/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/mix011_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 17:35:40,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 17:35:40,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 17:35:40,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 17:35:40,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 17:35:40,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 17:35:40,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 17:35:40,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 17:35:40,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 17:35:40,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 17:35:40,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 17:35:40,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 17:35:40,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 17:35:40,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 17:35:40,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 17:35:40,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 17:35:40,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 17:35:40,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 17:35:40,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 17:35:40,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 17:35:40,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 17:35:40,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 17:35:40,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 17:35:40,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 17:35:40,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 17:35:40,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 17:35:40,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 17:35:40,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 17:35:40,629 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 17:35:40,656 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 17:35:40,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 17:35:40,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 17:35:40,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 17:35:40,659 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 17:35:40,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 17:35:40,659 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 17:35:40,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 17:35:40,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 17:35:40,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 17:35:40,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 17:35:40,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 17:35:40,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 17:35:40,661 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 17:35:40,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 17:35:40,662 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 17:35:40,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 17:35:40,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 17:35:40,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 17:35:40,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 17:35:40,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 17:35:40,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 17:35:40,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 17:35:40,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 17:35:40,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 17:35:40,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 17:35:40,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 17:35:40,664 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 17:35:40,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 17:35:40,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 17:35:40,665 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 17:35:41,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 17:35:41,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 17:35:41,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 17:35:41,078 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 17:35:41,081 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 17:35:41,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix011_tso.oepc.i [2021-04-28 17:35:41,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9be134625/dc99d1b4a86d4e60a68958d199d20e6f/FLAGfc1ed536b [2021-04-28 17:35:41,942 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 17:35:41,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011_tso.oepc.i [2021-04-28 17:35:41,959 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9be134625/dc99d1b4a86d4e60a68958d199d20e6f/FLAGfc1ed536b [2021-04-28 17:35:42,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9be134625/dc99d1b4a86d4e60a68958d199d20e6f [2021-04-28 17:35:42,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 17:35:42,203 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 17:35:42,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 17:35:42,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 17:35:42,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 17:35:42,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:35:42" (1/1) ... [2021-04-28 17:35:42,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62dbed12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:35:42, skipping insertion in model container [2021-04-28 17:35:42,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:35:42" (1/1) ... [2021-04-28 17:35:42,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 17:35:42,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 17:35:42,442 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/mix011_tso.oepc.i[949,962] [2021-04-28 17:35:42,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:35:42,798 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 17:35:42,814 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/mix011_tso.oepc.i[949,962] [2021-04-28 17:35:42,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:35:43,046 INFO L208 MainTranslator]: Completed translation [2021-04-28 17:35:43,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:35:43 WrapperNode [2021-04-28 17:35:43,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 17:35:43,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 17:35:43,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 17:35:43,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 17:35:43,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:35:43" (1/1) ... [2021-04-28 17:35:43,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:35:43" (1/1) ... [2021-04-28 17:35:43,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 17:35:43,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 17:35:43,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 17:35:43,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 17:35:43,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:35:43" (1/1) ... [2021-04-28 17:35:43,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:35:43" (1/1) ... [2021-04-28 17:35:43,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:35:43" (1/1) ... [2021-04-28 17:35:43,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:35:43" (1/1) ... [2021-04-28 17:35:43,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:35:43" (1/1) ... [2021-04-28 17:35:43,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:35:43" (1/1) ... [2021-04-28 17:35:43,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:35:43" (1/1) ... [2021-04-28 17:35:43,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 17:35:43,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 17:35:43,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 17:35:43,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 17:35:43,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:35:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 17:35:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 17:35:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 17:35:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 17:35:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 17:35:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 17:35:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 17:35:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 17:35:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 17:35:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 17:35:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 17:35:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 17:35:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 17:35:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 17:35:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 17:35:43,281 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 17:35:45,360 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 17:35:45,361 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 17:35:45,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:35:45 BoogieIcfgContainer [2021-04-28 17:35:45,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 17:35:45,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 17:35:45,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 17:35:45,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 17:35:45,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 05:35:42" (1/3) ... [2021-04-28 17:35:45,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31032e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:35:45, skipping insertion in model container [2021-04-28 17:35:45,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:35:43" (2/3) ... [2021-04-28 17:35:45,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31032e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:35:45, skipping insertion in model container [2021-04-28 17:35:45,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:35:45" (3/3) ... [2021-04-28 17:35:45,372 INFO L111 eAbstractionObserver]: Analyzing ICFG mix011_tso.oepc.i [2021-04-28 17:35:45,379 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 17:35:45,384 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 17:35:45,385 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 17:35:45,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,421 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,421 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,422 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,422 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,424 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,424 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,424 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,424 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,426 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,427 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,427 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,428 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,428 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,428 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,428 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,429 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,429 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,429 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,429 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,431 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,431 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,431 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,431 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,433 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,433 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,433 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,434 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,434 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,435 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,435 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,435 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,435 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,435 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,436 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,436 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,436 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,436 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,436 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,436 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,437 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,437 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,437 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,437 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,438 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,438 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,438 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,438 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,439 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,439 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,439 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,439 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,443 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,443 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,445 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,445 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,446 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,449 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,449 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,450 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,450 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,450 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,450 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,450 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:35:45,452 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 17:35:45,474 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 17:35:45,499 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 17:35:45,499 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 17:35:45,500 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 17:35:45,500 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 17:35:45,500 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 17:35:45,500 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 17:35:45,500 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 17:35:45,500 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 17:35:45,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 104 transitions, 223 flow [2021-04-28 17:35:45,559 INFO L129 PetriNetUnfolder]: 2/101 cut-off events. [2021-04-28 17:35:45,559 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:35:45,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 101 events. 