2021-04-28 23:22:01,414 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 23:22:04,643 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 23:22:06,106 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 23:22:08,431 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 23:22:09,219 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:22:12,658 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 23:22:14,245 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 23:22:20,166 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 231 DAG size of output: 190 [2021-04-28 23:22:21,012 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 23:22:24,932 WARN L205 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-28 23:22:26,621 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 23:22:28,678 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 23:22:30,460 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2021-04-28 23:22:34,479 WARN L205 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 23:22:36,328 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 23:22:38,610 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2021-04-28 23:22:39,604 WARN L205 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 23:22:43,894 WARN L205 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 315 DAG size of output: 270 [2021-04-28 23:22:45,827 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 23:22:48,122 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 23:22:49,155 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 23:22:53,955 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 23:22:56,148 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:22:56,671 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 23:22:56,872 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 23:22:57,079 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:22:57,287 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:22:57,400 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 23:22:59,266 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:22:59,477 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:22:59,666 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:22:59,845 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:22:59,965 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:23:00,086 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:23:00,224 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:23:00,349 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:23:00,486 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:23:00,630 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:23:00,770 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:23:00,909 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:23:01,048 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:23:01,181 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:23:01,304 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:23:01,429 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:23:01,560 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:23:01,692 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:23:01,846 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:23:01,988 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:23:02,138 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:23:02,279 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:23:02,433 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:23:02,593 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:23:02,728 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 23:23:02,864 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 23:23:03,001 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 23:23:03,133 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 23:23:03,293 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 23:23:03,466 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 23:23:03,624 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 23:23:03,794 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 23:23:03,950 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 23:23:04,116 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 23:23:04,292 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 23:23:04,454 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 23:23:07,020 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 231 DAG size of output: 190 [2021-04-28 23:23:08,242 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 23:23:13,415 WARN L205 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-28 23:23:15,816 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 23:23:18,554 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 23:23:19,806 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:23:25,246 WARN L205 SmtUtils]: Spent 5.44 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 23:23:27,770 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:23:30,742 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 23:23:32,063 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:23:38,028 WARN L205 SmtUtils]: Spent 5.96 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 23:23:40,775 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 23:23:41,957 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 23:23:42,091 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 23:23:42,219 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 23:23:42,347 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 23:23:42,457 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 23:23:42,594 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 23:23:42,722 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 23:23:42,856 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 23:23:44,179 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:23:44,353 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:23:44,538 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:23:44,704 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:23:44,914 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:23:45,080 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:23:45,294 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:23:45,494 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:23:45,660 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:23:45,818 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:23:45,995 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:23:46,156 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:23:46,350 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:23:46,570 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:23:46,817 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:23:47,038 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:23:47,201 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:23:47,352 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:23:47,509 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:23:47,649 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:23:47,791 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:23:47,950 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:23:48,108 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:23:48,258 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:23:48,487 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:23:48,670 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:23:48,853 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:23:49,025 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:23:50,498 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:23:50,650 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:23:50,810 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:23:50,964 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:23:51,741 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 23:23:51,884 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 23:23:52,016 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 23:23:52,176 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 23:23:52,483 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:23:52,764 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:23:53,027 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:23:53,325 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:23:53,599 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:23:53,834 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:23:54,092 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:23:54,382 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:23:54,618 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:23:54,830 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:23:55,056 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:23:55,282 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:23:55,527 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:23:55,735 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:23:55,957 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:23:56,201 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:23:56,482 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:23:56,756 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:23:57,024 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:23:57,298 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:23:57,577 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:23:57,829 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:23:58,111 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:23:58,389 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:23:58,643 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:23:58,868 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:23:59,144 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:23:59,367 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:23:59,555 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:23:59,743 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:23:59,966 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:24:00,207 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:24:00,437 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:24:00,647 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:24:00,898 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:24:01,141 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:24:01,338 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:24:01,509 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:24:01,677 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:24:01,879 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:24:03,005 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 23:24:03,514 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 23:24:04,601 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 23:24:05,148 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 23:24:05,470 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:24:05,789 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:24:06,101 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:24:06,399 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:24:06,769 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:24:07,126 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:24:07,422 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:24:07,752 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:24:08,073 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:24:08,406 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:24:08,732 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:24:09,067 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:24:09,306 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:24:09,554 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:24:09,786 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:24:10,047 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:24:10,364 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:24:10,695 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:24:11,017 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:24:11,357 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:24:11,747 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:24:12,124 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:24:12,506 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:24:12,896 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:24:13,154 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:24:13,404 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:24:13,664 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:24:13,918 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:24:14,950 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-28 23:24:15,479 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 23:24:16,528 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-28 23:24:17,033 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 23:24:17,399 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:17,754 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:18,145 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:18,554 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:18,967 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:19,341 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:19,694 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:20,041 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:20,380 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:24:20,689 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:24:20,959 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:24:21,238 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:24:21,633 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:22,016 