/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/safe031_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 00:41:09,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 00:41:09,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 00:41:09,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 00:41:09,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 00:41:09,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 00:41:09,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 00:41:09,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 00:41:09,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 00:41:09,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 00:41:09,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 00:41:09,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 00:41:09,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 00:41:09,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 00:41:09,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 00:41:09,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 00:41:09,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 00:41:09,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 00:41:09,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 00:41:09,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 00:41:09,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 00:41:09,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 00:41:09,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 00:41:09,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 00:41:09,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-29 00:41:09,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-29 00:41:09,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-29 00:41:09,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-29 00:41:09,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-29 00:41:09,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-29 00:41:09,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 00:41:09,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 00:41:09,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 00:41:09,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 00:41:09,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 00:41:09,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 00:41:09,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 00:41:09,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 00:41:09,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 00:41:09,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 00:41:09,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 00:41:09,624 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 [2021-04-29 00:41:09,650 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 00:41:09,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 00:41:09,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 00:41:09,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 00:41:09,653 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 00:41:09,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 00:41:09,653 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 00:41:09,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 00:41:09,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 00:41:09,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 00:41:09,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 00:41:09,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 00:41:09,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 00:41:09,655 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 00:41:09,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 00:41:09,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 00:41:09,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 00:41:09,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 00:41:09,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 00:41:09,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 00:41:09,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 00:41:09,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:41:09,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 00:41:09,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 00:41:09,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 00:41:09,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 00:41:09,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 00:41:09,658 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 00:41:09,659 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 00:41:09,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 00:41:09,659 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 00:41:10,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 00:41:10,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 00:41:10,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 00:41:10,082 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 00:41:10,083 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 00:41:10,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_pso.opt.i [2021-04-29 00:41:10,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029bc0cd0/f5560eabbb8e4c94a9989a2d0daab1db/FLAG8b91ab339 [2021-04-29 00:41:10,979 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 00:41:10,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_pso.opt.i [2021-04-29 00:41:11,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029bc0cd0/f5560eabbb8e4c94a9989a2d0daab1db/FLAG8b91ab339 [2021-04-29 00:41:11,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029bc0cd0/f5560eabbb8e4c94a9989a2d0daab1db [2021-04-29 00:41:11,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 00:41:11,304 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 00:41:11,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 00:41:11,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 00:41:11,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 00:41:11,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:41:11" (1/1) ... [2021-04-29 00:41:11,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6666c7fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:11, skipping insertion in model container [2021-04-29 00:41:11,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:41:11" (1/1) ... [2021-04-29 00:41:11,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 00:41:11,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 00:41:11,544 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/safe031_pso.opt.i[949,962] [2021-04-29 00:41:11,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:41:11,870 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 00:41:11,883 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/safe031_pso.opt.i[949,962] [2021-04-29 00:41:11,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:41:12,046 INFO L208 MainTranslator]: Completed translation [2021-04-29 00:41:12,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:12 WrapperNode [2021-04-29 00:41:12,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 00:41:12,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 00:41:12,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 00:41:12,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 00:41:12,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:12" (1/1) ... [2021-04-29 00:41:12,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:12" (1/1) ... [2021-04-29 00:41:12,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 00:41:12,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 00:41:12,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 00:41:12,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 00:41:12,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:12" (1/1) ... [2021-04-29 00:41:12,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:12" (1/1) ... [2021-04-29 00:41:12,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:12" (1/1) ... [2021-04-29 00:41:12,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:12" (1/1) ... [2021-04-29 00:41:12,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:12" (1/1) ... [2021-04-29 00:41:12,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:12" (1/1) ... [2021-04-29 00:41:12,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:12" (1/1) ... [2021-04-29 00:41:12,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 00:41:12,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 00:41:12,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 00:41:12,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 00:41:12,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:12" (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 [2021-04-29 00:41:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 00:41:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-29 00:41:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 00:41:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 00:41:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-29 00:41:12,268 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-29 00:41:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-29 00:41:12,268 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-29 00:41:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-29 00:41:12,269 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-29 00:41:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 00:41:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-29 00:41:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 00:41:12,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 00:41:12,271 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 00:41:14,306 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 00:41:14,306 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-29 00:41:14,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:41:14 BoogieIcfgContainer [2021-04-29 00:41:14,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 00:41:14,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 00:41:14,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 00:41:14,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 00:41:14,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 12:41:11" (1/3) ... [2021-04-29 00:41:14,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0faf27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:41:14, skipping insertion in model container [2021-04-29 00:41:14,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:12" (2/3) ... [2021-04-29 00:41:14,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0faf27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:41:14, skipping insertion in model container [2021-04-29 00:41:14,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:41:14" (3/3) ... [2021-04-29 00:41:14,321 INFO L111 eAbstractionObserver]: Analyzing ICFG safe031_pso.opt.i [2021-04-29 00:41:14,329 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 00:41:14,335 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-29 00:41:14,336 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 00:41:14,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,373 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,373 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,374 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,374 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,376 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,376 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,377 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,377 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,377 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,378 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,378 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,378 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,378 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,382 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,382 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,383 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,383 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,383 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,384 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,384 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,385 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,385 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,389 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,389 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,389 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,392 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,392 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,394 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,395 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,399 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,399 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,399 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:14,402 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 00:41:14,427 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-29 00:41:14,455 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 00:41:14,456 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 00:41:14,456 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 00:41:14,456 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 00:41:14,456 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 00:41:14,456 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 00:41:14,456 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 00:41:14,456 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 00:41:14,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 207 flow [2021-04-29 00:41:14,520 INFO L129 PetriNetUnfolder]: 2/93 cut-off events. [2021-04-29 00:41:14,520 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:41:14,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 93 events. 