2/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2021-04-28 17:35:45,564 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 104 transitions, 223 flow [2021-04-28 17:35:45,571 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 101 transitions, 211 flow [2021-04-28 17:35:45,572 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:35:45,588 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 101 transitions, 211 flow [2021-04-28 17:35:45,592 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 101 transitions, 211 flow [2021-04-28 17:35:45,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 101 transitions, 211 flow [2021-04-28 17:35:45,618 INFO L129 PetriNetUnfolder]: 2/101 cut-off events. [2021-04-28 17:35:45,619 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:35:45,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 101 events. 2/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2021-04-28 17:35:45,624 INFO L146 LiptonReduction]: Number of co-enabled transitions 1954 [2021-04-28 17:35:49,693 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 231 DAG size of output: 190 [2021-04-28 17:35:50,174 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 17:35:52,486 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 17:35:53,493 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 17:35:54,082 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 17:35:54,199 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:35:54,719 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 17:35:54,930 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 17:35:57,279 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 17:35:57,804 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 17:36:00,073 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 17:36:01,119 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 17:36:02,320 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 234 DAG size of output: 194 [2021-04-28 17:36:02,908 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2021-04-28 17:36:05,398 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 318 DAG size of output: 274 [2021-04-28 17:36:06,514 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 271 [2021-04-28 17:36:07,743 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 17:36:08,297 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 17:36:10,870 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 17:36:11,989 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 17:36:16,048 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-04-28 17:36:16,652 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 17:36:19,459 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 17:36:20,726 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 17:36:22,751 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-04-28 17:36:23,362 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 17:36:26,295 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 317 DAG size of output: 272 [2021-04-28 17:36:27,586 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 17:36:28,999 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 17:36:29,656 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 17:36:32,547 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 17:36:33,890 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 17:36:35,348 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 232 DAG size of output: 191 [2021-04-28 17:36:36,035 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 17:36:39,076 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 17:36:40,473 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 17:36:44,530 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-04-28 17:36:45,225 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 17:36:48,701 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 17:36:50,268 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 17:36:51,927 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 17:36:52,686 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 17:36:56,246 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 17:36:57,843 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 17:36:59,721 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 17:37:00,562 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 17:37:04,281 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 17:37:05,946 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 17:37:07,999 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:37:08,109 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:37:08,215 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:37:08,322 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:37:08,441 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 17:37:08,567 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 17:37:08,681 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 17:37:08,796 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 17:37:08,913 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 17:37:09,032 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 17:37:09,162 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 17:37:09,284 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 17:37:09,769 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 17:37:09,872 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 17:37:09,974 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 17:37:10,211 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 17:37:10,352 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 17:37:10,489 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 17:37:10,627 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 17:37:10,759 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 17:37:10,891 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 17:37:11,027 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 17:37:11,158 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 17:37:11,636 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 17:37:11,760 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 17:37:11,889 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 17:37:12,020 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 17:37:13,256 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 17:37:13,373 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 17:37:13,492 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 17:37:13,597 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 17:37:13,902 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 17:37:14,449 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 17:37:14,652 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 17:37:14,902 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:37:15,014 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:37:15,125 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:37:15,236 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:37:15,364 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 17:37:15,490 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 17:37:15,617 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 17:37:15,746 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 17:37:15,899 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 17:37:16,051 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 17:37:16,208 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 17:37:16,362 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 17:37:16,523 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 17:37:16,684 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 17:37:16,838 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 17:37:16,995 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 17:37:17,142 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 17:37:17,285 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 17:37:17,435 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 17:37:17,583 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 17:37:17,765 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:37:17,943 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:37:18,137 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:37:18,324 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:37:18,485 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:37:18,653 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:37:18,819 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:37:18,973 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:37:19,140 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:37:19,307 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:37:19,483 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:37:19,650 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:37:19,787 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 17:37:19,913 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 17:37:20,048 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 17:37:20,174 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 17:37:20,322 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:37:20,452 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 17:37:20,598 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:37:20,735 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 17:37:20,870 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 17:37:20,987 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 17:37:21,123 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 17:37:21,240 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 17:37:21,387 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 17:37:21,522 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:37:21,675 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 17:37:21,814 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:37:21,973 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:37:22,115 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 17:37:22,276 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:37:22,429 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 17:37:22,552 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 17:37:22,669 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 17:37:22,807 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 17:37:22,926 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 17:37:23,108 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:37:23,278 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:37:23,460 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:37:23,654 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:37:25,043 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:37:25,247 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:37:25,459 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:37:25,669 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:37:25,967 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 17:37:26,259 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:37:26,451 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:37:26,657 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:37:26,847 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:37:26,998 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 17:37:27,138 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:37:27,286 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 17:37:27,427 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:37:27,600 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:37:27,770 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:37:27,944 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:37:28,110 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:37:28,295 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:37:28,492 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:37:28,698 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:37:28,894 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:37:29,216 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:37:29,505 