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:22,437 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:22,827 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:23,172 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:24:23,526 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:24:23,855 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:24:24,195 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:24:24,452 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:24:24,709 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:24:24,975 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:24:25,248 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:24:25,579 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:24:25,872 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:24:26,173 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:24:26,477 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:24:26,875 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:27,275 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:27,701 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:28,135 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:24:28,444 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:24:28,742 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:24:29,018 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:24:29,297 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:24:29,345 INFO L158 LiptonReduction]: Checked pairs total: 15061 [2021-04-28 23:24:29,345 INFO L160 LiptonReduction]: Total number of compositions: 217 [2021-04-28 23:24:29,350 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 170326 [2021-04-28 23:24:29,371 INFO L129 PetriNetUnfolder]: 0/55 cut-off events. [2021-04-28 23:24:29,371 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:24:29,371 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:24:29,373 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 23:24:29,373 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 23:24:29,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:24:29,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1126670406, now seen corresponding path program 1 times [2021-04-28 23:24:29,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:24:29,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569174832] [2021-04-28 23:24:29,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:24:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:24:29,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:29,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:24:29,851 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 23:24:29,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569174832] [2021-04-28 23:24:29,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:24:29,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:24:29,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349708789] [2021-04-28 23:24:29,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:24:29,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:24:29,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:24:29,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:24:29,908 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 314 [2021-04-28 23:24:29,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 118 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 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 23:24:29,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:24:29,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 314 [2021-04-28 23:24:29,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:24:30,815 INFO L129 PetriNetUnfolder]: 329/760 cut-off events. [2021-04-28 23:24:30,816 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:24:30,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1314 conditions, 760 events. 329/760 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 5318 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 23:24:30,826 INFO L132 encePairwiseOnDemand]: 297/314 looper letters, 9 selfloop transitions, 2 changer transitions 86/131 dead transitions. [2021-04-28 23:24:30,826 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 131 transitions, 369 flow [2021-04-28 23:24:30,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:24:30,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:24:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 760 transitions. [2021-04-28 23:24:30,858 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8067940552016986 [2021-04-28 23:24:30,860 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 760 transitions. [2021-04-28 23:24:30,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 760 transitions. [2021-04-28 23:24:30,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:24:30,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 760 transitions. [2021-04-28 23:24:30,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:24:30,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 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 23:24:30,894 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 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 23:24:30,897 INFO L185 Difference]: Start difference. First operand has 126 places, 118 transitions, 245 flow. Second operand 3 states and 760 transitions. [2021-04-28 23:24:30,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 131 transitions, 369 flow [2021-04-28 23:24:30,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 131 transitions, 366 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 23:24:30,905 INFO L241 Difference]: Finished difference. Result has 122 places, 41 transitions, 92 flow [2021-04-28 23:24:30,908 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=122, PETRI_TRANSITIONS=41} [2021-04-28 23:24:30,910 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -4 predicate places. [2021-04-28 23:24:30,910 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:24:30,910 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 41 transitions, 92 flow [2021-04-28 23:24:30,911 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 41 transitions, 92 flow [2021-04-28 23:24:30,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 41 transitions, 92 flow [2021-04-28 23:24:30,918 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-28 23:24:30,918 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:24:30,918 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 13. Compared 144 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 23:24:30,919 INFO L146 LiptonReduction]: Number of co-enabled transitions 938 [2021-04-28 23:24:31,225 INFO L158 LiptonReduction]: Checked pairs total: 904 [2021-04-28 23:24:31,226 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:24:31,226 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 316 [2021-04-28 23:24:31,230 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 41 transitions, 92 flow [2021-04-28 23:24:31,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 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 23:24:31,232 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:24:31,232 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:24:31,232 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 23:24:31,233 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 23:24:31,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:24:31,236 INFO L82 PathProgramCache]: Analyzing trace with hash 754936851, now seen corresponding path program 1 times [2021-04-28 23:24:31,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:24:31,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446819629] [2021-04-28 23:24:31,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:24:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:24:31,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:31,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:24:31,578 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 23:24:31,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446819629] [2021-04-28 23:24:31,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:24:31,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:24:31,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274925347] [2021-04-28 23:24:31,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:24:31,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:24:31,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:24:31,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:24:31,585 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 314 [2021-04-28 23:24:31,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 249.66666666666666) internal successors, (749), 3 states have internal predecessors, (749), 0 states have call successors, (0), 0 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 23:24:31,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:24:31,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 314 [2021-04-28 23:24:31,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:24:31,655 INFO L129 PetriNetUnfolder]: 19/111 cut-off events. [2021-04-28 23:24:31,655 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:24:31,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 111 events. 19/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 534 event pairs, 3 based on Foata normal form. 1/73 useless extension candidates. Maximal degree in co-relation 152. Up to 35 conditions per place. [2021-04-28 23:24:31,657 INFO L132 encePairwiseOnDemand]: 310/314 looper letters, 7 selfloop transitions, 3 changer transitions 0/45 dead transitions. [2021-04-28 23:24:31,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 45 transitions, 120 flow [2021-04-28 23:24:31,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:24:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:24:31,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 758 transitions. [2021-04-28 23:24:31,665 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8046709129511678 [2021-04-28 23:24:31,666 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 758 transitions. [2021-04-28 23:24:31,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 758 transitions. [2021-04-28 23:24:31,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:24:31,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 758 transitions. [2021-04-28 23:24:31,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 0 states have call successors, (0), 0 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 23:24:31,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 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 23:24:31,675 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 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 23:24:31,676 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 92 flow. Second operand 3 states and 758 transitions. [2021-04-28 23:24:31,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 45 transitions, 120 flow [2021-04-28 23:24:31,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 45 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:24:31,678 INFO L241 Difference]: Finished difference. Result has 51 places, 43 transitions, 107 flow [2021-04-28 23:24:31,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, 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=107, PETRI_PLACES=51, PETRI_TRANSITIONS=43} [2021-04-28 23:24:31,680 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -75 predicate places. [2021-04-28 23:24:31,680 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:24:31,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 43 transitions, 107 flow [2021-04-28 23:24:31,681 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 43 transitions, 107 flow [2021-04-28 23:24:31,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 107 flow [2021-04-28 23:24:31,691 INFO L129 PetriNetUnfolder]: 3/55 cut-off events. [2021-04-28 23:24:31,691 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:24:31,692 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 14. Compared 190 event pairs, 1 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 68. Up to 10 conditions per place. [2021-04-28 23:24:31,694 INFO L146 LiptonReduction]: Number of co-enabled transitions 1004 [2021-04-28 23:24:31,796 INFO L158 LiptonReduction]: Checked pairs total: 857 [2021-04-28 23:24:31,797 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:24:31,797 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 117 [2021-04-28 23:24:31,799 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 43 transitions, 107 flow [2021-04-28 23:24:31,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 249.66666666666666) internal successors, (749), 3 states have internal predecessors, (749), 0 states have call successors, (0), 0 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 23:24:31,801 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:24:31,801 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:24:31,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 23:24:31,801 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 23:24:31,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:24:31,802 INFO L82 PathProgramCache]: Analyzing trace with hash 396551933, now seen corresponding path program 1 times [2021-04-28 23:24:31,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:24:31,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281428118] [2021-04-28 23:24:31,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:24:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:24:31,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:31,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:24:31,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:31,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:24:31,976 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 23:24:31,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281428118] [2021-04-28 23:24:31,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:24:31,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:24:31,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349255221] [2021-04-28 23:24:31,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:24:31,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:24:31,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:24:31,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:24:31,983 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 314 [2021-04-28 23:24:31,985 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 43 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 0 states have call successors, (0), 0 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 23:24:31,985 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:24:31,985 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 314 [2021-04-28 23:24:31,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:24:32,068 INFO L129 PetriNetUnfolder]: 11/111 cut-off events. [2021-04-28 23:24:32,069 INFO L130 PetriNetUnfolder]: For 8/26 co-relation queries the response was YES. [2021-04-28 23:24:32,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 111 events. 