2/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-29 00:41:14,525 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 96 transitions, 207 flow [2021-04-29 00:41:14,531 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 93 transitions, 195 flow [2021-04-29 00:41:14,533 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:41:14,551 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 93 transitions, 195 flow [2021-04-29 00:41:14,555 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 93 transitions, 195 flow [2021-04-29 00:41:14,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 93 transitions, 195 flow [2021-04-29 00:41:14,582 INFO L129 PetriNetUnfolder]: 2/93 cut-off events. [2021-04-29 00:41:14,582 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:41:14,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 93 events. 2/93 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. 0/89 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-29 00:41:14,587 INFO L146 LiptonReduction]: Number of co-enabled transitions 1578 [2021-04-29 00:41:17,434 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-29 00:41:17,536 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-29 00:41:17,979 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-29 00:41:18,150 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 00:41:19,639 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-29 00:41:20,109 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-04-29 00:41:22,174 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-29 00:41:23,054 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-04-29 00:41:26,240 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-29 00:41:26,750 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:41:28,805 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-29 00:41:29,750 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-04-29 00:41:30,873 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:41:31,346 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-29 00:41:33,515 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:41:34,507 WARN L205 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:41:35,628 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-29 00:41:36,117 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-04-29 00:41:38,367 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-29 00:41:39,435 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-29 00:41:42,702 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-29 00:41:43,237 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-29 00:41:45,728 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-29 00:41:46,905 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-29 00:41:48,273 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-29 00:41:48,874 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-29 00:41:51,568 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-29 00:41:52,990 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-29 00:41:54,674 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:41:55,424 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-29 00:41:58,724 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:42:00,258 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:42:01,968 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-29 00:42:02,800 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-29 00:42:06,438 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-29 00:42:08,063 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-29 00:42:11,905 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:42:12,010 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:42:12,118 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:42:12,223 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:42:12,339 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:42:12,455 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:42:12,562 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:42:12,670 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:42:13,063 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:42:13,261 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:42:13,372 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:42:13,480 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:42:13,584 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:42:13,686 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:42:14,298 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:42:17,028 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-29 00:42:17,878 WARN L205 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-29 00:42:21,556 WARN L205 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-29 00:42:23,242 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-29 00:42:25,269 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:42:26,235 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-29 00:42:30,222 WARN L205 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:42:32,174 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:42:34,422 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-29 00:42:35,491 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 184 [2021-04-29 00:42:39,779 WARN L205 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-29 00:42:41,814 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-29 00:42:42,842 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-29 00:42:42,947 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-29 00:42:43,050 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-29 00:42:43,158 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-29 00:42:43,356 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-29 00:42:45,516 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:42:45,667 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:42:45,830 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:42:45,989 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:42:46,196 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:42:46,422 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:42:46,634 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:42:46,839 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:42:47,018 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:42:47,195 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:42:47,376 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:42:47,567 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:42:47,771 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:42:47,970 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:42:48,168 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:42:48,360 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:42:48,529 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:42:48,700 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:42:48,874 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:42:49,044 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:42:49,246 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:42:49,446 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:42:49,637 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:42:49,825 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:42:49,979 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:42:50,137 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:42:50,295 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:42:50,445 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:42:50,612 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:42:50,784 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:42:50,967 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:42:51,143 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:42:51,360 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:42:51,578 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:42:51,798 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:42:52,023 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:42:52,205 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:42:52,376 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:42:52,547 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:42:52,720 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:42:53,249 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 00:42:53,397 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 00:42:53,556 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 00:42:53,722 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 00:42:54,255 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 00:42:54,416 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 00:42:54,588 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 00:42:54,744 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 00:42:56,200 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:42:56,376 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:42:56,533 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:42:56,709 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:42:56,940 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:42:57,157 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:42:57,377 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:42:57,612 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:42:57,890 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:42:58,176 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:42:58,459 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:42:58,719 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:42:58,982 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:42:59,236 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:42:59,488 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:42:59,733 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:42:59,952 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:43:00,161 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:43:00,374 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:43:00,585 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:43:00,820 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:43:01,069 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:43:01,306 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:43:01,557 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:43:01,749 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:01,917 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:02,086 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:02,256 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:02,549 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:02,817 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:03,106 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:03,390 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:03,679 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:43:03,959 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:43:04,224 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:43:04,498 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:43:04,785 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:05,078 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:05,353 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:05,624 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:05,814 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:06,001 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:06,213 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:06,399 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:06,681 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:06,973 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:07,243 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:07,518 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:07,691 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:07,871 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:08,031 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:08,191 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:09,021 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-29 00:43:09,437 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 00:43:10,255 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-29 00:43:10,645 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 00:43:11,423 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-29 00:43:11,771 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 00:43:12,615 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-29 00:43:13,001 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 00:43:13,295 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:13,587 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:13,880 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:14,168 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:14,217 INFO L158 LiptonReduction]: Checked pairs total: 15276 [2021-04-29 00:43:14,217 INFO L160 LiptonReduction]: Total number of compositions: 225 [2021-04-29 00:43:14,222 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 119690 [2021-04-29 00:43:14,249 INFO L129 PetriNetUnfolder]: 1/79 cut-off events. [2021-04-29 00:43:14,249 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:43:14,249 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:14,250 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:14,251 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:14,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:14,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1999319904, now seen corresponding path program 1 times [2021-04-29 00:43:14,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:14,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132128368] [2021-04-29 00:43:14,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:14,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:14,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:14,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:14,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132128368] [2021-04-29 00:43:14,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:14,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:43:14,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519767686] [2021-04-29 00:43:14,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:43:14,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:14,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:43:14,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:43:14,704 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 321 [2021-04-29 00:43:14,714 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 119 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:14,714 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:14,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 321 [2021-04-29 00:43:14,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:15,232 INFO L129 PetriNetUnfolder]: 114/367 cut-off events. [2021-04-29 00:43:15,232 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:43:15,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 604 conditions, 367 events. 