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:37:29,795 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:37:30,086 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:37:30,320 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:37:30,567 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:37:30,793 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:37:31,015 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:37:31,305 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:31,594 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:31,876 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:32,161 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:32,412 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:37:32,655 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:37:32,899 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:37:33,143 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:37:33,959 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 17:37:34,347 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 17:37:35,158 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 17:37:35,547 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 17:37:35,775 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:37:36,013 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:37:36,247 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:37:36,490 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:37:36,739 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:37:36,980 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:37:37,206 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:37:37,431 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:37:37,727 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:38,029 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:38,331 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:38,622 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:38,865 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:37:39,113 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:37:39,366 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:37:39,613 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:37:39,851 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:37:40,085 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:37:40,336 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:37:40,587 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:37:40,884 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:41,178 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:41,489 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:41,791 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:42,080 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:37:42,366 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:37:42,652 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:37:42,959 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:37:43,212 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:37:43,471 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:37:43,744 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:37:44,003 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:37:44,216 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:37:44,421 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:37:44,640 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:37:44,860 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:37:45,148 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:37:45,447 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:37:45,723 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:37:46,002 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:37:46,250 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:37:46,506 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:37:46,775 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:37:47,031 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:37:47,331 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:47,640 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:47,940 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:48,258 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:37:49,033 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 17:37:49,425 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 17:37:50,237 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 17:37:50,635 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 17:37:50,914 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:37:51,195 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:37:51,481 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:37:51,746 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:37:52,055 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:37:52,375 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:37:52,663 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:37:52,948 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:37:53,009 INFO L158 LiptonReduction]: Checked pairs total: 19233 [2021-04-28 17:37:53,010 INFO L160 LiptonReduction]: Total number of compositions: 239 [2021-04-28 17:37:53,017 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 127446 [2021-04-28 17:37:53,065 INFO L129 PetriNetUnfolder]: 0/69 cut-off events. [2021-04-28 17:37:53,065 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:37:53,065 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:37:53,066 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 17:37:53,066 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:37:53,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:37:53,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1164940918, now seen corresponding path program 1 times [2021-04-28 17:37:53,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:37:53,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256546876] [2021-04-28 17:37:53,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:37:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:37:53,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:53,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:37:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:37:53,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256546876] [2021-04-28 17:37:53,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:37:53,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:37:53,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394166637] [2021-04-28 17:37:53,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:37:53,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:37:53,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:37:53,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:37:53,374 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 343 [2021-04-28 17:37:53,380 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 130 transitions, 269 flow. Second operand has 3 states, 3 states have (on average 263.6666666666667) internal successors, (791), 3 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:53,380 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:37:53,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 343 [2021-04-28 17:37:53,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:37:54,073 INFO L129 PetriNetUnfolder]: 593/1241 cut-off events. [2021-04-28 17:37:54,073 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:37:54,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2199 conditions, 1241 events. 593/1241 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 9229 event pairs, 259 based on Foata normal form. 17/556 useless extension candidates. Maximal degree in co-relation 2120. Up to 801 conditions per place. [2021-04-28 17:37:54,084 INFO L132 encePairwiseOnDemand]: 321/343 looper letters, 9 selfloop transitions, 4 changer transitions 94/143 dead transitions. [2021-04-28 17:37:54,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 143 transitions, 405 flow [2021-04-28 17:37:54,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:37:54,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:37:54,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 846 transitions. [2021-04-28 17:37:54,105 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8221574344023324 [2021-04-28 17:37:54,106 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 846 transitions. [2021-04-28 17:37:54,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 846 transitions. [2021-04-28 17:37:54,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:37:54,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 846 transitions. [2021-04-28 17:37:54,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:54,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 343.0) internal successors, (1372), 4 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:54,131 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 343.0) internal successors, (1372), 4 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:54,133 INFO L185 Difference]: Start difference. First operand has 138 places, 130 transitions, 269 flow. Second operand 3 states and 846 transitions. [2021-04-28 17:37:54,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 143 transitions, 405 flow [2021-04-28 17:37:54,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 143 transitions, 402 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 17:37:54,142 INFO L241 Difference]: Finished difference. Result has 134 places, 45 transitions, 104 flow [2021-04-28 17:37:54,147 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=134, PETRI_TRANSITIONS=45} [2021-04-28 17:37:54,148 INFO L343 CegarLoopForPetriNet]: 138 programPoint places, -4 predicate places. [2021-04-28 17:37:54,148 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:37:54,149 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 45 transitions, 104 flow [2021-04-28 17:37:54,149 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 45 transitions, 104 flow [2021-04-28 17:37:54,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 45 transitions, 104 flow [2021-04-28 17:37:54,156 INFO L129 PetriNetUnfolder]: 0/45 cut-off events. [2021-04-28 17:37:54,157 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:37:54,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 45 events. 0/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 160 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 17:37:54,158 INFO L146 LiptonReduction]: Number of co-enabled transitions 1176 [2021-04-28 17:37:54,601 INFO L158 LiptonReduction]: Checked pairs total: 1118 [2021-04-28 17:37:54,602 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:37:54,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 454 [2021-04-28 17:37:54,604 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 45 transitions, 104 flow [2021-04-28 17:37:54,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 263.6666666666667) internal successors, (791), 3 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:54,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:37:54,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:37:54,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 17:37:54,606 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:37:54,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:37:54,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1118847984, now seen corresponding path program 1 times [2021-04-28 17:37:54,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:37:54,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382730710] [2021-04-28 17:37:54,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:37:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:37:54,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:54,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:37:54,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:37:54,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382730710] [2021-04-28 17:37:54,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:37:54,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:37:54,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394841013] [2021-04-28 17:37:54,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:37:54,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:37:54,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:37:54,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:37:54,825 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 343 [2021-04-28 17:37:54,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 45 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:54,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:37:54,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 343 [2021-04-28 17:37:54,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:37:54,848 INFO L129 PetriNetUnfolder]: 0/45 cut-off events. [2021-04-28 17:37:54,848 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:37:54,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 45 events. 