11/111 cut-off events. For 8/26 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 560 event pairs, 5 based on Foata normal form. 5/74 useless extension candidates. Maximal degree in co-relation 165. Up to 18 conditions per place. [2021-04-28 23:24:32,071 INFO L132 encePairwiseOnDemand]: 311/314 looper letters, 7 selfloop transitions, 3 changer transitions 0/45 dead transitions. [2021-04-28 23:24:32,071 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 45 transitions, 131 flow [2021-04-28 23:24:32,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:24:32,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:24:32,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 757 transitions. [2021-04-28 23:24:32,077 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8036093418259024 [2021-04-28 23:24:32,078 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 757 transitions. [2021-04-28 23:24:32,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 757 transitions. [2021-04-28 23:24:32,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:24:32,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 757 transitions. [2021-04-28 23:24:32,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 0 states have call successors, (0), 0 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 23:24:32,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 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 23:24:32,088 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 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 23:24:32,088 INFO L185 Difference]: Start difference. First operand has 51 places, 43 transitions, 107 flow. Second operand 3 states and 757 transitions. [2021-04-28 23:24:32,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 45 transitions, 131 flow [2021-04-28 23:24:32,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 45 transitions, 128 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 23:24:32,091 INFO L241 Difference]: Finished difference. Result has 53 places, 43 transitions, 115 flow [2021-04-28 23:24:32,091 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=115, PETRI_PLACES=53, PETRI_TRANSITIONS=43} [2021-04-28 23:24:32,092 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -73 predicate places. [2021-04-28 23:24:32,092 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:24:32,092 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 43 transitions, 115 flow [2021-04-28 23:24:32,093 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 43 transitions, 115 flow [2021-04-28 23:24:32,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 43 transitions, 115 flow [2021-04-28 23:24:32,104 INFO L129 PetriNetUnfolder]: 0/57 cut-off events. [2021-04-28 23:24:32,104 INFO L130 PetriNetUnfolder]: For 9/10 co-relation queries the response was YES. [2021-04-28 23:24:32,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 57 events. 0/57 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 208 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-04-28 23:24:32,106 INFO L146 LiptonReduction]: Number of co-enabled transitions 1000 [2021-04-28 23:24:32,131 INFO L158 LiptonReduction]: Checked pairs total: 855 [2021-04-28 23:24:32,131 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:24:32,131 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-04-28 23:24:32,133 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 43 transitions, 115 flow [2021-04-28 23:24:32,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 0 states have call successors, (0), 0 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 23:24:32,135 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:24:32,135 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:24:32,135 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 23:24:32,136 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 23:24:32,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:24:32,136 INFO L82 PathProgramCache]: Analyzing trace with hash -390134308, now seen corresponding path program 1 times [2021-04-28 23:24:32,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:24:32,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395532448] [2021-04-28 23:24:32,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:24:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:24:32,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:32,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 23:24:32,296 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 23:24:32,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395532448] [2021-04-28 23:24:32,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:24:32,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:24:32,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826344414] [2021-04-28 23:24:32,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:24:32,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:24:32,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:24:32,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:24:32,303 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 314 [2021-04-28 23:24:32,305 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 43 transitions, 115 flow. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 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 23:24:32,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:24:32,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 314 [2021-04-28 23:24:32,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:24:32,338 INFO L129 PetriNetUnfolder]: 0/57 cut-off events. [2021-04-28 23:24:32,338 INFO L130 PetriNetUnfolder]: For 18/20 co-relation queries the response was YES. [2021-04-28 23:24:32,339 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 57 events. 0/57 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 216 event pairs, 0 based on Foata normal form. 2/34 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-04-28 23:24:32,339 INFO L132 encePairwiseOnDemand]: 311/314 looper letters, 1 selfloop transitions, 2 changer transitions 13/43 dead transitions. [2021-04-28 23:24:32,339 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 43 transitions, 121 flow [2021-04-28 23:24:32,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:24:32,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:24:32,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions. [2021-04-28 23:24:32,348 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7303609341825902 [2021-04-28 23:24:32,348 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 688 transitions. [2021-04-28 23:24:32,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 688 transitions. [2021-04-28 23:24:32,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:24:32,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 688 transitions. [2021-04-28 23:24:32,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 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 23:24:32,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 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 23:24:32,359 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 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 23:24:32,360 INFO L185 Difference]: Start difference. First operand has 53 places, 43 transitions, 115 flow. Second operand 3 states and 688 transitions. [2021-04-28 23:24:32,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 43 transitions, 121 flow [2021-04-28 23:24:32,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 43 transitions, 116 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 23:24:32,367 INFO L241 Difference]: Finished difference. Result has 55 places, 30 transitions, 92 flow [2021-04-28 23:24:32,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=55, PETRI_TRANSITIONS=30} [2021-04-28 23:24:32,368 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -71 predicate places. [2021-04-28 23:24:32,368 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:24:32,368 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 30 transitions, 92 flow [2021-04-28 23:24:32,368 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 30 transitions, 92 flow [2021-04-28 23:24:32,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 30 transitions, 92 flow [2021-04-28 23:24:32,380 INFO L129 PetriNetUnfolder]: 0/44 cut-off events. [2021-04-28 23:24:32,380 INFO L130 PetriNetUnfolder]: For 8/9 co-relation queries the response was YES. [2021-04-28 23:24:32,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 44 events. 0/44 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 126 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-04-28 23:24:32,382 INFO L146 LiptonReduction]: Number of co-enabled transitions 452 [2021-04-28 23:24:32,398 INFO L158 LiptonReduction]: Checked pairs total: 501 [2021-04-28 23:24:32,399 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:24:32,399 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-04-28 23:24:32,401 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 30 transitions, 92 flow [2021-04-28 23:24:32,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 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 23:24:32,403 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:24:32,403 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:24:32,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 23:24:32,403 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 23:24:32,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:24:32,404 INFO L82 PathProgramCache]: Analyzing trace with hash 790736391, now seen corresponding path program 1 times [2021-04-28 23:24:32,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:24:32,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944375134] [2021-04-28 23:24:32,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:24:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:24:32,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:32,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:24:32,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:32,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:24:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:24:32,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944375134] [2021-04-28 23:24:32,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:24:32,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:24:32,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147483023] [2021-04-28 23:24:32,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:24:32,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:24:32,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:24:32,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:24:32,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 314 [2021-04-28 23:24:32,653 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 30 transitions, 92 flow. Second operand has 4 states, 4 states have (on average 202.25) internal successors, (809), 4 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:24:32,653 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:24:32,653 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 314 [2021-04-28 23:24:32,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:24:32,767 INFO L129 PetriNetUnfolder]: 8/94 cut-off events. [2021-04-28 23:24:32,768 INFO L130 PetriNetUnfolder]: For 42/58 co-relation queries the response was YES. [2021-04-28 23:24:32,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 94 events. 