114/367 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 2411 event pairs, 48 based on Foata normal form. 6/163 useless extension candidates. Maximal degree in co-relation 536. Up to 167 conditions per place. [2021-04-29 00:43:15,238 INFO L132 encePairwiseOnDemand]: 304/321 looper letters, 7 selfloop transitions, 2 changer transitions 90/131 dead transitions. [2021-04-29 00:43:15,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 131 transitions, 365 flow [2021-04-29 00:43:15,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:43:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:43:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 749 transitions. [2021-04-29 00:43:15,262 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2021-04-29 00:43:15,263 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 749 transitions. [2021-04-29 00:43:15,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 749 transitions. [2021-04-29 00:43:15,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:15,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 749 transitions. [2021-04-29 00:43:15,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2021-04-29 00:43:15,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:15,292 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:15,294 INFO L185 Difference]: Start difference. First operand has 127 places, 119 transitions, 247 flow. Second operand 3 states and 749 transitions. [2021-04-29 00:43:15,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 131 transitions, 365 flow [2021-04-29 00:43:15,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 131 transitions, 362 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 00:43:15,303 INFO L241 Difference]: Finished difference. Result has 123 places, 38 transitions, 86 flow [2021-04-29 00:43:15,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=123, PETRI_TRANSITIONS=38} [2021-04-29 00:43:15,308 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -4 predicate places. [2021-04-29 00:43:15,308 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:15,308 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 38 transitions, 86 flow [2021-04-29 00:43:15,309 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 38 transitions, 86 flow [2021-04-29 00:43:15,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 38 transitions, 86 flow [2021-04-29 00:43:15,316 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-04-29 00:43:15,316 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:43:15,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 129 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 00:43:15,317 INFO L146 LiptonReduction]: Number of co-enabled transitions 822 [2021-04-29 00:43:15,600 INFO L158 LiptonReduction]: Checked pairs total: 790 [2021-04-29 00:43:15,600 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:15,601 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 293 [2021-04-29 00:43:15,603 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 86 flow [2021-04-29 00:43:15,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:15,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:15,604 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:15,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 00:43:15,604 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:15,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:15,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1495961509, now seen corresponding path program 1 times [2021-04-29 00:43:15,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:15,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099228750] [2021-04-29 00:43:15,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:15,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:15,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:15,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:15,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099228750] [2021-04-29 00:43:15,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:15,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:43:15,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001413129] [2021-04-29 00:43:15,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:43:15,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:15,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:43:15,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:43:15,759 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 321 [2021-04-29 00:43:15,761 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 251.66666666666666) internal successors, (755), 3 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:15,761 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:15,761 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 321 [2021-04-29 00:43:15,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:15,788 INFO L129 PetriNetUnfolder]: 3/52 cut-off events. [2021-04-29 00:43:15,788 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:43:15,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 52 events. 3/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 166 event pairs, 1 based on Foata normal form. 1/32 useless extension candidates. Maximal degree in co-relation 64. Up to 10 conditions per place. [2021-04-29 00:43:15,789 INFO L132 encePairwiseOnDemand]: 317/321 looper letters, 3 selfloop transitions, 3 changer transitions 0/40 dead transitions. [2021-04-29 00:43:15,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 40 transitions, 102 flow [2021-04-29 00:43:15,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:43:15,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:43:15,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 760 transitions. [2021-04-29 00:43:15,796 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7892004153686397 [2021-04-29 00:43:15,796 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 760 transitions. [2021-04-29 00:43:15,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 760 transitions. [2021-04-29 00:43:15,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:15,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 760 transitions. [2021-04-29 00:43:15,800 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) [2021-04-29 00:43:15,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:15,806 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:15,806 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 86 flow. Second operand 3 states and 760 transitions. [2021-04-29 00:43:15,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 40 transitions, 102 flow [2021-04-29 00:43:15,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 40 transitions, 98 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:43:15,809 INFO L241 Difference]: Finished difference. Result has 48 places, 40 transitions, 101 flow [2021-04-29 00:43:15,809 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=101, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2021-04-29 00:43:15,809 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -79 predicate places. [2021-04-29 00:43:15,810 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:15,810 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 40 transitions, 101 flow [2021-04-29 00:43:15,810 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 40 transitions, 101 flow [2021-04-29 00:43:15,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 40 transitions, 101 flow [2021-04-29 00:43:15,823 INFO L129 PetriNetUnfolder]: 3/52 cut-off events. [2021-04-29 00:43:15,823 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:43:15,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 52 events. 3/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 182 event pairs, 1 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 65. Up to 10 conditions per place. [2021-04-29 00:43:15,825 INFO L146 LiptonReduction]: Number of co-enabled transitions 888 [2021-04-29 00:43:15,855 INFO L158 LiptonReduction]: Checked pairs total: 736 [2021-04-29 00:43:15,855 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:15,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-04-29 00:43:15,857 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 101 flow [2021-04-29 00:43:15,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 251.66666666666666) internal successors, (755), 3 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:15,859 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:15,859 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:15,859 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 00:43:15,859 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:15,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:15,860 INFO L82 PathProgramCache]: Analyzing trace with hash 764555448, now seen corresponding path program 1 times [2021-04-29 00:43:15,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:15,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865653446] [2021-04-29 00:43:15,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:16,069 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.2 percent of original size [2021-04-29 00:43:16,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 00:43:16,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:16,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 00:43:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:16,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865653446] [2021-04-29 00:43:16,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:16,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:43:16,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755932411] [2021-04-29 00:43:16,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:43:16,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:16,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:43:16,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:43:16,173 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 321 [2021-04-29 00:43:16,175 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 101 flow. Second operand has 4 states, 4 states have (on average 176.75) internal successors, (707), 4 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:16,175 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:16,175 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 321 [2021-04-29 00:43:16,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:16,308 INFO L129 PetriNetUnfolder]: 49/150 cut-off events. [2021-04-29 00:43:16,308 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-29 00:43:16,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 150 events. 49/150 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 690 event pairs, 25 based on Foata normal form. 2/107 useless extension candidates. Maximal degree in co-relation 264. Up to 74 conditions per place. [2021-04-29 00:43:16,311 INFO L132 encePairwiseOnDemand]: 317/321 looper letters, 8 selfloop transitions, 3 changer transitions 0/44 dead transitions. [2021-04-29 00:43:16,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 44 transitions, 131 flow [2021-04-29 00:43:16,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:43:16,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:43:16,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 540 transitions. [2021-04-29 00:43:16,317 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5607476635514018 [2021-04-29 00:43:16,317 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 540 transitions. [2021-04-29 00:43:16,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 540 transitions. [2021-04-29 00:43:16,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:16,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 540 transitions. [2021-04-29 00:43:16,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:16,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:16,324 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:16,324 INFO L185 Difference]: Start difference. First operand has 48 places, 40 transitions, 101 flow. Second operand 3 states and 540 transitions. [2021-04-29 00:43:16,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 44 transitions, 131 flow [2021-04-29 00:43:16,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 44 transitions, 128 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:43:16,327 INFO L241 Difference]: Finished difference. Result has 50 places, 42 transitions, 117 flow [2021-04-29 00:43:16,327 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=50, PETRI_TRANSITIONS=42} [2021-04-29 00:43:16,327 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -77 predicate places. [2021-04-29 00:43:16,327 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:16,328 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 42 transitions, 117 flow [2021-04-29 00:43:16,328 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 42 transitions, 117 flow [2021-04-29 00:43:16,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 42 transitions, 117 flow [2021-04-29 00:43:16,341 INFO L129 PetriNetUnfolder]: 7/70 cut-off events. [2021-04-29 00:43:16,341 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-29 00:43:16,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 70 events. 