0/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 151 event pairs, 0 based on Foata normal form. 1/25 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 17:37:54,849 INFO L132 encePairwiseOnDemand]: 340/343 looper letters, 1 selfloop transitions, 2 changer transitions 14/45 dead transitions. [2021-04-28 17:37:54,849 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 45 transitions, 110 flow [2021-04-28 17:37:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:37:54,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:37:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 736 transitions. [2021-04-28 17:37:54,855 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7152575315840622 [2021-04-28 17:37:54,855 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 736 transitions. [2021-04-28 17:37:54,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 736 transitions. [2021-04-28 17:37:54,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:37:54,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 736 transitions. [2021-04-28 17:37:54,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:54,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 343.0) internal successors, (1372), 4 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:54,863 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 343.0) internal successors, (1372), 4 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:54,863 INFO L185 Difference]: Start difference. First operand has 54 places, 45 transitions, 104 flow. Second operand 3 states and 736 transitions. [2021-04-28 17:37:54,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 45 transitions, 110 flow [2021-04-28 17:37:54,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 45 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:37:54,865 INFO L241 Difference]: Finished difference. Result has 55 places, 31 transitions, 76 flow [2021-04-28 17:37:54,865 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=55, PETRI_TRANSITIONS=31} [2021-04-28 17:37:54,866 INFO L343 CegarLoopForPetriNet]: 138 programPoint places, -83 predicate places. [2021-04-28 17:37:54,866 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:37:54,866 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 31 transitions, 76 flow [2021-04-28 17:37:54,867 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 31 transitions, 76 flow [2021-04-28 17:37:54,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 31 transitions, 76 flow [2021-04-28 17:37:54,872 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-04-28 17:37:54,873 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:37:54,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 31 events. 0/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 69 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 17:37:54,873 INFO L146 LiptonReduction]: Number of co-enabled transitions 534 [2021-04-28 17:37:55,430 INFO L158 LiptonReduction]: Checked pairs total: 1338 [2021-04-28 17:37:55,430 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 17:37:55,431 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 565 [2021-04-28 17:37:55,432 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 31 transitions, 76 flow [2021-04-28 17:37:55,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:55,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:37:55,433 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:37:55,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 17:37:55,433 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:37:55,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:37:55,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1471016913, now seen corresponding path program 1 times [2021-04-28 17:37:55,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:37:55,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831065246] [2021-04-28 17:37:55,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:37:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:37:55,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:55,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:37:55,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:37:55,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831065246] [2021-04-28 17:37:55,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:37:55,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:37:55,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598918027] [2021-04-28 17:37:55,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:37:55,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:37:55,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:37:55,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:37:55,551 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 344 [2021-04-28 17:37:55,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 31 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:55,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:37:55,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 344 [2021-04-28 17:37:55,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:37:55,569 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-04-28 17:37:55,569 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 17:37:55,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 31 events. 0/31 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 71 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 17:37:55,570 INFO L132 encePairwiseOnDemand]: 341/344 looper letters, 1 selfloop transitions, 2 changer transitions 2/31 dead transitions. [2021-04-28 17:37:55,570 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 31 transitions, 82 flow [2021-04-28 17:37:55,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:37:55,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:37:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 718 transitions. [2021-04-28 17:37:55,575 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6957364341085271 [2021-04-28 17:37:55,575 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 718 transitions. [2021-04-28 17:37:55,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 718 transitions. [2021-04-28 17:37:55,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:37:55,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 718 transitions. [2021-04-28 17:37:55,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:55,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:55,582 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:55,583 INFO L185 Difference]: Start difference. First operand has 41 places, 31 transitions, 76 flow. Second operand 3 states and 718 transitions. [2021-04-28 17:37:55,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 31 transitions, 82 flow [2021-04-28 17:37:55,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 31 transitions, 78 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:37:55,610 INFO L241 Difference]: Finished difference. Result has 42 places, 29 transitions, 76 flow [2021-04-28 17:37:55,613 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=42, PETRI_TRANSITIONS=29} [2021-04-28 17:37:55,613 INFO L343 CegarLoopForPetriNet]: 138 programPoint places, -96 predicate places. [2021-04-28 17:37:55,613 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:37:55,613 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 29 transitions, 76 flow [2021-04-28 17:37:55,613 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 29 transitions, 76 flow [2021-04-28 17:37:55,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 29 transitions, 76 flow [2021-04-28 17:37:55,622 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-04-28 17:37:55,622 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-28 17:37:55,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 29 events. 0/29 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 58 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 17:37:55,623 INFO L146 LiptonReduction]: Number of co-enabled transitions 460 [2021-04-28 17:37:55,686 INFO L158 LiptonReduction]: Checked pairs total: 1110 [2021-04-28 17:37:55,686 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 17:37:55,686 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-04-28 17:37:55,687 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 76 flow [2021-04-28 17:37:55,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:55,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:37:55,688 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:37:55,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 17:37:55,688 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:37:55,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:37:55,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1643026991, now seen corresponding path program 1 times [2021-04-28 17:37:55,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:37:55,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891737148] [2021-04-28 17:37:55,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:37:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:37:55,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:55,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 17:37:55,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:55,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 17:37:55,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:55,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 17:37:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:37:55,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891737148] [2021-04-28 17:37:55,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:37:55,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:37:55,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382203571] [2021-04-28 17:37:55,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:37:55,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:37:55,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:37:55,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:37:55,897 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 345 [2021-04-28 17:37:55,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 76 flow. Second operand has 5 states, 5 states have (on average 203.8) internal successors, (1019), 5 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:55,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:37:55,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 345 [2021-04-28 17:37:55,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:37:56,126 INFO L129 PetriNetUnfolder]: 74/188 cut-off events. [2021-04-28 17:37:56,126 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-04-28 17:37:56,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 188 events. 74/188 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 922 event pairs, 44 based on Foata normal form. 2/154 useless extension candidates. Maximal degree in co-relation 352. Up to 117 conditions per place. [2021-04-28 17:37:56,128 INFO L132 encePairwiseOnDemand]: 338/345 looper letters, 9 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2021-04-28 17:37:56,128 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 37 transitions, 125 flow [2021-04-28 17:37:56,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 17:37:56,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 17:37:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 829 transitions. [2021-04-28 17:37:56,135 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6007246376811595 [2021-04-28 17:37:56,135 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 829 transitions. [2021-04-28 17:37:56,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 829 transitions. [2021-04-28 17:37:56,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:37:56,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 829 transitions. [2021-04-28 17:37:56,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 207.25) internal successors, (829), 4 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:56,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 345.0) internal successors, (1725), 5 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:56,144 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 345.0) internal successors, (1725), 5 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:56,144 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 76 flow. Second operand 4 states and 829 transitions. [2021-04-28 17:37:56,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 37 transitions, 125 flow [2021-04-28 17:37:56,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 37 transitions, 121 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:37:56,146 INFO L241 Difference]: Finished difference. Result has 43 places, 35 transitions, 119 flow [2021-04-28 17:37:56,147 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=119, PETRI_PLACES=43, PETRI_TRANSITIONS=35} [2021-04-28 17:37:56,147 INFO L343 CegarLoopForPetriNet]: 138 programPoint places, -95 predicate places. [2021-04-28 17:37:56,147 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:37:56,147 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 35 transitions, 119 flow [2021-04-28 17:37:56,147 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 35 transitions, 119 flow [2021-04-28 17:37:56,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 35 transitions, 119 flow [2021-04-28 17:37:56,170 INFO L129 PetriNetUnfolder]: 31/137 cut-off events. [2021-04-28 17:37:56,170 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2021-04-28 17:37:56,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 137 events. 