8/94 cut-off events. For 42/58 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 491 event pairs, 1 based on Foata normal form. 4/67 useless extension candidates. Maximal degree in co-relation 161. Up to 15 conditions per place. [2021-04-28 23:24:32,769 INFO L132 encePairwiseOnDemand]: 309/314 looper letters, 5 selfloop transitions, 3 changer transitions 5/34 dead transitions. [2021-04-28 23:24:32,769 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 34 transitions, 132 flow [2021-04-28 23:24:32,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:24:32,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:24:32,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 817 transitions. [2021-04-28 23:24:32,780 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6504777070063694 [2021-04-28 23:24:32,780 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 817 transitions. [2021-04-28 23:24:32,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 817 transitions. [2021-04-28 23:24:32,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:24:32,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 817 transitions. [2021-04-28 23:24:32,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 204.25) internal successors, (817), 4 states have internal predecessors, (817), 0 states have call successors, (0), 0 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 23:24:32,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 314.0) internal successors, (1570), 5 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 23:24:32,793 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 314.0) internal successors, (1570), 5 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 23:24:32,793 INFO L185 Difference]: Start difference. First operand has 42 places, 30 transitions, 92 flow. Second operand 4 states and 817 transitions. [2021-04-28 23:24:32,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 34 transitions, 132 flow [2021-04-28 23:24:32,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 34 transitions, 124 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:24:32,796 INFO L241 Difference]: Finished difference. Result has 44 places, 27 transitions, 86 flow [2021-04-28 23:24:32,796 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=86, PETRI_PLACES=44, PETRI_TRANSITIONS=27} [2021-04-28 23:24:32,797 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -82 predicate places. [2021-04-28 23:24:32,797 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:24:32,797 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 27 transitions, 86 flow [2021-04-28 23:24:32,798 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 27 transitions, 86 flow [2021-04-28 23:24:32,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 27 transitions, 86 flow [2021-04-28 23:24:32,806 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-04-28 23:24:32,806 INFO L130 PetriNetUnfolder]: For 15/16 co-relation queries the response was YES. [2021-04-28 23:24:32,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 27 events. 0/27 cut-off events. For 15/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 52 event pairs, 0 based on Foata normal form. 1/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:24:32,807 INFO L146 LiptonReduction]: Number of co-enabled transitions 362 [2021-04-28 23:24:32,858 INFO L158 LiptonReduction]: Checked pairs total: 406 [2021-04-28 23:24:32,859 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:24:32,859 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-04-28 23:24:32,860 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 27 transitions, 86 flow [2021-04-28 23:24:32,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 202.25) internal successors, (809), 4 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:24:32,862 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:24:32,862 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:24:32,862 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 23:24:32,863 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 23:24:32,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:24:32,863 INFO L82 PathProgramCache]: Analyzing trace with hash 381527139, now seen corresponding path program 1 times [2021-04-28 23:24:32,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:24:32,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723384117] [2021-04-28 23:24:32,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:24:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:24:32,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:32,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:24:32,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:32,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:24:32,989 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 23:24:32,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723384117] [2021-04-28 23:24:32,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:24:32,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:24:32,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727435906] [2021-04-28 23:24:32,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:24:32,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:24:32,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:24:32,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:24:32,994 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 314 [2021-04-28 23:24:32,995 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 27 transitions, 86 flow. Second operand has 4 states, 4 states have (on average 203.5) internal successors, (814), 4 states have internal predecessors, (814), 0 states have call successors, (0), 0 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 23:24:32,996 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:24:32,996 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 314 [2021-04-28 23:24:32,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:24:33,081 INFO L129 PetriNetUnfolder]: 2/58 cut-off events. [2021-04-28 23:24:33,082 INFO L130 PetriNetUnfolder]: For 43/51 co-relation queries the response was YES. [2021-04-28 23:24:33,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 58 events. 2/58 cut-off events. For 43/51 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 214 event pairs, 0 based on Foata normal form. 4/45 useless extension candidates. Maximal degree in co-relation 96. Up to 7 conditions per place. [2021-04-28 23:24:33,083 INFO L132 encePairwiseOnDemand]: 310/314 looper letters, 5 selfloop transitions, 3 changer transitions 1/30 dead transitions. [2021-04-28 23:24:33,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 30 transitions, 116 flow [2021-04-28 23:24:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:24:33,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:24:33,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 818 transitions. [2021-04-28 23:24:33,092 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6512738853503185 [2021-04-28 23:24:33,092 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 818 transitions. [2021-04-28 23:24:33,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 818 transitions. [2021-04-28 23:24:33,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:24:33,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 818 transitions. [2021-04-28 23:24:33,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 204.5) internal successors, (818), 4 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 23:24:33,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 314.0) internal successors, (1570), 5 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 23:24:33,103 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 314.0) internal successors, (1570), 5 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 23:24:33,103 INFO L185 Difference]: Start difference. First operand has 43 places, 27 transitions, 86 flow. Second operand 4 states and 818 transitions. [2021-04-28 23:24:33,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 30 transitions, 116 flow [2021-04-28 23:24:33,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 30 transitions, 101 flow, removed 1 selfloop flow, removed 5 redundant places. [2021-04-28 23:24:33,105 INFO L241 Difference]: Finished difference. Result has 42 places, 27 transitions, 84 flow [2021-04-28 23:24:33,105 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=84, PETRI_PLACES=42, PETRI_TRANSITIONS=27} [2021-04-28 23:24:33,105 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -84 predicate places. [2021-04-28 23:24:33,105 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:24:33,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 27 transitions, 84 flow [2021-04-28 23:24:33,106 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 27 transitions, 84 flow [2021-04-28 23:24:33,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 27 transitions, 84 flow [2021-04-28 23:24:33,111 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-04-28 23:24:33,112 INFO L130 PetriNetUnfolder]: For 10/12 co-relation queries the response was YES. [2021-04-28 23:24:33,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 27 events. 0/27 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 56 event pairs, 0 based on Foata normal form. 1/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:24:33,113 INFO L146 LiptonReduction]: Number of co-enabled transitions 314 [2021-04-28 23:24:33,369 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:24:33,491 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:24:33,660 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:24:33,774 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:24:33,779 INFO L158 LiptonReduction]: Checked pairs total: 728 [2021-04-28 23:24:33,780 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 23:24:33,780 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 675 [2021-04-28 23:24:33,781 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 27 transitions, 85 flow [2021-04-28 23:24:33,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 203.5) internal successors, (814), 4 states have internal predecessors, (814), 0 states have call successors, (0), 0 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 23:24:33,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:24:33,783 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:24:33,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 23:24:33,783 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 23:24:33,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:24:33,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1433378629, now seen corresponding path program 2 times [2021-04-28 23:24:33,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:24:33,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319801402] [2021-04-28 23:24:33,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:24:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:24:33,961 INFO L142 QuantifierPusher]: treesize reduction 40, result has 29.8 percent of original size [2021-04-28 23:24:33,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 23:24:34,015 INFO L142 QuantifierPusher]: treesize reduction 57, result has 48.2 percent of original size [2021-04-28 23:24:34,019 INFO L147 QuantifierPusher]: treesize reduction 9, result has 83.0 percent of original size 44 [2021-04-28 23:24:34,167 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 20 [2021-04-28 23:24:34,175 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-04-28 23:24:34,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-04-28 23:24:34,360 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 20 [2021-04-28 23:24:34,363 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 23:24:34,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319801402] [2021-04-28 23:24:34,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:24:34,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:24:34,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824954931] [2021-04-28 23:24:34,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:24:34,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:24:34,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:24:34,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:24:34,371 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 316 [2021-04-28 23:24:34,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 27 transitions, 85 flow. Second operand has 5 states, 5 states have (on average 174.8) internal successors, (874), 5 states have internal predecessors, (874), 0 states have call successors, (0), 0 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 23:24:34,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:24:34,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 316 [2021-04-28 23:24:34,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:24:34,757 INFO L129 PetriNetUnfolder]: 45/128 cut-off events. [2021-04-28 23:24:34,758 INFO L130 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2021-04-28 23:24:34,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 128 events. 45/128 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 551 event pairs, 21 based on Foata normal form. 2/103 useless extension candidates. Maximal degree in co-relation 262. Up to 73 conditions per place. [2021-04-28 23:24:34,761 INFO L132 encePairwiseOnDemand]: 309/316 looper letters, 9 selfloop transitions, 5 changer transitions 1/33 dead transitions. [2021-04-28 23:24:34,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 33 transitions, 127 flow [2021-04-28 23:24:34,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:24:34,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:24:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 712 transitions. [2021-04-28 23:24:34,771 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5632911392405063 [2021-04-28 23:24:34,772 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 712 transitions. [2021-04-28 23:24:34,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 712 transitions. [2021-04-28 23:24:34,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:24:34,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 712 transitions. [2021-04-28 23:24:34,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 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 23:24:34,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 316.0) internal successors, (1580), 5 states have internal predecessors, (1580), 0 states have call successors, (0), 0 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 23:24:34,782 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 316.0) internal successors, (1580), 5 states have internal predecessors, (1580), 0 states have call successors, (0), 0 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 23:24:34,782 INFO L185 Difference]: Start difference. First operand has 42 places, 27 transitions, 85 flow. Second operand 4 states and 712 transitions. [2021-04-28 23:24:34,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 33 transitions, 127 flow [2021-04-28 23:24:34,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 33 transitions, 113 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-04-28 23:24:34,788 INFO L241 Difference]: Finished difference. Result has 41 places, 29 transitions, 97 flow [2021-04-28 23:24:34,789 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=97, PETRI_PLACES=41, PETRI_TRANSITIONS=29} [2021-04-28 23:24:34,789 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -85 predicate places. [2021-04-28 23:24:34,790 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:24:34,790 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 29 transitions, 97 flow [2021-04-28 23:24:34,791 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 29 transitions, 97 flow [2021-04-28 23:24:34,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 29 transitions, 97 flow [2021-04-28 23:24:34,817 INFO L129 PetriNetUnfolder]: 14/74 cut-off events. [2021-04-28 23:24:34,818 INFO L130 PetriNetUnfolder]: For 25/29 co-relation queries the response was YES. [2021-04-28 23:24:34,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 74 events. 