7/70 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 298 event pairs, 3 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 101. Up to 15 conditions per place. [2021-04-29 00:43:16,344 INFO L146 LiptonReduction]: Number of co-enabled transitions 950 [2021-04-29 00:43:16,520 INFO L158 LiptonReduction]: Checked pairs total: 530 [2021-04-29 00:43:16,520 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:16,520 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 193 [2021-04-29 00:43:16,522 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 42 transitions, 117 flow [2021-04-29 00:43:16,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 176.75) internal successors, (707), 4 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:16,524 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:16,524 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:16,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 00:43:16,524 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:16,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:16,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1193003339, now seen corresponding path program 1 times [2021-04-29 00:43:16,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:16,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852170797] [2021-04-29 00:43:16,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:16,677 INFO L142 QuantifierPusher]: treesize reduction 47, result has 27.7 percent of original size [2021-04-29 00:43:16,679 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-04-29 00:43:16,730 INFO L142 QuantifierPusher]: treesize reduction 12, result has 86.5 percent of original size [2021-04-29 00:43:16,734 INFO L147 QuantifierPusher]: treesize reduction 16, result has 79.2 percent of original size 61 [2021-04-29 00:43:16,856 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 20 [2021-04-29 00:43:16,861 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-29 00:43:16,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 00:43:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:16,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852170797] [2021-04-29 00:43:16,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:16,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:43:16,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945997907] [2021-04-29 00:43:16,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:43:16,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:16,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:43:16,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:43:16,935 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 321 [2021-04-29 00:43:16,937 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 117 flow. Second operand has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:16,937 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:16,937 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 321 [2021-04-29 00:43:16,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:17,148 INFO L129 PetriNetUnfolder]: 40/153 cut-off events. [2021-04-29 00:43:17,148 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-04-29 00:43:17,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 153 events. 40/153 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 746 event pairs, 5 based on Foata normal form. 4/106 useless extension candidates. Maximal degree in co-relation 276. Up to 49 conditions per place. [2021-04-29 00:43:17,151 INFO L132 encePairwiseOnDemand]: 316/321 looper letters, 10 selfloop transitions, 5 changer transitions 0/48 dead transitions. [2021-04-29 00:43:17,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 48 transitions, 161 flow [2021-04-29 00:43:17,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:43:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:43:17,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 704 transitions. [2021-04-29 00:43:17,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5482866043613707 [2021-04-29 00:43:17,158 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 704 transitions. [2021-04-29 00:43:17,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 704 transitions. [2021-04-29 00:43:17,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:17,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 704 transitions. [2021-04-29 00:43:17,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:17,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:17,166 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:17,167 INFO L185 Difference]: Start difference. First operand has 50 places, 42 transitions, 117 flow. Second operand 4 states and 704 transitions. [2021-04-29 00:43:17,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 48 transitions, 161 flow [2021-04-29 00:43:17,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 48 transitions, 158 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:43:17,173 INFO L241 Difference]: Finished difference. Result has 54 places, 44 transitions, 145 flow [2021-04-29 00:43:17,173 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=145, PETRI_PLACES=54, PETRI_TRANSITIONS=44} [2021-04-29 00:43:17,173 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -73 predicate places. [2021-04-29 00:43:17,173 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:17,173 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 44 transitions, 145 flow [2021-04-29 00:43:17,174 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 44 transitions, 145 flow [2021-04-29 00:43:17,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 44 transitions, 145 flow [2021-04-29 00:43:17,192 INFO L129 PetriNetUnfolder]: 14/78 cut-off events. [2021-04-29 00:43:17,192 INFO L130 PetriNetUnfolder]: For 39/40 co-relation queries the response was YES. [2021-04-29 00:43:17,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 78 events. 14/78 cut-off events. For 39/40 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 321 event pairs, 1 based on Foata normal form. 1/52 useless extension candidates. Maximal degree in co-relation 149. Up to 21 conditions per place. [2021-04-29 00:43:17,197 INFO L146 LiptonReduction]: Number of co-enabled transitions 1018 [2021-04-29 00:43:17,280 INFO L158 LiptonReduction]: Checked pairs total: 427 [2021-04-29 00:43:17,280 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:17,280 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-04-29 00:43:17,282 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 145 flow [2021-04-29 00:43:17,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:17,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:17,283 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:17,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 00:43:17,284 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:17,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:17,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1000450551, now seen corresponding path program 1 times [2021-04-29 00:43:17,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:17,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278366264] [2021-04-29 00:43:17,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:17,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:17,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:43:17,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:17,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:17,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:17,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278366264] [2021-04-29 00:43:17,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:17,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:43:17,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299418161] [2021-04-29 00:43:17,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:43:17,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:17,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:43:17,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:43:17,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 321 [2021-04-29 00:43:17,377 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 145 flow. Second operand has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:17,377 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:17,377 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 321 [2021-04-29 00:43:17,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:17,415 INFO L129 PetriNetUnfolder]: 6/85 cut-off events. [2021-04-29 00:43:17,416 INFO L130 PetriNetUnfolder]: For 105/132 co-relation queries the response was YES. [2021-04-29 00:43:17,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 85 events. 6/85 cut-off events. For 105/132 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 369 event pairs, 1 based on Foata normal form. 7/58 useless extension candidates. Maximal degree in co-relation 151. Up to 17 conditions per place. [2021-04-29 00:43:17,417 INFO L132 encePairwiseOnDemand]: 318/321 looper letters, 3 selfloop transitions, 3 changer transitions 1/44 dead transitions. [2021-04-29 00:43:17,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 44 transitions, 157 flow [2021-04-29 00:43:17,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:43:17,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:43:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2021-04-29 00:43:17,424 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7881619937694704 [2021-04-29 00:43:17,424 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 759 transitions. [2021-04-29 00:43:17,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 759 transitions. [2021-04-29 00:43:17,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:17,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 759 transitions. [2021-04-29 00:43:17,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 253.0) internal successors, (759), 3 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:17,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:17,431 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:17,432 INFO L185 Difference]: Start difference. First operand has 54 places, 44 transitions, 145 flow. Second operand 3 states and 759 transitions. [2021-04-29 00:43:17,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 44 transitions, 157 flow [2021-04-29 00:43:17,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 44 transitions, 149 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-29 00:43:17,434 INFO L241 Difference]: Finished difference. Result has 55 places, 43 transitions, 146 flow [2021-04-29 00:43:17,435 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=55, PETRI_TRANSITIONS=43} [2021-04-29 00:43:17,435 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -72 predicate places. [2021-04-29 00:43:17,435 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:17,435 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 43 transitions, 146 flow [2021-04-29 00:43:17,436 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 43 transitions, 146 flow [2021-04-29 00:43:17,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 43 transitions, 146 flow [2021-04-29 00:43:17,450 INFO L129 PetriNetUnfolder]: 6/81 cut-off events. [2021-04-29 00:43:17,450 INFO L130 PetriNetUnfolder]: For 55/62 co-relation queries the response was YES. [2021-04-29 00:43:17,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 81 events. 6/81 cut-off events. For 55/62 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 364 event pairs, 0 based on Foata normal form. 1/50 useless extension candidates. Maximal degree in co-relation 142. Up to 17 conditions per place. [2021-04-29 00:43:17,453 INFO L146 LiptonReduction]: Number of co-enabled transitions 968 [2021-04-29 00:43:17,566 INFO L158 LiptonReduction]: Checked pairs total: 413 [2021-04-29 00:43:17,566 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:17,566 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 131 [2021-04-29 00:43:17,567 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 43 transitions, 146 flow [2021-04-29 00:43:17,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:17,568 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:17,569 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:17,569 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 00:43:17,569 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:17,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:17,569 INFO L82 PathProgramCache]: Analyzing trace with hash 915276474, now seen corresponding path program 1 times [2021-04-29 00:43:17,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:17,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268281087] [2021-04-29 00:43:17,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:17,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:17,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:17,704 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:43:17,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:43:17,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:17,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:43:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:17,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268281087] [2021-04-29 00:43:17,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:17,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:43:17,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902773527] [2021-04-29 00:43:17,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:43:17,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:17,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:43:17,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:43:17,740 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 321 [2021-04-29 00:43:17,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 43 transitions, 146 flow. Second operand has 4 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:17,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:17,742 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 321 [2021-04-29 00:43:17,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:18,906 INFO L129 PetriNetUnfolder]: 4975/8093 cut-off events. [2021-04-29 00:43:18,906 INFO L130 PetriNetUnfolder]: For 796/901 co-relation queries the response was YES. [2021-04-29 00:43:18,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16476 conditions, 8093 events. 