31/137 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 655 event pairs, 16 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 240. Up to 52 conditions per place. [2021-04-28 17:37:56,173 INFO L146 LiptonReduction]: Number of co-enabled transitions 556 [2021-04-28 17:37:56,351 INFO L158 LiptonReduction]: Checked pairs total: 325 [2021-04-28 17:37:56,351 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:37:56,351 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 204 [2021-04-28 17:37:56,352 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 35 transitions, 119 flow [2021-04-28 17:37:56,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 203.8) internal successors, (1019), 5 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:56,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:37:56,353 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:37:56,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 17:37:56,354 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:37:56,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:37:56,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1177091887, now seen corresponding path program 1 times [2021-04-28 17:37:56,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:37:56,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327358899] [2021-04-28 17:37:56,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:37:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:37:56,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:56,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:37:56,489 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-04-28 17:37:56,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-28 17:37:56,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:56,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 17:37:56,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:37:56,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327358899] [2021-04-28 17:37:56,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:37:56,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:37:56,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614974536] [2021-04-28 17:37:56,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:37:56,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:37:56,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:37:56,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:37:56,567 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 345 [2021-04-28 17:37:56,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 35 transitions, 119 flow. Second operand has 5 states, 5 states have (on average 201.8) internal successors, (1009), 5 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:56,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:37:56,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 345 [2021-04-28 17:37:56,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:37:56,764 INFO L129 PetriNetUnfolder]: 72/203 cut-off events. [2021-04-28 17:37:56,765 INFO L130 PetriNetUnfolder]: For 89/120 co-relation queries the response was YES. [2021-04-28 17:37:56,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 501 conditions, 203 events. 72/203 cut-off events. For 89/120 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1054 event pairs, 17 based on Foata normal form. 10/166 useless extension candidates. Maximal degree in co-relation 488. Up to 113 conditions per place. [2021-04-28 17:37:56,767 INFO L132 encePairwiseOnDemand]: 339/345 looper letters, 10 selfloop transitions, 9 changer transitions 0/40 dead transitions. [2021-04-28 17:37:56,767 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 40 transitions, 177 flow [2021-04-28 17:37:56,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 17:37:56,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 17:37:56,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 821 transitions. [2021-04-28 17:37:56,774 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5949275362318841 [2021-04-28 17:37:56,774 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 821 transitions. [2021-04-28 17:37:56,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 821 transitions. [2021-04-28 17:37:56,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:37:56,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 821 transitions. [2021-04-28 17:37:56,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 205.25) internal successors, (821), 4 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:56,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 345.0) internal successors, (1725), 5 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:56,783 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 345.0) internal successors, (1725), 5 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:56,783 INFO L185 Difference]: Start difference. First operand has 43 places, 35 transitions, 119 flow. Second operand 4 states and 821 transitions. [2021-04-28 17:37:56,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 40 transitions, 177 flow [2021-04-28 17:37:56,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 40 transitions, 177 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 17:37:56,786 INFO L241 Difference]: Finished difference. Result has 47 places, 38 transitions, 164 flow [2021-04-28 17:37:56,786 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=164, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2021-04-28 17:37:56,786 INFO L343 CegarLoopForPetriNet]: 138 programPoint places, -91 predicate places. [2021-04-28 17:37:56,786 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:37:56,787 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 38 transitions, 164 flow [2021-04-28 17:37:56,787 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 38 transitions, 164 flow [2021-04-28 17:37:56,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 38 transitions, 164 flow [2021-04-28 17:37:56,810 INFO L129 PetriNetUnfolder]: 35/143 cut-off events. [2021-04-28 17:37:56,810 INFO L130 PetriNetUnfolder]: For 73/83 co-relation queries the response was YES. [2021-04-28 17:37:56,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 143 events. 35/143 cut-off events. For 73/83 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 670 event pairs, 12 based on Foata normal form. 2/103 useless extension candidates. Maximal degree in co-relation 319. Up to 52 conditions per place. [2021-04-28 17:37:56,814 INFO L146 LiptonReduction]: Number of co-enabled transitions 586 [2021-04-28 17:37:56,959 INFO L158 LiptonReduction]: Checked pairs total: 411 [2021-04-28 17:37:56,959 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:37:56,959 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 173 [2021-04-28 17:37:56,960 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 164 flow [2021-04-28 17:37:56,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 201.8) internal successors, (1009), 5 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:56,961 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:37:56,961 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:37:56,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 17:37:56,962 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:37:56,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:37:56,962 INFO L82 PathProgramCache]: Analyzing trace with hash 801631830, now seen corresponding path program 1 times [2021-04-28 17:37:56,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:37:56,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588540148] [2021-04-28 17:37:56,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:37:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:37:57,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:57,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:37:57,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:57,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:37:57,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:57,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 17:37:57,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:57,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 17:37:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:37:57,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588540148] [2021-04-28 17:37:57,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:37:57,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:37:57,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129705003] [2021-04-28 17:37:57,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:37:57,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:37:57,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:37:57,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:37:57,090 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 345 [2021-04-28 17:37:57,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 164 flow. Second operand has 5 states, 5 states have (on average 231.0) internal successors, (1155), 5 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:57,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:37:57,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 345 [2021-04-28 17:37:57,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:37:57,286 INFO L129 PetriNetUnfolder]: 100/248 cut-off events. [2021-04-28 17:37:57,286 INFO L130 PetriNetUnfolder]: For 233/344 co-relation queries the response was YES. [2021-04-28 17:37:57,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 248 events. 100/248 cut-off events. For 233/344 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1292 event pairs, 29 based on Foata normal form. 11/211 useless extension candidates. Maximal degree in co-relation 730. Up to 143 conditions per place. [2021-04-28 17:37:57,290 INFO L132 encePairwiseOnDemand]: 337/345 looper letters, 13 selfloop transitions, 14 changer transitions 0/48 dead transitions. [2021-04-28 17:37:57,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 48 transitions, 269 flow [2021-04-28 17:37:57,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:37:57,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:37:57,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1169 transitions. [2021-04-28 17:37:57,297 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6776811594202898 [2021-04-28 17:37:57,297 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1169 transitions. [2021-04-28 17:37:57,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1169 transitions. [2021-04-28 17:37:57,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:37:57,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1169 transitions. [2021-04-28 17:37:57,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 233.8) internal successors, (1169), 5 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:57,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 345.0) internal successors, (2070), 6 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:57,306 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 345.0) internal successors, (2070), 6 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:57,306 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 164 flow. Second operand 5 states and 1169 transitions. [2021-04-28 17:37:57,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 48 transitions, 269 flow [2021-04-28 17:37:57,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 48 transitions, 258 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:37:57,309 INFO L241 Difference]: Finished difference. Result has 51 places, 47 transitions, 256 flow [2021-04-28 17:37:57,310 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=256, PETRI_PLACES=51, PETRI_TRANSITIONS=47} [2021-04-28 17:37:57,310 INFO L343 CegarLoopForPetriNet]: 138 programPoint places, -87 predicate places. [2021-04-28 17:37:57,310 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:37:57,310 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 47 transitions, 256 flow [2021-04-28 17:37:57,311 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 47 transitions, 256 flow [2021-04-28 17:37:57,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 47 transitions, 256 flow [2021-04-28 17:37:57,356 INFO L129 PetriNetUnfolder]: 90/264 cut-off events. [2021-04-28 17:37:57,356 INFO L130 PetriNetUnfolder]: For 314/345 co-relation queries the response was YES. [2021-04-28 17:37:57,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 762 conditions, 264 events. 