14/74 cut-off events. For 25/29 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 292 event pairs, 6 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 126. Up to 29 conditions per place. [2021-04-28 23:24:34,820 INFO L146 LiptonReduction]: Number of co-enabled transitions 330 [2021-04-28 23:24:34,995 INFO L158 LiptonReduction]: Checked pairs total: 110 [2021-04-28 23:24:34,996 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:24:34,996 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 206 [2021-04-28 23:24:34,997 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 97 flow [2021-04-28 23:24:34,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 174.8) internal successors, (874), 5 states have internal predecessors, (874), 0 states have call successors, (0), 0 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 23:24:34,998 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:24:34,998 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:24:34,999 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 23:24:34,999 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 23:24:34,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:24:35,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1712426076, now seen corresponding path program 1 times [2021-04-28 23:24:35,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:24:35,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923366135] [2021-04-28 23:24:35,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:24:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:24:35,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:35,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 23:24:35,115 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:24:35,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:24:35,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:35,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:24:35,156 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 23:24:35,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923366135] [2021-04-28 23:24:35,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:24:35,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:24:35,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049348523] [2021-04-28 23:24:35,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:24:35,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:24:35,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:24:35,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:24:35,161 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 316 [2021-04-28 23:24:35,163 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 97 flow. Second operand has 4 states, 4 states have (on average 218.75) internal successors, (875), 4 states have internal predecessors, (875), 0 states have call successors, (0), 0 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 23:24:35,164 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:24:35,164 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 316 [2021-04-28 23:24:35,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:24:35,638 INFO L129 PetriNetUnfolder]: 689/1197 cut-off events. [2021-04-28 23:24:35,638 INFO L130 PetriNetUnfolder]: For 300/300 co-relation queries the response was YES. [2021-04-28 23:24:35,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2602 conditions, 1197 events. 689/1197 cut-off events. For 300/300 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 7829 event pairs, 355 based on Foata normal form. 94/668 useless extension candidates. Maximal degree in co-relation 2591. Up to 847 conditions per place. [2021-04-28 23:24:35,652 INFO L132 encePairwiseOnDemand]: 304/316 looper letters, 20 selfloop transitions, 20 changer transitions 0/57 dead transitions. [2021-04-28 23:24:35,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 57 transitions, 233 flow [2021-04-28 23:24:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:24:35,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:24:35,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1132 transitions. [2021-04-28 23:24:35,663 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7164556962025317 [2021-04-28 23:24:35,664 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1132 transitions. [2021-04-28 23:24:35,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1132 transitions. [2021-04-28 23:24:35,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:24:35,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1132 transitions. [2021-04-28 23:24:35,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 226.4) internal successors, (1132), 5 states have internal predecessors, (1132), 0 states have call successors, (0), 0 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 23:24:35,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 316.0) internal successors, (1896), 6 states have internal predecessors, (1896), 0 states have call successors, (0), 0 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 23:24:35,678 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 316.0) internal successors, (1896), 6 states have internal predecessors, (1896), 0 states have call successors, (0), 0 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 23:24:35,679 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 97 flow. Second operand 5 states and 1132 transitions. [2021-04-28 23:24:35,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 57 transitions, 233 flow [2021-04-28 23:24:35,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 57 transitions, 227 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:24:35,690 INFO L241 Difference]: Finished difference. Result has 45 places, 48 transitions, 241 flow [2021-04-28 23:24:35,690 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=241, PETRI_PLACES=45, PETRI_TRANSITIONS=48} [2021-04-28 23:24:35,690 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -81 predicate places. [2021-04-28 23:24:35,691 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:24:35,691 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 48 transitions, 241 flow [2021-04-28 23:24:35,691 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 48 transitions, 241 flow [2021-04-28 23:24:35,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 48 transitions, 241 flow [2021-04-28 23:24:35,917 INFO L129 PetriNetUnfolder]: 693/1198 cut-off events. [2021-04-28 23:24:35,917 INFO L130 PetriNetUnfolder]: For 564/930 co-relation queries the response was YES. [2021-04-28 23:24:35,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3525 conditions, 1198 events. 693/1198 cut-off events. For 564/930 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 7872 event pairs, 340 based on Foata normal form. 3/575 useless extension candidates. Maximal degree in co-relation 3513. Up to 923 conditions per place. [2021-04-28 23:24:35,942 INFO L146 LiptonReduction]: Number of co-enabled transitions 438 [2021-04-28 23:24:35,989 INFO L158 LiptonReduction]: Checked pairs total: 74 [2021-04-28 23:24:35,990 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:24:35,990 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 299 [2021-04-28 23:24:35,991 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 48 transitions, 241 flow [2021-04-28 23:24:35,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 218.75) internal successors, (875), 4 states have internal predecessors, (875), 0 states have call successors, (0), 0 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 23:24:35,993 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:24:35,993 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:24:35,994 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 23:24:35,994 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 23:24:35,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:24:35,994 INFO L82 PathProgramCache]: Analyzing trace with hash -983050118, now seen corresponding path program 1 times [2021-04-28 23:24:35,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:24:35,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778276373] [2021-04-28 23:24:35,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:24:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:24:36,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:36,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:24:36,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:36,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:24:36,209 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:24:36,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:24:36,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:36,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:24:36,258 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 23:24:36,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778276373] [2021-04-28 23:24:36,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:24:36,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:24:36,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701033029] [2021-04-28 23:24:36,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:24:36,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:24:36,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:24:36,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:24:36,271 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 316 [2021-04-28 23:24:36,273 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 48 transitions, 241 flow. Second operand has 5 states, 5 states have (on average 218.8) internal successors, (1094), 5 states have internal predecessors, (1094), 0 states have call successors, (0), 0 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 23:24:36,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:24:36,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 316 [2021-04-28 23:24:36,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:24:36,905 INFO L129 PetriNetUnfolder]: 518/1041 cut-off events. [2021-04-28 23:24:36,905 INFO L130 PetriNetUnfolder]: For 717/1509 co-relation queries the response was YES. [2021-04-28 23:24:36,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3981 conditions, 1041 events. 518/1041 cut-off events. For 717/1509 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 7277 event pairs, 100 based on Foata normal form. 129/640 useless extension candidates. Maximal degree in co-relation 3967. Up to 818 conditions per place. [2021-04-28 23:24:36,919 INFO L132 encePairwiseOnDemand]: 304/316 looper letters, 11 selfloop transitions, 39 changer transitions 9/76 dead transitions. [2021-04-28 23:24:36,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 76 transitions, 525 flow [2021-04-28 23:24:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 23:24:36,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 23:24:36,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1587 transitions. [2021-04-28 23:24:36,931 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7174502712477396 [2021-04-28 23:24:36,931 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1587 transitions. [2021-04-28 23:24:36,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1587 transitions. [2021-04-28 23:24:36,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:24:36,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1587 transitions. [2021-04-28 23:24:36,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 226.71428571428572) internal successors, (1587), 7 states have internal predecessors, (1587), 0 states have call successors, (0), 0 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 23:24:36,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 316.0) internal successors, (2528), 8 states have internal predecessors, (2528), 0 states have call successors, (0), 0 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 23:24:36,949 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 316.0) internal successors, (2528), 8 states have internal predecessors, (2528), 0 states have call successors, (0), 0 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 23:24:36,949 INFO L185 Difference]: Start difference. First operand has 45 places, 48 transitions, 241 flow. Second operand 7 states and 1587 transitions. [2021-04-28 23:24:36,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 76 transitions, 525 flow [2021-04-28 23:24:36,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 76 transitions, 515 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 23:24:36,959 INFO L241 Difference]: Finished difference. Result has 53 places, 67 transitions, 492 flow [2021-04-28 23:24:36,959 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=492, PETRI_PLACES=53, PETRI_TRANSITIONS=67} [2021-04-28 23:24:36,960 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -73 predicate places. [2021-04-28 23:24:36,960 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:24:36,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 67 transitions, 492 flow [2021-04-28 23:24:36,960 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 67 transitions, 492 flow [2021-04-28 23:24:36,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 67 transitions, 492 flow [2021-04-28 23:24:37,126 INFO L129 PetriNetUnfolder]: 406/875 cut-off events. [2021-04-28 23:24:37,126 INFO L130 PetriNetUnfolder]: For 2072/3684 co-relation queries the response was YES. [2021-04-28 23:24:37,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3661 conditions, 875 events. 