4975/8093 cut-off events. For 796/901 co-relation queries the response was YES. Maximal size of possible extension queue 1668. Compared 68824 event pairs, 2229 based on Foata normal form. 184/2275 useless extension candidates. Maximal degree in co-relation 16461. Up to 5185 conditions per place. [2021-04-29 00:43:18,978 INFO L132 encePairwiseOnDemand]: 304/321 looper letters, 28 selfloop transitions, 27 changer transitions 0/78 dead transitions. [2021-04-29 00:43:18,978 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 78 transitions, 326 flow [2021-04-29 00:43:18,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:43:18,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:43:18,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1244 transitions. [2021-04-29 00:43:18,986 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7750778816199377 [2021-04-29 00:43:18,986 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1244 transitions. [2021-04-29 00:43:18,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1244 transitions. [2021-04-29 00:43:18,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:18,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1244 transitions. [2021-04-29 00:43:18,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 248.8) internal successors, (1244), 5 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:18,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:18,999 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:19,000 INFO L185 Difference]: Start difference. First operand has 54 places, 43 transitions, 146 flow. Second operand 5 states and 1244 transitions. [2021-04-29 00:43:19,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 78 transitions, 326 flow [2021-04-29 00:43:19,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 78 transitions, 321 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-29 00:43:19,010 INFO L241 Difference]: Finished difference. Result has 60 places, 68 transitions, 342 flow [2021-04-29 00:43:19,010 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=342, PETRI_PLACES=60, PETRI_TRANSITIONS=68} [2021-04-29 00:43:19,011 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -67 predicate places. [2021-04-29 00:43:19,011 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:19,011 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 68 transitions, 342 flow [2021-04-29 00:43:19,011 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 68 transitions, 342 flow [2021-04-29 00:43:19,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 68 transitions, 342 flow [2021-04-29 00:43:19,934 INFO L129 PetriNetUnfolder]: 4299/7199 cut-off events. [2021-04-29 00:43:19,935 INFO L130 PetriNetUnfolder]: For 2746/7812 co-relation queries the response was YES. [2021-04-29 00:43:19,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20647 conditions, 7199 events. 4299/7199 cut-off events. For 2746/7812 co-relation queries the response was YES. Maximal size of possible extension queue 1648. Compared 64850 event pairs, 2027 based on Foata normal form. 14/2091 useless extension candidates. Maximal degree in co-relation 20630. Up to 6611 conditions per place. [2021-04-29 00:43:20,051 INFO L146 LiptonReduction]: Number of co-enabled transitions 1348 [2021-04-29 00:43:20,360 INFO L158 LiptonReduction]: Checked pairs total: 703 [2021-04-29 00:43:20,360 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:20,361 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1350 [2021-04-29 00:43:20,365 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 68 transitions, 342 flow [2021-04-29 00:43:20,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:20,366 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:20,366 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:20,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 00:43:20,366 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:20,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:20,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1439552818, now seen corresponding path program 1 times [2021-04-29 00:43:20,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:20,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261659950] [2021-04-29 00:43:20,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:20,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:20,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:20,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:20,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:20,528 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:43:20,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:43:20,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:20,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:43:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:20,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261659950] [2021-04-29 00:43:20,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:20,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:43:20,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450507961] [2021-04-29 00:43:20,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:43:20,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:20,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:43:20,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:43:20,565 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 321 [2021-04-29 00:43:20,567 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 68 transitions, 342 flow. Second operand has 5 states, 5 states have (on average 238.8) internal successors, (1194), 5 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:20,567 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:20,567 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 321 [2021-04-29 00:43:20,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:22,296 INFO L129 PetriNetUnfolder]: 4657/8537 cut-off events. [2021-04-29 00:43:22,296 INFO L130 PetriNetUnfolder]: For 4137/30702 co-relation queries the response was YES. [2021-04-29 00:43:22,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32522 conditions, 8537 events. 4657/8537 cut-off events. For 4137/30702 co-relation queries the response was YES. Maximal size of possible extension queue 2133. Compared 80078 event pairs, 468 based on Foata normal form. 237/2862 useless extension candidates. Maximal degree in co-relation 32503. Up to 7712 conditions per place. [2021-04-29 00:43:22,485 INFO L132 encePairwiseOnDemand]: 304/321 looper letters, 20 selfloop transitions, 52 changer transitions 9/104 dead transitions. [2021-04-29 00:43:22,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 104 transitions, 699 flow [2021-04-29 00:43:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:43:22,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:43:22,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1744 transitions. [2021-04-29 00:43:22,495 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7761459724076547 [2021-04-29 00:43:22,496 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1744 transitions. [2021-04-29 00:43:22,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1744 transitions. [2021-04-29 00:43:22,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:22,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1744 transitions. [2021-04-29 00:43:22,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 249.14285714285714) internal successors, (1744), 7 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:22,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:22,511 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:22,511 INFO L185 Difference]: Start difference. First operand has 60 places, 68 transitions, 342 flow. Second operand 7 states and 1744 transitions. [2021-04-29 00:43:22,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 104 transitions, 699 flow [2021-04-29 00:43:22,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 104 transitions, 699 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 00:43:22,547 INFO L241 Difference]: Finished difference. Result has 69 places, 93 transitions, 679 flow [2021-04-29 00:43:22,547 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=679, PETRI_PLACES=69, PETRI_TRANSITIONS=93} [2021-04-29 00:43:22,547 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -58 predicate places. [2021-04-29 00:43:22,547 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:22,547 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 93 transitions, 679 flow [2021-04-29 00:43:22,548 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 93 transitions, 679 flow [2021-04-29 00:43:22,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 93 transitions, 679 flow [2021-04-29 00:43:23,307 INFO L129 PetriNetUnfolder]: 2803/5864 cut-off events. [2021-04-29 00:43:23,307 INFO L130 PetriNetUnfolder]: For 11978/35251 co-relation queries the response was YES. [2021-04-29 00:43:23,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25027 conditions, 5864 events. 2803/5864 cut-off events. For 11978/35251 co-relation queries the response was YES. Maximal size of possible extension queue 1470. Compared 61797 event pairs, 432 based on Foata normal form. 10/1710 useless extension candidates. Maximal degree in co-relation 25005. Up to 5210 conditions per place. [2021-04-29 00:43:23,451 INFO L146 LiptonReduction]: Number of co-enabled transitions 1632 [2021-04-29 00:43:23,570 INFO L158 LiptonReduction]: Checked pairs total: 1275 [2021-04-29 00:43:23,570 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:23,570 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1023 [2021-04-29 00:43:23,571 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 93 transitions, 679 flow [2021-04-29 00:43:23,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 238.8) internal successors, (1194), 5 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:23,572 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:23,572 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:23,572 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 00:43:23,573 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:23,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:23,573 INFO L82 PathProgramCache]: Analyzing trace with hash -126488390, now seen corresponding path program 1 times [2021-04-29 00:43:23,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:23,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120721781] [2021-04-29 00:43:23,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:23,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:23,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:23,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:23,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:23,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:23,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:23,685 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:43:23,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:43:23,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:23,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:43:23,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:23,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120721781] [2021-04-29 00:43:23,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:23,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:43:23,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336916296] [2021-04-29 00:43:23,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:43:23,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:23,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:43:23,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:43:23,729 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 321 [2021-04-29 00:43:23,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 93 transitions, 679 flow. Second operand has 6 states, 6 states have (on average 238.83333333333334) internal successors, (1433), 6 states have internal predecessors, (1433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:23,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:23,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 321 [2021-04-29 00:43:23,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:25,162 INFO L129 PetriNetUnfolder]: 2506/5783 cut-off events. [2021-04-29 00:43:25,162 INFO L130 PetriNetUnfolder]: For 10645/94684 co-relation queries the response was YES. [2021-04-29 00:43:25,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30041 conditions, 5783 events. 