90/264 cut-off events. For 314/345 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1498 event pairs, 18 based on Foata normal form. 1/204 useless extension candidates. Maximal degree in co-relation 746. Up to 98 conditions per place. [2021-04-28 17:37:57,361 INFO L146 LiptonReduction]: Number of co-enabled transitions 726 [2021-04-28 17:37:57,473 INFO L158 LiptonReduction]: Checked pairs total: 496 [2021-04-28 17:37:57,473 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:37:57,473 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 163 [2021-04-28 17:37:57,474 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 47 transitions, 256 flow [2021-04-28 17:37:57,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 231.0) internal successors, (1155), 5 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:57,475 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:37:57,475 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:37:57,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 17:37:57,475 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:37:57,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:37:57,476 INFO L82 PathProgramCache]: Analyzing trace with hash 800708340, now seen corresponding path program 2 times [2021-04-28 17:37:57,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:37:57,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352244980] [2021-04-28 17:37:57,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:37:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:37:57,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:57,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 17:37:57,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:57,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 17:37:57,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:57,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 17:37:57,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:57,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 17:37:57,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:37:57,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352244980] [2021-04-28 17:37:57,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:37:57,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:37:57,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070534801] [2021-04-28 17:37:57,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:37:57,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:37:57,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:37:57,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:37:57,610 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 345 [2021-04-28 17:37:57,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 256 flow. Second operand has 5 states, 5 states have (on average 204.0) internal successors, (1020), 5 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:57,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:37:57,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 345 [2021-04-28 17:37:57,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:37:57,860 INFO L129 PetriNetUnfolder]: 99/256 cut-off events. [2021-04-28 17:37:57,860 INFO L130 PetriNetUnfolder]: For 436/615 co-relation queries the response was YES. [2021-04-28 17:37:57,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 256 events. 99/256 cut-off events. For 436/615 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1343 event pairs, 8 based on Foata normal form. 28/236 useless extension candidates. Maximal degree in co-relation 926. Up to 124 conditions per place. [2021-04-28 17:37:57,863 INFO L132 encePairwiseOnDemand]: 337/345 looper letters, 16 selfloop transitions, 19 changer transitions 0/56 dead transitions. [2021-04-28 17:37:57,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 56 transitions, 381 flow [2021-04-28 17:37:57,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 17:37:57,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 17:37:57,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1239 transitions. [2021-04-28 17:37:57,871 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5985507246376811 [2021-04-28 17:37:57,871 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1239 transitions. [2021-04-28 17:37:57,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1239 transitions. [2021-04-28 17:37:57,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:37:57,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1239 transitions. [2021-04-28 17:37:57,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 206.5) internal successors, (1239), 6 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:57,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 345.0) internal successors, (2415), 7 states have internal predecessors, (2415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:57,881 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 345.0) internal successors, (2415), 7 states have internal predecessors, (2415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:57,881 INFO L185 Difference]: Start difference. First operand has 51 places, 47 transitions, 256 flow. Second operand 6 states and 1239 transitions. [2021-04-28 17:37:57,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 56 transitions, 381 flow [2021-04-28 17:37:57,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 56 transitions, 354 flow, removed 13 selfloop flow, removed 1 redundant places. [2021-04-28 17:37:57,886 INFO L241 Difference]: Finished difference. Result has 56 places, 53 transitions, 324 flow [2021-04-28 17:37:57,887 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=56, PETRI_TRANSITIONS=53} [2021-04-28 17:37:57,887 INFO L343 CegarLoopForPetriNet]: 138 programPoint places, -82 predicate places. [2021-04-28 17:37:57,887 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:37:57,887 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 53 transitions, 324 flow [2021-04-28 17:37:57,887 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 53 transitions, 324 flow [2021-04-28 17:37:57,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 53 transitions, 324 flow [2021-04-28 17:37:57,933 INFO L129 PetriNetUnfolder]: 90/253 cut-off events. [2021-04-28 17:37:57,933 INFO L130 PetriNetUnfolder]: For 431/453 co-relation queries the response was YES. [2021-04-28 17:37:57,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 845 conditions, 253 events. 90/253 cut-off events. For 431/453 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1378 event pairs, 25 based on Foata normal form. 2/198 useless extension candidates. Maximal degree in co-relation 827. Up to 93 conditions per place. [2021-04-28 17:37:57,939 INFO L146 LiptonReduction]: Number of co-enabled transitions 782 [2021-04-28 17:37:57,944 INFO L158 LiptonReduction]: Checked pairs total: 700 [2021-04-28 17:37:57,944 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:37:57,944 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-04-28 17:37:57,945 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 53 transitions, 324 flow [2021-04-28 17:37:57,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 204.0) internal successors, (1020), 5 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:57,946 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:37:57,946 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:37:57,946 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 17:37:57,946 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:37:57,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:37:57,947 INFO L82 PathProgramCache]: Analyzing trace with hash -933704460, now seen corresponding path program 3 times [2021-04-28 17:37:57,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:37:57,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779004658] [2021-04-28 17:37:57,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:37:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:37:58,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:58,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 17:37:58,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:58,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:37:58,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:58,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 17:37:58,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:58,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 17:37:58,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:37:58,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779004658] [2021-04-28 17:37:58,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:37:58,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 17:37:58,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673655728] [2021-04-28 17:37:58,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 17:37:58,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:37:58,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 17:37:58,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 17:37:58,160 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 345 [2021-04-28 17:37:58,161 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 53 transitions, 324 flow. Second operand has 6 states, 6 states have (on average 197.83333333333334) internal successors, (1187), 6 states have internal predecessors, (1187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:58,161 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:37:58,161 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 345 [2021-04-28 17:37:58,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:37:58,481 INFO L129 PetriNetUnfolder]: 107/274 cut-off events. [2021-04-28 17:37:58,481 INFO L130 PetriNetUnfolder]: For 650/909 co-relation queries the response was YES. [2021-04-28 17:37:58,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1120 conditions, 274 events. 107/274 cut-off events. For 650/909 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1458 event pairs, 10 based on Foata normal form. 43/269 useless extension candidates. Maximal degree in co-relation 1100. Up to 128 conditions per place. [2021-04-28 17:37:58,485 INFO L132 encePairwiseOnDemand]: 338/345 looper letters, 20 selfloop transitions, 26 changer transitions 0/67 dead transitions. [2021-04-28 17:37:58,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 67 transitions, 517 flow [2021-04-28 17:37:58,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:37:58,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:37:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1007 transitions. [2021-04-28 17:37:58,492 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5837681159420289 [2021-04-28 17:37:58,493 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1007 transitions. [2021-04-28 17:37:58,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1007 transitions. [2021-04-28 17:37:58,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:37:58,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1007 transitions. [2021-04-28 17:37:58,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 201.4) internal successors, (1007), 5 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:58,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 345.0) internal successors, (2070), 6 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:58,502 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 345.0) internal successors, (2070), 6 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:58,502 INFO L185 Difference]: Start difference. First operand has 56 places, 53 transitions, 324 flow. Second operand 5 states and 1007 transitions. [2021-04-28 17:37:58,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 67 transitions, 517 flow [2021-04-28 17:37:58,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 67 transitions, 510 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-04-28 17:37:58,508 INFO L241 Difference]: Finished difference. Result has 61 places, 62 transitions, 479 flow [2021-04-28 17:37:58,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=479, PETRI_PLACES=61, PETRI_TRANSITIONS=62} [2021-04-28 17:37:58,509 INFO L343 CegarLoopForPetriNet]: 138 programPoint places, -77 predicate places. [2021-04-28 17:37:58,509 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:37:58,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 62 transitions, 479 flow [2021-04-28 17:37:58,509 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 62 transitions, 479 flow [2021-04-28 17:37:58,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 62 transitions, 479 flow [2021-04-28 17:37:58,566 INFO L129 PetriNetUnfolder]: 107/292 cut-off events. [2021-04-28 17:37:58,566 INFO L130 PetriNetUnfolder]: For 785/854 co-relation queries the response was YES. [2021-04-28 17:37:58,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1176 conditions, 292 events. 107/292 cut-off events. For 785/854 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1703 event pairs, 19 based on Foata normal form. 4/237 useless extension candidates. Maximal degree in co-relation 1155. Up to 112 conditions per place. [2021-04-28 17:37:58,573 INFO L146 LiptonReduction]: Number of co-enabled transitions 882 [2021-04-28 17:37:58,584 INFO L158 LiptonReduction]: Checked pairs total: 970 [2021-04-28 17:37:58,584 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:37:58,584 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 75 [2021-04-28 17:37:58,585 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 62 transitions, 479 flow [2021-04-28 17:37:58,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 197.83333333333334) internal successors, (1187), 6 states have internal predecessors, (1187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:58,587 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:37:58,587 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:37:58,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 17:37:58,587 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:37:58,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:37:58,588 INFO L82 PathProgramCache]: Analyzing trace with hash 415595730, now seen corresponding path program 1 times [2021-04-28 17:37:58,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:37:58,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604426175] [2021-04-28 17:37:58,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:37:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:37:58,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:58,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:37:58,721 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:37:58,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:37:58,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:58,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:37:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:37:58,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604426175] [2021-04-28 17:37:58,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:37:58,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:37:58,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871954104] [2021-04-28 17:37:58,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:37:58,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:37:58,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:37:58,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:37:58,748 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 345 [2021-04-28 17:37:58,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 62 transitions, 479 flow. Second operand has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:58,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:37:58,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 345 [2021-04-28 17:37:58,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:37:59,213 INFO L129 PetriNetUnfolder]: 914/1660 cut-off events. [2021-04-28 17:37:59,213 INFO L130 PetriNetUnfolder]: For 4025/4593 co-relation queries the response was YES. [2021-04-28 17:37:59,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5356 conditions, 1660 events. 