406/875 cut-off events. For 2072/3684 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 6506 event pairs, 91 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 3645. Up to 656 conditions per place. [2021-04-28 23:24:37,143 INFO L146 LiptonReduction]: Number of co-enabled transitions 536 [2021-04-28 23:24:37,162 INFO L158 LiptonReduction]: Checked pairs total: 88 [2021-04-28 23:24:37,163 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:24:37,163 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 203 [2021-04-28 23:24:37,164 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 67 transitions, 492 flow [2021-04-28 23:24:37,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 218.8) internal successors, (1094), 5 states have internal predecessors, (1094), 0 states have call successors, (0), 0 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 23:24:37,165 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:24:37,165 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:24:37,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 23:24:37,165 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 23:24:37,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:24:37,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1198705247, now seen corresponding path program 1 times [2021-04-28 23:24:37,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:24:37,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674335020] [2021-04-28 23:24:37,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:24:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:24:37,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:37,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:24:37,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:37,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:24:37,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:37,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:24:37,398 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:24:37,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:24:37,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:37,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:24:37,440 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 23:24:37,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674335020] [2021-04-28 23:24:37,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:24:37,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 23:24:37,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338525056] [2021-04-28 23:24:37,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:24:37,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:24:37,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:24:37,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:24:37,446 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 316 [2021-04-28 23:24:37,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 67 transitions, 492 flow. Second operand has 6 states, 6 states have (on average 218.83333333333334) internal successors, (1313), 6 states have internal predecessors, (1313), 0 states have call successors, (0), 0 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 23:24:37,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:24:37,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 316 [2021-04-28 23:24:37,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:24:38,026 INFO L129 PetriNetUnfolder]: 248/645 cut-off events. [2021-04-28 23:24:38,027 INFO L130 PetriNetUnfolder]: For 1740/5488 co-relation queries the response was YES. [2021-04-28 23:24:38,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3347 conditions, 645 events. 248/645 cut-off events. For 1740/5488 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 4571 event pairs, 1 based on Foata normal form. 126/423 useless extension candidates. Maximal degree in co-relation 3329. Up to 548 conditions per place. [2021-04-28 23:24:38,038 INFO L132 encePairwiseOnDemand]: 304/316 looper letters, 2 selfloop transitions, 49 changer transitions 9/77 dead transitions. [2021-04-28 23:24:38,038 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 77 transitions, 690 flow [2021-04-28 23:24:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 23:24:38,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 23:24:38,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2024 transitions. [2021-04-28 23:24:38,053 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7116736990154712 [2021-04-28 23:24:38,053 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2024 transitions. [2021-04-28 23:24:38,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2024 transitions. [2021-04-28 23:24:38,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:24:38,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2024 transitions. [2021-04-28 23:24:38,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 224.88888888888889) internal successors, (2024), 9 states have internal predecessors, (2024), 0 states have call successors, (0), 0 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 23:24:38,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 316.0) internal successors, (3160), 10 states have internal predecessors, (3160), 0 states have call successors, (0), 0 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 23:24:38,079 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 316.0) internal successors, (3160), 10 states have internal predecessors, (3160), 0 states have call successors, (0), 0 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 23:24:38,080 INFO L185 Difference]: Start difference. First operand has 53 places, 67 transitions, 492 flow. Second operand 9 states and 2024 transitions. [2021-04-28 23:24:38,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 77 transitions, 690 flow [2021-04-28 23:24:38,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 77 transitions, 585 flow, removed 40 selfloop flow, removed 4 redundant places. [2021-04-28 23:24:38,104 INFO L241 Difference]: Finished difference. Result has 60 places, 68 transitions, 526 flow [2021-04-28 23:24:38,105 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=526, PETRI_PLACES=60, PETRI_TRANSITIONS=68} [2021-04-28 23:24:38,105 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -66 predicate places. [2021-04-28 23:24:38,105 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:24:38,105 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 68 transitions, 526 flow [2021-04-28 23:24:38,106 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 68 transitions, 526 flow [2021-04-28 23:24:38,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 68 transitions, 526 flow [2021-04-28 23:24:38,204 INFO L129 PetriNetUnfolder]: 194/564 cut-off events. [2021-04-28 23:24:38,204 INFO L130 PetriNetUnfolder]: For 1333/1757 co-relation queries the response was YES. [2021-04-28 23:24:38,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2450 conditions, 564 events. 194/564 cut-off events. For 1333/1757 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 4272 event pairs, 1 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 2432. Up to 225 conditions per place. [2021-04-28 23:24:38,217 INFO L146 LiptonReduction]: Number of co-enabled transitions 502 [2021-04-28 23:24:38,309 INFO L158 LiptonReduction]: Checked pairs total: 220 [2021-04-28 23:24:38,309 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:24:38,310 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 205 [2021-04-28 23:24:38,311 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 68 transitions, 526 flow [2021-04-28 23:24:38,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 218.83333333333334) internal successors, (1313), 6 states have internal predecessors, (1313), 0 states have call successors, (0), 0 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 23:24:38,313 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:24:38,313 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:24:38,313 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 23:24:38,313 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 23:24:38,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:24:38,314 INFO L82 PathProgramCache]: Analyzing trace with hash -151621928, now seen corresponding path program 1 times [2021-04-28 23:24:38,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:24:38,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068687442] [2021-04-28 23:24:38,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:24:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:24:38,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:38,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:24:38,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:38,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:24:38,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:38,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:24:38,521 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 23:24:38,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068687442] [2021-04-28 23:24:38,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:24:38,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:24:38,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200972643] [2021-04-28 23:24:38,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:24:38,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:24:38,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:24:38,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:24:38,527 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 316 [2021-04-28 23:24:38,529 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 68 transitions, 526 flow. Second operand has 4 states, 4 states have (on average 203.25) internal successors, (813), 4 states have internal predecessors, (813), 0 states have call successors, (0), 0 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 23:24:38,530 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:24:38,530 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 316 [2021-04-28 23:24:38,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:24:38,870 INFO L129 PetriNetUnfolder]: 417/1169 cut-off events. [2021-04-28 23:24:38,870 INFO L130 PetriNetUnfolder]: For 2508/3017 co-relation queries the response was YES. [2021-04-28 23:24:38,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5182 conditions, 1169 events. 417/1169 cut-off events. For 2508/3017 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 10181 event pairs, 2 based on Foata normal form. 28/569 useless extension candidates. Maximal degree in co-relation 5162. Up to 495 conditions per place. [2021-04-28 23:24:38,884 INFO L132 encePairwiseOnDemand]: 312/316 looper letters, 3 selfloop transitions, 2 changer transitions 4/71 dead transitions. [2021-04-28 23:24:38,885 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 71 transitions, 552 flow [2021-04-28 23:24:38,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:24:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:24:38,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1020 transitions. [2021-04-28 23:24:38,895 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6455696202531646 [2021-04-28 23:24:38,895 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1020 transitions. [2021-04-28 23:24:38,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1020 transitions. [2021-04-28 23:24:38,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:24:38,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1020 transitions. [2021-04-28 23:24:38,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 204.0) internal successors, (1020), 5 states have internal predecessors, (1020), 0 states have call successors, (0), 0 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 23:24:38,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 316.0) internal successors, (1896), 6 states have internal predecessors, (1896), 0 states have call successors, (0), 0 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 23:24:38,908 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 316.0) internal successors, (1896), 6 states have internal predecessors, (1896), 0 states have call successors, (0), 0 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 23:24:38,909 INFO L185 Difference]: Start difference. First operand has 59 places, 68 transitions, 526 flow. Second operand 5 states and 1020 transitions. [2021-04-28 23:24:38,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 71 transitions, 552 flow [2021-04-28 23:24:38,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 71 transitions, 402 flow, removed 31 selfloop flow, removed 8 redundant places. [2021-04-28 23:24:38,994 INFO L241 Difference]: Finished difference. Result has 57 places, 67 transitions, 383 flow [2021-04-28 23:24:38,994 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=383, PETRI_PLACES=57, PETRI_TRANSITIONS=67} [2021-04-28 23:24:38,994 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -69 predicate places. [2021-04-28 23:24:38,995 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:24:38,995 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 67 transitions, 383 flow [2021-04-28 23:24:38,995 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 67 transitions, 383 flow [2021-04-28 23:24:38,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 67 transitions, 383 flow [2021-04-28 23:24:39,076 INFO L129 PetriNetUnfolder]: 194/563 cut-off events. [2021-04-28 23:24:39,076 INFO L130 PetriNetUnfolder]: For 432/432 co-relation queries the response was YES. [2021-04-28 23:24:39,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1856 conditions, 563 events. 