2506/5783 cut-off events. For 10645/94684 co-relation queries the response was YES. Maximal size of possible extension queue 1581. Compared 62869 event pairs, 0 based on Foata normal form. 219/1845 useless extension candidates. Maximal degree in co-relation 30017. Up to 5138 conditions per place. [2021-04-29 00:43:25,223 INFO L132 encePairwiseOnDemand]: 304/321 looper letters, 5 selfloop transitions, 67 changer transitions 17/112 dead transitions. [2021-04-29 00:43:25,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 112 transitions, 979 flow [2021-04-29 00:43:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:43:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:43:25,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2226 transitions. [2021-04-29 00:43:25,235 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.770508826583593 [2021-04-29 00:43:25,235 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2226 transitions. [2021-04-29 00:43:25,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2226 transitions. [2021-04-29 00:43:25,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:25,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2226 transitions. [2021-04-29 00:43:25,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 247.33333333333334) internal successors, (2226), 9 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:25,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 321.0) internal successors, (3210), 10 states have internal predecessors, (3210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:25,254 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 321.0) internal successors, (3210), 10 states have internal predecessors, (3210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:25,254 INFO L185 Difference]: Start difference. First operand has 69 places, 93 transitions, 679 flow. Second operand 9 states and 2226 transitions. [2021-04-29 00:43:25,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 112 transitions, 979 flow [2021-04-29 00:43:25,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 112 transitions, 838 flow, removed 46 selfloop flow, removed 4 redundant places. [2021-04-29 00:43:25,917 INFO L241 Difference]: Finished difference. Result has 76 places, 93 transitions, 720 flow [2021-04-29 00:43:25,917 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=539, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=720, PETRI_PLACES=76, PETRI_TRANSITIONS=93} [2021-04-29 00:43:25,918 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -51 predicate places. [2021-04-29 00:43:25,918 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:25,918 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 93 transitions, 720 flow [2021-04-29 00:43:25,918 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 93 transitions, 720 flow [2021-04-29 00:43:25,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 93 transitions, 720 flow [2021-04-29 00:43:26,336 INFO L129 PetriNetUnfolder]: 1489/3893 cut-off events. [2021-04-29 00:43:26,336 INFO L130 PetriNetUnfolder]: For 24543/34973 co-relation queries the response was YES. [2021-04-29 00:43:26,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16801 conditions, 3893 events. 1489/3893 cut-off events. For 24543/34973 co-relation queries the response was YES. Maximal size of possible extension queue 1396. Compared 45355 event pairs, 0 based on Foata normal form. 1/1044 useless extension candidates. Maximal degree in co-relation 16777. Up to 2970 conditions per place. [2021-04-29 00:43:26,425 INFO L146 LiptonReduction]: Number of co-enabled transitions 1562 [2021-04-29 00:43:26,759 INFO L158 LiptonReduction]: Checked pairs total: 1215 [2021-04-29 00:43:26,759 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:26,760 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 842 [2021-04-29 00:43:26,761 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 93 transitions, 720 flow [2021-04-29 00:43:26,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 238.83333333333334) internal successors, (1433), 6 states have internal predecessors, (1433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:26,762 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:26,762 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:26,762 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 00:43:26,762 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:26,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:26,763 INFO L82 PathProgramCache]: Analyzing trace with hash 5748435, now seen corresponding path program 1 times [2021-04-29 00:43:26,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:26,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909555003] [2021-04-29 00:43:26,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:26,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:26,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:26,937 INFO L142 QuantifierPusher]: treesize reduction 7, result has 58.8 percent of original size [2021-04-29 00:43:26,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:43:26,963 INFO L142 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size [2021-04-29 00:43:26,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:43:26,998 INFO L142 QuantifierPusher]: treesize reduction 12, result has 55.6 percent of original size [2021-04-29 00:43:27,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 00:43:27,039 INFO L142 QuantifierPusher]: treesize reduction 12, result has 55.6 percent of original size [2021-04-29 00:43:27,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 00:43:27,081 INFO L142 QuantifierPusher]: treesize reduction 17, result has 57.5 percent of original size [2021-04-29 00:43:27,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 00:43:27,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:27,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 00:43:27,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:27,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909555003] [2021-04-29 00:43:27,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:27,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 00:43:27,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225211863] [2021-04-29 00:43:27,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 00:43:27,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:27,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 00:43:27,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-04-29 00:43:27,137 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 321 [2021-04-29 00:43:27,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 93 transitions, 720 flow. Second operand has 8 states, 8 states have (on average 169.0) internal successors, (1352), 8 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:27,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:27,140 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 321 [2021-04-29 00:43:27,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:28,490 INFO L129 PetriNetUnfolder]: 3310/8920 cut-off events. [2021-04-29 00:43:28,491 INFO L130 PetriNetUnfolder]: For 60938/86175 co-relation queries the response was YES. [2021-04-29 00:43:28,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38674 conditions, 8920 events. 3310/8920 cut-off events. For 60938/86175 co-relation queries the response was YES. Maximal size of possible extension queue 2814. Compared 117248 event pairs, 10 based on Foata normal form. 68/2434 useless extension candidates. Maximal degree in co-relation 38648. Up to 6534 conditions per place. [2021-04-29 00:43:28,616 INFO L132 encePairwiseOnDemand]: 315/321 looper letters, 11 selfloop transitions, 11 changer transitions 1/104 dead transitions. [2021-04-29 00:43:28,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 104 transitions, 816 flow [2021-04-29 00:43:28,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:43:28,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:43:28,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1195 transitions. [2021-04-29 00:43:28,624 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.531820204717401 [2021-04-29 00:43:28,624 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1195 transitions. [2021-04-29 00:43:28,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1195 transitions. [2021-04-29 00:43:28,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:28,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1195 transitions. [2021-04-29 00:43:28,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 170.71428571428572) internal successors, (1195), 7 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:28,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:28,634 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:28,634 INFO L185 Difference]: Start difference. First operand has 74 places, 93 transitions, 720 flow. Second operand 7 states and 1195 transitions. [2021-04-29 00:43:28,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 104 transitions, 816 flow [2021-04-29 00:43:33,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 104 transitions, 616 flow, removed 43 selfloop flow, removed 8 redundant places. [2021-04-29 00:43:33,452 INFO L241 Difference]: Finished difference. Result has 75 places, 99 transitions, 583 flow [2021-04-29 00:43:33,453 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=583, PETRI_PLACES=75, PETRI_TRANSITIONS=99} [2021-04-29 00:43:33,453 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -52 predicate places. [2021-04-29 00:43:33,453 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:33,453 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 99 transitions, 583 flow [2021-04-29 00:43:33,454 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 99 transitions, 583 flow [2021-04-29 00:43:33,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 99 transitions, 583 flow [2021-04-29 00:43:34,144 INFO L129 PetriNetUnfolder]: 4158/9942 cut-off events. [2021-04-29 00:43:34,144 INFO L130 PetriNetUnfolder]: For 4814/5070 co-relation queries the response was YES. [2021-04-29 00:43:34,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36833 conditions, 9942 events. 4158/9942 cut-off events. For 4814/5070 co-relation queries the response was YES. Maximal size of possible extension queue 3458. Compared 125981 event pairs, 2 based on Foata normal form. 1/2631 useless extension candidates. Maximal degree in co-relation 36809. Up to 7596 conditions per place. [2021-04-29 00:43:34,327 INFO L146 LiptonReduction]: Number of co-enabled transitions 1946 [2021-04-29 00:43:36,308 INFO L158 LiptonReduction]: Checked pairs total: 180 [2021-04-29 00:43:36,309 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:36,309 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2856 [2021-04-29 00:43:36,310 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 99 transitions, 583 flow [2021-04-29 00:43:36,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 169.0) internal successors, (1352), 8 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:36,311 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:36,312 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:36,312 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 00:43:36,312 INFO L428 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:36,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:36,312 INFO L82 PathProgramCache]: Analyzing trace with hash 2054816090, now seen corresponding path program 1 times [2021-04-29 00:43:36,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:36,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527981243] [2021-04-29 00:43:36,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:36,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:36,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:43:36,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:36,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:36,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:36,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:36,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527981243] [2021-04-29 00:43:36,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:36,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:43:36,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782567456] [2021-04-29 00:43:36,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:43:36,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:36,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:43:36,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:43:36,430 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 321 [2021-04-29 00:43:36,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 99 transitions, 583 flow. Second operand has 4 states, 4 states have (on average 218.0) internal successors, (872), 4 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:36,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:36,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 321 [2021-04-29 00:43:36,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:37,384 INFO L129 PetriNetUnfolder]: 4201/10924 cut-off events. [2021-04-29 00:43:37,385 INFO L130 PetriNetUnfolder]: For 6251/7351 co-relation queries the response was YES. [2021-04-29 00:43:37,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40487 conditions, 10924 events. 4201/10924 cut-off events. For 6251/7351 co-relation queries the response was YES. Maximal size of possible extension queue 3816. Compared 143091 event pairs, 3 based on Foata normal form. 30/2766 useless extension candidates. Maximal degree in co-relation 40461. Up to 8316 conditions per place. [2021-04-29 00:43:37,462 INFO L132 encePairwiseOnDemand]: 318/321 looper letters, 3 selfloop transitions, 2 changer transitions 16/100 dead transitions. [2021-04-29 00:43:37,463 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 100 transitions, 601 flow [2021-04-29 00:43:37,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:43:37,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:43:37,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 874 transitions. [2021-04-29 00:43:37,476 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6806853582554517 [2021-04-29 00:43:37,476 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 874 transitions. [2021-04-29 00:43:37,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 874 transitions. [2021-04-29 00:43:37,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:37,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 874 transitions. [2021-04-29 00:43:37,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 218.5) internal successors, (874), 4 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) [2021-04-29 00:43:37,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:37,487 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:37,487 INFO L185 Difference]: Start difference. First operand has 75 places, 99 transitions, 583 flow. Second operand 4 states and 874 transitions. [2021-04-29 00:43:37,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 100 transitions, 601 flow [2021-04-29 00:43:41,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 100 transitions, 593 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:43:41,287 INFO L241 Difference]: Finished difference. Result has 78 places, 84 transitions, 491 flow [2021-04-29 00:43:41,287 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=491, PETRI_PLACES=78, PETRI_TRANSITIONS=84} [2021-04-29 00:43:41,287 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -49 predicate places. [2021-04-29 00:43:41,287 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:41,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 84 transitions, 491 flow [2021-04-29 00:43:41,288 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 84 transitions, 491 flow [2021-04-29 00:43:41,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 84 transitions, 491 flow [2021-04-29 00:43:41,436 INFO L129 PetriNetUnfolder]: 401/1562 cut-off events. [2021-04-29 00:43:41,436 INFO L130 PetriNetUnfolder]: For 1162/1710 co-relation queries the response was YES. [2021-04-29 00:43:41,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5605 conditions, 1562 events. 