914/1660 cut-off events. For 4025/4593 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 11883 event pairs, 372 based on Foata normal form. 261/1179 useless extension candidates. Maximal degree in co-relation 5333. Up to 1039 conditions per place. [2021-04-28 17:37:59,236 INFO L132 encePairwiseOnDemand]: 333/345 looper letters, 24 selfloop transitions, 20 changer transitions 0/87 dead transitions. [2021-04-28 17:37:59,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 87 transitions, 591 flow [2021-04-28 17:37:59,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:37:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:37:59,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1212 transitions. [2021-04-28 17:37:59,243 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7026086956521739 [2021-04-28 17:37:59,244 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1212 transitions. [2021-04-28 17:37:59,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1212 transitions. [2021-04-28 17:37:59,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:37:59,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1212 transitions. [2021-04-28 17:37:59,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 242.4) internal successors, (1212), 5 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:59,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 345.0) internal successors, (2070), 6 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:59,253 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 345.0) internal successors, (2070), 6 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:59,253 INFO L185 Difference]: Start difference. First operand has 61 places, 62 transitions, 479 flow. Second operand 5 states and 1212 transitions. [2021-04-28 17:37:59,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 87 transitions, 591 flow [2021-04-28 17:37:59,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 87 transitions, 564 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-04-28 17:37:59,265 INFO L241 Difference]: Finished difference. Result has 66 places, 78 transitions, 586 flow [2021-04-28 17:37:59,266 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=586, PETRI_PLACES=66, PETRI_TRANSITIONS=78} [2021-04-28 17:37:59,266 INFO L343 CegarLoopForPetriNet]: 138 programPoint places, -72 predicate places. [2021-04-28 17:37:59,266 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:37:59,266 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 78 transitions, 586 flow [2021-04-28 17:37:59,267 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 78 transitions, 586 flow [2021-04-28 17:37:59,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 78 transitions, 586 flow [2021-04-28 17:37:59,534 INFO L129 PetriNetUnfolder]: 974/1795 cut-off events. [2021-04-28 17:37:59,534 INFO L130 PetriNetUnfolder]: For 4086/4954 co-relation queries the response was YES. [2021-04-28 17:37:59,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6871 conditions, 1795 events. 974/1795 cut-off events. For 4086/4954 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 12763 event pairs, 413 based on Foata normal form. 34/1000 useless extension candidates. Maximal degree in co-relation 6847. Up to 1213 conditions per place. [2021-04-28 17:37:59,573 INFO L146 LiptonReduction]: Number of co-enabled transitions 1132 [2021-04-28 17:37:59,586 INFO L158 LiptonReduction]: Checked pairs total: 810 [2021-04-28 17:37:59,586 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:37:59,586 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 320 [2021-04-28 17:37:59,587 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 78 transitions, 586 flow [2021-04-28 17:37:59,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:59,588 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:37:59,588 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:37:59,588 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 17:37:59,589 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:37:59,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:37:59,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1410744187, now seen corresponding path program 1 times [2021-04-28 17:37:59,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:37:59,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039701977] [2021-04-28 17:37:59,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:37:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:37:59,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:59,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:37:59,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:59,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:37:59,715 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:37:59,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:37:59,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:37:59,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:37:59,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:37:59,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039701977] [2021-04-28 17:37:59,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:37:59,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 17:37:59,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373947597] [2021-04-28 17:37:59,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:37:59,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:37:59,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:37:59,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:37:59,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 345 [2021-04-28 17:37:59,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 78 transitions, 586 flow. Second operand has 5 states, 5 states have (on average 234.8) internal successors, (1174), 5 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:37:59,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:37:59,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 345 [2021-04-28 17:37:59,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:38:00,238 INFO L129 PetriNetUnfolder]: 629/1360 cut-off events. [2021-04-28 17:38:00,239 INFO L130 PetriNetUnfolder]: For 4945/7015 co-relation queries the response was YES. [2021-04-28 17:38:00,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6022 conditions, 1360 events. 629/1360 cut-off events. For 4945/7015 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 10931 event pairs, 84 based on Foata normal form. 328/1037 useless extension candidates. Maximal degree in co-relation 5996. Up to 959 conditions per place. [2021-04-28 17:38:00,259 INFO L132 encePairwiseOnDemand]: 333/345 looper letters, 12 selfloop transitions, 39 changer transitions 9/97 dead transitions. [2021-04-28 17:38:00,259 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 97 transitions, 787 flow [2021-04-28 17:38:00,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 17:38:00,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 17:38:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1699 transitions. [2021-04-28 17:38:00,269 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7035196687370601 [2021-04-28 17:38:00,269 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1699 transitions. [2021-04-28 17:38:00,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1699 transitions. [2021-04-28 17:38:00,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:38:00,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1699 transitions. [2021-04-28 17:38:00,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 242.71428571428572) internal successors, (1699), 7 states have internal predecessors, (1699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:00,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 345.0) internal successors, (2760), 8 states have internal predecessors, (2760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:00,284 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 345.0) internal successors, (2760), 8 states have internal predecessors, (2760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:00,284 INFO L185 Difference]: Start difference. First operand has 66 places, 78 transitions, 586 flow. Second operand 7 states and 1699 transitions. [2021-04-28 17:38:00,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 97 transitions, 787 flow [2021-04-28 17:38:00,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 97 transitions, 755 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-04-28 17:38:00,306 INFO L241 Difference]: Finished difference. Result has 70 places, 88 transitions, 734 flow [2021-04-28 17:38:00,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=734, PETRI_PLACES=70, PETRI_TRANSITIONS=88} [2021-04-28 17:38:00,307 INFO L343 CegarLoopForPetriNet]: 138 programPoint places, -68 predicate places. [2021-04-28 17:38:00,307 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:38:00,307 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 88 transitions, 734 flow [2021-04-28 17:38:00,308 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 88 transitions, 734 flow [2021-04-28 17:38:00,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 88 transitions, 734 flow [2021-04-28 17:38:00,537 INFO L129 PetriNetUnfolder]: 533/1237 cut-off events. [2021-04-28 17:38:00,537 INFO L130 PetriNetUnfolder]: For 4635/6323 co-relation queries the response was YES. [2021-04-28 17:38:00,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6012 conditions, 1237 events. 533/1237 cut-off events. For 4635/6323 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 9694 event pairs, 103 based on Foata normal form. 24/705 useless extension candidates. Maximal degree in co-relation 5986. Up to 824 conditions per place. [2021-04-28 17:38:00,567 INFO L146 LiptonReduction]: Number of co-enabled transitions 1288 [2021-04-28 17:38:00,575 INFO L158 LiptonReduction]: Checked pairs total: 750 [2021-04-28 17:38:00,575 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:38:00,575 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 268 [2021-04-28 17:38:00,576 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 88 transitions, 734 flow [2021-04-28 17:38:00,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 234.8) internal successors, (1174), 5 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:00,577 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:38:00,577 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:38:00,577 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 17:38:00,577 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:38:00,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:38:00,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1927575820, now seen corresponding path program 1 times [2021-04-28 17:38:00,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:38:00,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167868689] [2021-04-28 17:38:00,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:38:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:38:00,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:38:00,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:38:00,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:38:00,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:38:00,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:38:00,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:38:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:38:00,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167868689] [2021-04-28 17:38:00,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:38:00,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:38:00,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804469566] [2021-04-28 17:38:00,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:38:00,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:38:00,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:38:00,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:38:00,679 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 345 [2021-04-28 17:38:00,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 88 transitions, 734 flow. Second operand has 4 states, 4 states have (on average 223.0) internal successors, (892), 4 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:00,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:38:00,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 345 [2021-04-28 17:38:00,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:38:01,110 INFO L129 PetriNetUnfolder]: 981/2265 cut-off events. [2021-04-28 17:38:01,111 INFO L130 PetriNetUnfolder]: For 9458/12505 co-relation queries the response was YES. [2021-04-28 17:38:01,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10942 conditions, 2265 events. 