194/563 cut-off events. For 432/432 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 4322 event pairs, 1 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 1840. Up to 225 conditions per place. [2021-04-28 23:24:39,087 INFO L146 LiptonReduction]: Number of co-enabled transitions 332 [2021-04-28 23:24:39,099 INFO L158 LiptonReduction]: Checked pairs total: 74 [2021-04-28 23:24:39,099 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:24:39,099 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-04-28 23:24:39,101 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 67 transitions, 383 flow [2021-04-28 23:24:39,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 203.25) internal successors, (813), 4 states have internal predecessors, (813), 0 states have call successors, (0), 0 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 23:24:39,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:24:39,102 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:24:39,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 23:24:39,103 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 23:24:39,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:24:39,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1845220328, now seen corresponding path program 2 times [2021-04-28 23:24:39,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:24:39,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326565146] [2021-04-28 23:24:39,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:24:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:24:39,406 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.2 percent of original size [2021-04-28 23:24:39,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-28 23:24:39,608 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 23 [2021-04-28 23:24:39,616 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.3 percent of original size [2021-04-28 23:24:39,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-28 23:24:39,856 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 31 [2021-04-28 23:24:39,866 INFO L142 QuantifierPusher]: treesize reduction 31, result has 76.7 percent of original size [2021-04-28 23:24:39,871 INFO L147 QuantifierPusher]: treesize reduction 8, result has 92.2 percent of original size 94 [2021-04-28 23:24:40,093 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 30 [2021-04-28 23:24:40,104 INFO L142 QuantifierPusher]: treesize reduction 31, result has 77.4 percent of original size [2021-04-28 23:24:40,110 INFO L147 QuantifierPusher]: treesize reduction 8, result has 92.5 percent of original size 98 [2021-04-28 23:24:40,369 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2021-04-28 23:24:40,382 INFO L142 QuantifierPusher]: treesize reduction 59, result has 62.2 percent of original size [2021-04-28 23:24:40,387 INFO L147 QuantifierPusher]: treesize reduction 16, result has 83.5 percent of original size 81 [2021-04-28 23:24:40,573 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 26 [2021-04-28 23:24:40,582 INFO L142 QuantifierPusher]: treesize reduction 57, result has 64.8 percent of original size [2021-04-28 23:24:40,587 INFO L147 QuantifierPusher]: treesize reduction 18, result has 82.9 percent of original size 87 [2021-04-28 23:24:40,813 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2021-04-28 23:24:40,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:24:40,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-28 23:24:40,915 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 23:24:40,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326565146] [2021-04-28 23:24:40,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:24:40,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-28 23:24:40,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626532452] [2021-04-28 23:24:40,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-28 23:24:40,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:24:40,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-28 23:24:40,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-28 23:24:40,922 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 316 [2021-04-28 23:24:40,924 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 67 transitions, 383 flow. Second operand has 9 states, 9 states have (on average 176.88888888888889) internal successors, (1592), 9 states have internal predecessors, (1592), 0 states have call successors, (0), 0 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 23:24:40,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:24:40,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 316 [2021-04-28 23:24:40,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:24:41,090 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2021-04-28 23:24:41,808 INFO L129 PetriNetUnfolder]: 521/1449 cut-off events. [2021-04-28 23:24:41,808 INFO L130 PetriNetUnfolder]: For 1707/2140 co-relation queries the response was YES. [2021-04-28 23:24:41,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4946 conditions, 1449 events. 521/1449 cut-off events. For 1707/2140 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 13085 event pairs, 2 based on Foata normal form. 46/742 useless extension candidates. Maximal degree in co-relation 4928. Up to 585 conditions per place. [2021-04-28 23:24:41,828 INFO L132 encePairwiseOnDemand]: 310/316 looper letters, 11 selfloop transitions, 6 changer transitions 4/77 dead transitions. [2021-04-28 23:24:41,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 77 transitions, 473 flow [2021-04-28 23:24:41,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 23:24:41,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 23:24:41,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1076 transitions. [2021-04-28 23:24:41,843 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5675105485232067 [2021-04-28 23:24:41,843 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1076 transitions. [2021-04-28 23:24:41,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1076 transitions. [2021-04-28 23:24:41,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:24:41,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1076 transitions. [2021-04-28 23:24:41,850 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 23:24:41,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 316.0) internal successors, (2212), 7 states have internal predecessors, (2212), 0 states have call successors, (0), 0 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 23:24:41,858 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 316.0) internal successors, (2212), 7 states have internal predecessors, (2212), 0 states have call successors, (0), 0 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 23:24:41,858 INFO L185 Difference]: Start difference. First operand has 54 places, 67 transitions, 383 flow. Second operand 6 states and 1076 transitions. [2021-04-28 23:24:41,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 77 transitions, 473 flow [2021-04-28 23:24:41,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 77 transitions, 465 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-04-28 23:24:41,906 INFO L241 Difference]: Finished difference. Result has 59 places, 69 transitions, 412 flow [2021-04-28 23:24:41,906 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=412, PETRI_PLACES=59, PETRI_TRANSITIONS=69} [2021-04-28 23:24:41,907 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -67 predicate places. [2021-04-28 23:24:41,907 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:24:41,907 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 69 transitions, 412 flow [2021-04-28 23:24:41,907 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 69 transitions, 412 flow [2021-04-28 23:24:41,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 69 transitions, 412 flow [2021-04-28 23:24:42,058 INFO L129 PetriNetUnfolder]: 355/1016 cut-off events. [2021-04-28 23:24:42,059 INFO L130 PetriNetUnfolder]: For 823/835 co-relation queries the response was YES. [2021-04-28 23:24:42,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3359 conditions, 1016 events. 355/1016 cut-off events. For 823/835 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 8758 event pairs, 1 based on Foata normal form. 2/508 useless extension candidates. Maximal degree in co-relation 3340. Up to 405 conditions per place. [2021-04-28 23:24:42,077 INFO L146 LiptonReduction]: Number of co-enabled transitions 360 [2021-04-28 23:24:42,313 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 23:24:42,313 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:24:42,313 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 406 [2021-04-28 23:24:42,314 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 69 transitions, 412 flow [2021-04-28 23:24:42,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 176.88888888888889) internal successors, (1592), 9 states have internal predecessors, (1592), 0 states have call successors, (0), 0 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 23:24:42,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:24:42,316 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:24:42,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 23:24:42,316 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:24:42,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:24:42,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1395132208, now seen corresponding path program 3 times [2021-04-28 23:24:42,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:24:42,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134077162] [2021-04-28 23:24:42,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:24:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:24:42,419 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:24:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:24:42,490 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:24:42,544 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 23:24:42,545 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 23:24:42,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 23:24:42,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 11:24:42 BasicIcfg [2021-04-28 23:24:42,671 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 23:24:42,672 INFO L168 Benchmark]: Toolchain (without parser) took 188419.50 ms. Allocated memory was 302.0 MB in the beginning and 559.9 MB in the end (delta: 257.9 MB). Free memory was 277.0 MB in the beginning and 442.6 MB in the end (delta: -165.6 MB). Peak memory consumption was 93.9 MB. Max. memory is 16.0 GB. [2021-04-28 23:24:42,672 INFO L168 Benchmark]: CDTParser took 1.47 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:24:42,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1055.47 ms. Allocated memory is still 302.0 MB. Free memory was 273.9 MB in the beginning and 275.4 MB in the end (delta: -1.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-04-28 23:24:42,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.86 ms. Allocated memory is still 302.0 MB. Free memory was 275.4 MB in the beginning and 273.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:24:42,673 INFO L168 Benchmark]: Boogie Preprocessor took 61.41 ms. Allocated memory is still 302.0 MB. Free memory was 273.3 MB in the beginning and 270.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:24:42,673 INFO L168 Benchmark]: RCFGBuilder took 3215.16 ms. Allocated memory was 302.0 MB in the beginning and 369.1 MB in the end (delta: 67.1 MB). Free memory was 270.1 MB in the beginning and 256.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 141.9 MB. Max. memory is 16.0 GB. [2021-04-28 23:24:42,673 INFO L168 Benchmark]: TraceAbstraction took 183917.40 ms. Allocated memory was 369.1 MB in the beginning and 559.9 MB in the end (delta: 190.8 MB). Free memory was 255.1 MB in the beginning and 442.6 MB in the end (delta: -187.5 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.0 GB. [2021-04-28 23:24:42,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1055.47 ms. Allocated memory is still 302.0 MB. Free memory was 273.9 MB in the beginning and 275.4 MB in the end (delta: -1.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 112.86 ms. Allocated memory is still 302.0 MB. Free memory was 275.4 MB in the beginning and 273.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 61.41 ms. Allocated memory is still 302.0 MB. Free memory was 273.3 MB in the beginning and 270.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 3215.16 ms. Allocated memory was 302.0 MB in the beginning and 369.1 MB in the end (delta: 67.1 MB). Free memory was 270.1 MB in the beginning and 256.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 141.