401/1562 cut-off events. For 1162/1710 co-relation queries the response was YES. Maximal size of possible extension queue 572. Compared 18218 event pairs, 1 based on Foata normal form. 0/402 useless extension candidates. Maximal degree in co-relation 5580. Up to 972 conditions per place. [2021-04-29 00:43:41,459 INFO L146 LiptonReduction]: Number of co-enabled transitions 940 [2021-04-29 00:43:41,642 INFO L158 LiptonReduction]: Checked pairs total: 96 [2021-04-29 00:43:41,642 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:41,642 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 355 [2021-04-29 00:43:41,643 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 84 transitions, 491 flow [2021-04-29 00:43:41,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 218.0) internal successors, (872), 4 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:41,644 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:41,644 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:41,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 00:43:41,645 INFO L428 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:41,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:41,645 INFO L82 PathProgramCache]: Analyzing trace with hash 978469289, now seen corresponding path program 1 times [2021-04-29 00:43:41,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:41,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680475524] [2021-04-29 00:43:41,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:41,770 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-04-29 00:43:41,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:43:41,803 INFO L142 QuantifierPusher]: treesize reduction 60, result has 24.1 percent of original size [2021-04-29 00:43:41,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:43:41,845 INFO L142 QuantifierPusher]: treesize reduction 60, result has 26.8 percent of original size [2021-04-29 00:43:41,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:43:41,894 INFO L142 QuantifierPusher]: treesize reduction 60, result has 21.1 percent of original size [2021-04-29 00:43:41,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:43:41,936 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-04-29 00:43:41,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-29 00:43:42,076 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 17 [2021-04-29 00:43:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:42,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680475524] [2021-04-29 00:43:42,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:42,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:43:42,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800892230] [2021-04-29 00:43:42,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:43:42,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:42,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:43:42,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:43:42,082 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 321 [2021-04-29 00:43:42,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 84 transitions, 491 flow. Second operand has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:42,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:42,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 321 [2021-04-29 00:43:42,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:42,554 INFO L129 PetriNetUnfolder]: 532/2397 cut-off events. [2021-04-29 00:43:42,555 INFO L130 PetriNetUnfolder]: For 2009/2278 co-relation queries the response was YES. [2021-04-29 00:43:42,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8574 conditions, 2397 events. 532/2397 cut-off events. For 2009/2278 co-relation queries the response was YES. Maximal size of possible extension queue 816. Compared 30800 event pairs, 1 based on Foata normal form. 44/736 useless extension candidates. Maximal degree in co-relation 8547. Up to 1476 conditions per place. [2021-04-29 00:43:42,567 INFO L132 encePairwiseOnDemand]: 317/321 looper letters, 8 selfloop transitions, 4 changer transitions 9/89 dead transitions. [2021-04-29 00:43:42,567 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 89 transitions, 557 flow [2021-04-29 00:43:42,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:43:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:43:42,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 724 transitions. [2021-04-29 00:43:42,578 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5638629283489096 [2021-04-29 00:43:42,578 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 724 transitions. [2021-04-29 00:43:42,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 724 transitions. [2021-04-29 00:43:42,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:42,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 724 transitions. [2021-04-29 00:43:42,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:42,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:42,586 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:42,586 INFO L185 Difference]: Start difference. First operand has 74 places, 84 transitions, 491 flow. Second operand 4 states and 724 transitions. [2021-04-29 00:43:42,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 89 transitions, 557 flow [2021-04-29 00:43:42,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 89 transitions, 532 flow, removed 4 selfloop flow, removed 9 redundant places. [2021-04-29 00:43:42,797 INFO L241 Difference]: Finished difference. Result has 69 places, 79 transitions, 445 flow [2021-04-29 00:43:42,798 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=445, PETRI_PLACES=69, PETRI_TRANSITIONS=79} [2021-04-29 00:43:42,798 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -58 predicate places. [2021-04-29 00:43:42,798 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:42,798 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 79 transitions, 445 flow [2021-04-29 00:43:42,798 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 79 transitions, 445 flow [2021-04-29 00:43:42,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 79 transitions, 445 flow [2021-04-29 00:43:42,915 INFO L129 PetriNetUnfolder]: 260/1866 cut-off events. [2021-04-29 00:43:42,915 INFO L130 PetriNetUnfolder]: For 1257/1353 co-relation queries the response was YES. [2021-04-29 00:43:42,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6187 conditions, 1866 events. 260/1866 cut-off events. For 1257/1353 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 24148 event pairs, 0 based on Foata normal form. 0/662 useless extension candidates. Maximal degree in co-relation 6168. Up to 1008 conditions per place. [2021-04-29 00:43:42,939 INFO L146 LiptonReduction]: Number of co-enabled transitions 952 [2021-04-29 00:43:43,662 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-04-29 00:43:43,919 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:43:45,306 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 106 DAG size of output: 83 [2021-04-29 00:43:45,831 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 00:43:46,118 INFO L158 LiptonReduction]: Checked pairs total: 91 [2021-04-29 00:43:46,118 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-29 00:43:46,118 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3320 [2021-04-29 00:43:46,119 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 80 transitions, 453 flow [2021-04-29 00:43:46,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:46,121 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:46,121 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:46,121 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 00:43:46,121 INFO L428 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:46,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:46,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1974105334, now seen corresponding path program 1 times [2021-04-29 00:43:46,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:46,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213036604] [2021-04-29 00:43:46,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 00:43:46,174 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 00:43:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 00:43:46,219 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 00:43:46,263 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 00:43:46,264 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 00:43:46,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 00:43:46,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 12:43:46 BasicIcfg [2021-04-29 00:43:46,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 00:43:46,362 INFO L168 Benchmark]: Toolchain (without parser) took 155109.31 ms. Allocated memory was 308.3 MB in the beginning and 1.0 GB in the end (delta: 704.6 MB). Free memory was 281.6 MB in the beginning and 746.4 MB in the end (delta: -464.9 MB). Peak memory consumption was 243.4 MB. Max. memory is 16.0 GB. [2021-04-29 00:43:46,363 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 308.3 MB. Free memory is still 293.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 00:43:46,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.56 ms. Allocated memory is still 308.3 MB. Free memory was 278.5 MB in the beginning and 273.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:43:46,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.43 ms. Allocated memory is still 308.3 MB. Free memory was 273.2 MB in the beginning and 270.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:43:46,363 INFO L168 Benchmark]: Boogie Preprocessor took 42.05 ms. Allocated memory is still 308.3 MB. Free memory was 270.6 MB in the beginning and 268.5 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 00:43:46,364 INFO L168 Benchmark]: RCFGBuilder took 2151.07 ms. Allocated memory was 308.3 MB in the beginning and 408.9 MB in the end (delta: 100.7 MB). Free memory was 268.5 MB in the beginning and 332.5 MB in the end (delta: -64.1 MB). Peak memory consumption was 82.7 MB. Max. memory is 16.0 GB. [2021-04-29 00:43:46,364 INFO L168 Benchmark]: TraceAbstraction took 152048.26 ms. Allocated memory was 408.9 MB in the beginning and 1.0 GB in the end (delta: 604.0 MB). Free memory was 332.5 MB in the beginning and 746.4 MB in the end (delta: -413.9 MB). Peak memory consumption was 192.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:43:46,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 308.3 MB. Free memory is still 293.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 741.56 ms. Allocated memory is still 308.3 MB. Free memory was 278.5 MB in the beginning and 273.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 67.43 ms. Allocated memory is still 308.3 MB. Free memory was 273.2 MB in the beginning and 270.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 42.05 ms. Allocated memory is still 308.3 MB. Free memory was 270.6 MB in the beginning and 268.5 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 2151.07 ms. Allocated memory was 308.3 MB in the beginning and 408.9 MB in the end (delta: 100.7 MB). Free memory was 268.5 MB in the beginning and 332.5 MB in the end (delta: -64.1 MB). Peak memory consumption was 82.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 152048.26 ms. Allocated memory was 408.9 MB in the beginning and 1.0 GB in the end (delta: 604.0 MB). Free memory was 332.5 MB in the beginning and 746.4 MB in the end (delta: -413.9 MB). Peak memory consumption was 192.