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 183917.40 ms. Allocated memory was 369.1 MB in the beginning and 559.9 MB in the end (delta: 190.8 MB). Free memory was 255.1 MB in the beginning and 442.6 MB in the end (delta: -187.5 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 170287.5ms, 102 PlacesBefore, 126 PlacesAfterwards, 94 TransitionsBefore, 118 TransitionsAfterwards, 1686 CoEnabledTransitionPairs, 8 FixpointIterations, 138 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 217 TotalNumberOfCompositions, 15061 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3078, positive: 2821, positive conditional: 2821, positive unconditional: 0, negative: 257, negative conditional: 257, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1699, positive: 1650, positive conditional: 0, positive unconditional: 1650, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1699, positive: 1650, positive conditional: 0, positive unconditional: 1650, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1699, positive: 1631, positive conditional: 0, positive unconditional: 1631, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1857, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 1634, negative conditional: 0, negative unconditional: 1634, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3078, positive: 1171, positive conditional: 1171, positive unconditional: 0, negative: 208, negative conditional: 208, negative unconditional: 0, unknown: 1699, unknown conditional: 1699, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1699, Positive cache size: 1650, Positive conditional cache size: 1650, Positive unconditional cache size: 0, Negative cache size: 49, Negative conditional cache size: 49, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 315.1ms, 122 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: 66, positive: 34, positive conditional: 34, 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: 24, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 298, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 298, negative conditional: 0, negative unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 66, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1723, Positive cache size: 1662, Positive conditional cache size: 1662, Positive unconditional cache size: 0, Negative cache size: 61, Negative conditional cache size: 61, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 116.3ms, 51 PlacesBefore, 51 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 1004 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 857 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 93, positive: 64, positive conditional: 64, 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: 23, positive: 21, positive conditional: 3, positive unconditional: 18, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, positive: 21, positive conditional: 3, positive unconditional: 18, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 60, negative conditional: 9, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 93, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1746, Positive cache size: 1683, Positive conditional cache size: 1683, 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: 38.5ms, 53 PlacesBefore, 53 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 1000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 855 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 52, positive conditional: 52, 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: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 81, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1748, Positive cache size: 1683, Positive conditional cache size: 1683, Positive unconditional cache size: 0, Negative cache size: 65, Negative conditional cache size: 65, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.7ms, 55 PlacesBefore, 42 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 452 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 501 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 41, positive conditional: 41, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 23, positive conditional: 10, positive unconditional: 13, 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: 24, positive: 23, positive conditional: 10, positive unconditional: 13, 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: 24, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 68, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1772, Positive cache size: 1706, Positive conditional cache size: 1706, Positive unconditional cache size: 0, Negative cache size: 66, Negative conditional cache size: 66, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.1ms, 44 PlacesBefore, 43 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 362 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 406 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 67, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 48, negative conditional: 11, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1786, Positive cache size: 1718, Positive conditional cache size: 1718, Positive unconditional cache size: 0, Negative cache size: 68, Negative conditional cache size: 68, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 673.9ms, 42 PlacesBefore, 42 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 314 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 728 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 108, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 17, positive conditional: 17, positive unconditional: 0, 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: 18, positive: 17, positive conditional: 17, positive unconditional: 0, 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: 18, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 26, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 108, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 46, negative conditional: 46, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1804, Positive cache size: 1735, Positive conditional cache size: 1735, Positive unconditional cache size: 0, Negative cache size: 69, Negative conditional cache size: 69, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 205.1ms, 41 PlacesBefore, 40 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 330 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 110 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19, positive: 12, positive conditional: 12, 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: 12, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 172, positive: 77, positive conditional: 77, positive unconditional: 0, negative: 95, negative conditional: 52, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 19, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1816, Positive cache size: 1744, Positive conditional cache size: 1744, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 298.7ms, 45 PlacesBefore, 45 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 438 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 74 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 5, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 5, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 20, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1823, Positive cache size: 1751, Positive conditional cache size: 1751, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 202.3ms, 53 PlacesBefore, 53 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 536 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 88 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 7, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 7, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1831, Positive cache size: 1759, Positive conditional cache size: 1759, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 203.3ms, 60 PlacesBefore, 59 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 502 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 220 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 71, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 45, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 45, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 82, negative conditional: 82, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 71, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1876, Positive cache size: 1801, Positive conditional cache size: 1801, Positive unconditional cache size: 0, Negative cache size: 75, Negative conditional cache size: 75, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.7ms, 57 PlacesBefore, 54 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 74 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, 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: 6, positive: 6, positive conditional: 6, 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: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1882, Positive cache size: 1807, Positive conditional cache size: 1807, Positive unconditional cache size: 0, Negative cache size: 75, Negative conditional cache size: 75, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 405.8ms, 59 PlacesBefore, 58 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 360 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): 1882, Positive cache size: 1807, Positive conditional cache size: 1807, Positive unconditional cache size: 0, Negative cache size: 75, Negative conditional cache size: 75, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L718] 0 _Bool x$flush_delayed; [L719] 0 int x$mem_tmp; [L720] 0 _Bool x$r_buff0_thd0; [L721] 0 _Bool x$r_buff0_thd1; [L722] 0 _Bool x$r_buff0_thd2; [L723] 0 _Bool x$r_buff0_thd3; [L724] 0 _Bool x$r_buff1_thd0; [L725] 0 _Bool x$r_buff1_thd1; [L726] 0 _Bool x$r_buff1_thd2; [L727] 0 _Bool x$r_buff1_thd3; [L728] 0 _Bool x$read_delayed; [L729] 0 int *x$read_delayed_var; [L730] 0 int x$w_buff0; [L731] 0 _Bool x$w_buff0_used; [L732] 0 int x$w_buff1; [L733] 0 _Bool x$w_buff1_used; [L735] 0 int y = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L818] 0 pthread_t t1810; [L819] FCALL, FORK 0 pthread_create(&t1810, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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] [L820] 0 pthread_t t1811; [L821] FCALL, FORK 0 pthread_create(&t1811, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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] [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$r_buff0_thd2 = (_Bool)1 [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$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] [L822] 0 pthread_t t1812; [L823] FCALL, FORK 0 pthread_create(&t1812, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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] [L790] 3 __unbuffered_p2_EAX = y [L793] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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=2] [L741] 1 __unbuffered_p0_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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=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=2] [L744] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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=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=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 [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$r_buff1_thd3 [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=2, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$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=2] [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L805] 3 return 0; [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$r_buff1_thd1 [L754] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=2, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$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=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$w_buff0)) [L841] EXPR 0 !x$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] 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$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L842] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1) [L842] EXPR 0 weak$$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] EXPR 0 !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] 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$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L844] EXPR 0 weak$$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] EXPR 0 !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] 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$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L846] EXPR 0 weak$$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$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p0_EAX == 2 && __unbuffered_p2_EAX == 1) [L848] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L848] 0 x = x$flush_delayed ? x$mem_tmp : x [L849] 0 x$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=2, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, 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=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 12.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 183630.2ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 5329.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 170433.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 55 SDtfs, 36 SDslu, 18 SDs, 0 SdLazy, 378 SolverSat, 132 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1303.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2581.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=526occurred in iteration=10, InterpolantAutomatonStates: 56, 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: 70.9ms SsaConstructionTime, 1217.0ms SatisfiabilityAnalysisTime, 3366.3ms InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 1479 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...