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 119661.8ms, 101 PlacesBefore, 127 PlacesAfterwards, 93 TransitionsBefore, 119 TransitionsAfterwards, 1578 CoEnabledTransitionPairs, 9 FixpointIterations, 146 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 225 TotalNumberOfCompositions, 15276 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3902, positive: 3635, positive conditional: 3635, positive unconditional: 0, negative: 267, negative conditional: 267, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1847, positive: 1777, positive conditional: 0, positive unconditional: 1777, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1847, positive: 1777, positive conditional: 0, positive unconditional: 1777, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1847, positive: 1754, positive conditional: 0, positive unconditional: 1754, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1798, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 1676, negative conditional: 0, negative unconditional: 1676, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3902, positive: 1858, positive conditional: 1858, positive unconditional: 0, negative: 197, negative conditional: 197, negative unconditional: 0, unknown: 1847, unknown conditional: 1847, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1847, Positive cache size: 1777, Positive conditional cache size: 1777, Positive unconditional cache size: 0, Negative cache size: 70, Negative conditional cache size: 70, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 291.8ms, 123 PlacesBefore, 47 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 822 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 790 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 193, positive: 163, positive conditional: 163, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 54, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 54, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 276, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 276, negative conditional: 0, negative unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 193, positive: 122, positive conditional: 122, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1818, Positive conditional cache size: 1818, Positive unconditional cache size: 0, Negative cache size: 83, Negative conditional cache size: 83, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.2ms, 48 PlacesBefore, 48 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 736 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 177, positive: 150, positive conditional: 150, 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: 26, positive: 25, positive conditional: 8, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 8, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 177, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1927, Positive cache size: 1843, Positive conditional cache size: 1843, Positive unconditional cache size: 0, Negative cache size: 84, Negative conditional cache size: 84, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 192.1ms, 50 PlacesBefore, 50 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 950 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 530 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 109, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 172, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 109, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1931, Positive cache size: 1844, Positive conditional cache size: 1844, Positive unconditional cache size: 0, Negative cache size: 87, Negative conditional cache size: 87, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 106.4ms, 54 PlacesBefore, 54 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 1018 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 427 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 87, positive conditional: 87, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 2, positive unconditional: 4, 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: 8, positive: 6, positive conditional: 2, positive unconditional: 4, 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: 8, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 78, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 78, negative conditional: 78, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 101, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1939, Positive cache size: 1850, Positive conditional cache size: 1850, Positive unconditional cache size: 0, Negative cache size: 89, Negative conditional cache size: 89, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 130.5ms, 55 PlacesBefore, 54 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 968 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 413 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 73, positive: 59, positive conditional: 59, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 109, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 73, positive: 55, positive conditional: 55, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1946, Positive cache size: 1854, Positive conditional cache size: 1854, Positive unconditional cache size: 0, Negative cache size: 92, Negative conditional cache size: 92, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1349.2ms, 60 PlacesBefore, 60 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 1348 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 703 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 116, positive: 102, positive conditional: 102, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 30, positive conditional: 17, positive unconditional: 13, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32, positive: 30, positive conditional: 17, positive unconditional: 13, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 32, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 116, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1978, Positive cache size: 1884, Positive conditional cache size: 1884, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1022.2ms, 69 PlacesBefore, 69 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 1632 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1275 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 195, positive: 175, positive conditional: 175, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52, positive: 52, positive conditional: 46, positive unconditional: 6, 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: 52, positive: 52, positive conditional: 46, positive unconditional: 6, 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: 52, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 195, positive: 123, positive conditional: 123, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 52, unknown conditional: 52, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2030, Positive cache size: 1936, Positive conditional cache size: 1936, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 841.3ms, 76 PlacesBefore, 74 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 1562 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1215 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 289, positive: 269, positive conditional: 269, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 86, positive: 86, positive conditional: 84, 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: 86, positive: 86, positive conditional: 84, 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: 86, positive: 86, positive conditional: 0, positive unconditional: 86, 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: 289, positive: 183, positive conditional: 183, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 86, unknown conditional: 86, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2116, Positive cache size: 2022, Positive conditional cache size: 2022, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2855.1ms, 75 PlacesBefore, 75 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 1946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 180 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 108, positive: 105, positive conditional: 105, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 27, positive conditional: 27, positive unconditional: 0, 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: 28, positive: 27, positive conditional: 27, positive unconditional: 0, 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: 28, positive: 27, positive conditional: 0, positive unconditional: 27, 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: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 108, positive: 78, positive conditional: 78, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2144, Positive cache size: 2049, Positive conditional cache size: 2049, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 354.4ms, 78 PlacesBefore, 74 PlacesAfterwards, 84 TransitionsBefore, 84 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 96 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 2, negative conditional: 2, 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: 10, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2144, Positive cache size: 2049, Positive conditional cache size: 2049, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3319.7ms, 69 PlacesBefore, 70 PlacesAfterwards, 79 TransitionsBefore, 80 TransitionsAfterwards, 952 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 91 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 91, positive: 91, positive conditional: 91, 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: 79, positive: 79, positive conditional: 79, 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: 79, positive: 79, positive conditional: 79, 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: 79, positive: 79, positive conditional: 0, positive unconditional: 79, 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: 91, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2223, Positive cache size: 2128, Positive conditional cache size: 2128, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, 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; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L718] 0 _Bool y$flush_delayed; [L719] 0 int y$mem_tmp; [L720] 0 _Bool y$r_buff0_thd0; [L721] 0 _Bool y$r_buff0_thd1; [L722] 0 _Bool y$r_buff0_thd2; [L723] 0 _Bool y$r_buff0_thd3; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$r_buff1_thd3; [L728] 0 _Bool y$read_delayed; [L729] 0 int *y$read_delayed_var; [L730] 0 int y$w_buff0; [L731] 0 _Bool y$w_buff0_used; [L732] 0 int y$w_buff1; [L733] 0 _Bool y$w_buff1_used; [L735] 0 int z = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L815] 0 pthread_t t2522; [L816] FCALL, FORK 0 pthread_create(&t2522, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L817] 0 pthread_t t2523; [L818] FCALL, FORK 0 pthread_create(&t2523, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L819] 0 pthread_t t2524; [L820] FCALL, FORK 0 pthread_create(&t2524, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L778] 3 y$w_buff1 = y$w_buff0 [L779] 3 y$w_buff0 = 2 [L780] 3 y$w_buff1_used = y$w_buff0_used [L781] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L783] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L784] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L785] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L786] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L787] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L790] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L741] 1 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L746] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L758] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L761] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L764] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L764] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L764] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L764] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L765] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L765] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L766] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L767] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L767] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L768] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L768] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L793] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L793] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L794] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L794] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L795] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L796] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L796] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L797] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L797] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L800] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L751] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L753] 1 return 0; [L771] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L773] 2 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L822] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L826] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L826] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L827] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L827] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L828] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L829] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L829] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L830] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L830] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L833] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L834] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L835] 0 y$flush_delayed = weak$$choice2 [L836] 0 y$mem_tmp = y [L837] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L837] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L838] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L838] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L839] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L839] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L840] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L840] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L841] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L841] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L842] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L843] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L843] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0) [L845] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L845] 0 y = y$flush_delayed ? y$mem_tmp : y [L846] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 95 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 17.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 151814.8ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 18476.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 119775.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 63 SDtfs, 67 SDslu, 21 SDs, 0 SdLazy, 437 SolverSat, 167 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1077.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1219.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=720occurred in iteration=8, InterpolantAutomatonStates: 52, 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: 51.1ms SsaConstructionTime, 683.2ms SatisfiabilityAnalysisTime, 1889.9ms InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 1016 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...