981/2265 cut-off events. For 9458/12505 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 20385 event pairs, 147 based on Foata normal form. 116/1294 useless extension candidates. Maximal degree in co-relation 10914. Up to 1607 conditions per place. [2021-04-28 17:38:01,141 INFO L132 encePairwiseOnDemand]: 341/345 looper letters, 3 selfloop transitions, 3 changer transitions 0/89 dead transitions. [2021-04-28 17:38:01,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 89 transitions, 748 flow [2021-04-28 17:38:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 17:38:01,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 17:38:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 895 transitions. [2021-04-28 17:38:01,148 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6485507246376812 [2021-04-28 17:38:01,148 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 895 transitions. [2021-04-28 17:38:01,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 895 transitions. [2021-04-28 17:38:01,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:38:01,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 895 transitions. [2021-04-28 17:38:01,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 223.75) internal successors, (895), 4 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:01,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 345.0) internal successors, (1725), 5 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:01,155 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 345.0) internal successors, (1725), 5 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:01,155 INFO L185 Difference]: Start difference. First operand has 70 places, 88 transitions, 734 flow. Second operand 4 states and 895 transitions. [2021-04-28 17:38:01,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 89 transitions, 748 flow [2021-04-28 17:38:01,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 89 transitions, 653 flow, removed 37 selfloop flow, removed 2 redundant places. [2021-04-28 17:38:01,295 INFO L241 Difference]: Finished difference. Result has 73 places, 89 transitions, 655 flow [2021-04-28 17:38:01,295 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=655, PETRI_PLACES=73, PETRI_TRANSITIONS=89} [2021-04-28 17:38:01,295 INFO L343 CegarLoopForPetriNet]: 138 programPoint places, -65 predicate places. [2021-04-28 17:38:01,296 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:38:01,296 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 89 transitions, 655 flow [2021-04-28 17:38:01,296 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 89 transitions, 655 flow [2021-04-28 17:38:01,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 89 transitions, 655 flow [2021-04-28 17:38:01,626 INFO L129 PetriNetUnfolder]: 981/2280 cut-off events. [2021-04-28 17:38:01,626 INFO L130 PetriNetUnfolder]: For 7701/8328 co-relation queries the response was YES. [2021-04-28 17:38:01,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9499 conditions, 2280 events. 981/2280 cut-off events. For 7701/8328 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 20528 event pairs, 176 based on Foata normal form. 45/1248 useless extension candidates. Maximal degree in co-relation 9471. Up to 817 conditions per place. [2021-04-28 17:38:01,675 INFO L146 LiptonReduction]: Number of co-enabled transitions 1308 [2021-04-28 17:38:01,682 INFO L158 LiptonReduction]: Checked pairs total: 465 [2021-04-28 17:38:01,682 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:38:01,682 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 387 [2021-04-28 17:38:01,683 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 89 transitions, 655 flow [2021-04-28 17:38:01,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 223.0) internal successors, (892), 4 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:01,693 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:38:01,693 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:38:01,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 17:38:01,693 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:38:01,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:38:01,694 INFO L82 PathProgramCache]: Analyzing trace with hash 162041810, now seen corresponding path program 2 times [2021-04-28 17:38:01,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:38:01,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663982787] [2021-04-28 17:38:01,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:38:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:38:01,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:38:01,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:38:01,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:38:01,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:38:01,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:38:01,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:38:01,817 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:38:01,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:38:01,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:38:01,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:38:01,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:38:01,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663982787] [2021-04-28 17:38:01,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:38:01,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 17:38:01,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349968292] [2021-04-28 17:38:01,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 17:38:01,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:38:01,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 17:38:01,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 17:38:01,849 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 345 [2021-04-28 17:38:01,851 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 89 transitions, 655 flow. Second operand has 6 states, 6 states have (on average 234.83333333333334) internal successors, (1409), 6 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:01,851 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:38:01,851 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 345 [2021-04-28 17:38:01,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:38:02,503 INFO L129 PetriNetUnfolder]: 639/1698 cut-off events. [2021-04-28 17:38:02,504 INFO L130 PetriNetUnfolder]: For 8162/11653 co-relation queries the response was YES. [2021-04-28 17:38:02,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7636 conditions, 1698 events. 639/1698 cut-off events. For 8162/11653 co-relation queries the response was YES. Maximal size of possible extension queue 378. Compared 16060 event pairs, 3 based on Foata normal form. 488/1252 useless extension candidates. Maximal degree in co-relation 7606. Up to 630 conditions per place. [2021-04-28 17:38:02,521 INFO L132 encePairwiseOnDemand]: 333/345 looper letters, 2 selfloop transitions, 49 changer transitions 11/98 dead transitions. [2021-04-28 17:38:02,522 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 98 transitions, 837 flow [2021-04-28 17:38:02,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 17:38:02,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 17:38:02,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2168 transitions. [2021-04-28 17:38:02,531 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6982286634460547 [2021-04-28 17:38:02,531 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2168 transitions. [2021-04-28 17:38:02,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2168 transitions. [2021-04-28 17:38:02,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:38:02,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2168 transitions. [2021-04-28 17:38:02,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 240.88888888888889) internal successors, (2168), 9 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:02,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 345.0) internal successors, (3450), 10 states have internal predecessors, (3450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:02,546 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 345.0) internal successors, (3450), 10 states have internal predecessors, (3450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:02,546 INFO L185 Difference]: Start difference. First operand has 73 places, 89 transitions, 655 flow. Second operand 9 states and 2168 transitions. [2021-04-28 17:38:02,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 98 transitions, 837 flow [2021-04-28 17:38:02,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 98 transitions, 815 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-04-28 17:38:02,605 INFO L241 Difference]: Finished difference. Result has 81 places, 87 transitions, 743 flow [2021-04-28 17:38:02,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=743, PETRI_PLACES=81, PETRI_TRANSITIONS=87} [2021-04-28 17:38:02,605 INFO L343 CegarLoopForPetriNet]: 138 programPoint places, -57 predicate places. [2021-04-28 17:38:02,605 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:38:02,605 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 87 transitions, 743 flow [2021-04-28 17:38:02,606 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 87 transitions, 743 flow [2021-04-28 17:38:02,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 87 transitions, 743 flow [2021-04-28 17:38:02,789 INFO L129 PetriNetUnfolder]: 528/1521 cut-off events. [2021-04-28 17:38:02,789 INFO L130 PetriNetUnfolder]: For 5031/6545 co-relation queries the response was YES. [2021-04-28 17:38:02,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6931 conditions, 1521 events. 528/1521 cut-off events. For 5031/6545 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 14765 event pairs, 3 based on Foata normal form. 32/727 useless extension candidates. Maximal degree in co-relation 6901. Up to 630 conditions per place. [2021-04-28 17:38:02,820 INFO L146 LiptonReduction]: Number of co-enabled transitions 1250 [2021-04-28 17:38:02,848 INFO L158 LiptonReduction]: Checked pairs total: 445 [2021-04-28 17:38:02,848 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:38:02,848 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 243 [2021-04-28 17:38:02,851 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 87 transitions, 743 flow [2021-04-28 17:38:02,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 234.83333333333334) internal successors, (1409), 6 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:02,852 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:38:02,852 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:38:02,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 17:38:02,852 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:38:02,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:38:02,852 INFO L82 PathProgramCache]: Analyzing trace with hash -768612137, now seen corresponding path program 1 times [2021-04-28 17:38:02,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:38:02,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096945071] [2021-04-28 17:38:02,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:38:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:38:02,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:38:02,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 17:38:02,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:38:02,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:38:03,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:38:03,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 17:38:03,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:38:03,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 17:38:03,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:38:03,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 17:38:03,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:38:03,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096945071] [2021-04-28 17:38:03,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:38:03,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 17:38:03,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125952215] [2021-04-28 17:38:03,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 17:38:03,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:38:03,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 17:38:03,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-28 17:38:03,069 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 345 [2021-04-28 17:38:03,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 87 transitions, 743 flow. Second operand has 7 states, 7 states have (on average 187.42857142857142) internal successors, (1312), 7 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:03,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:38:03,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 345 [2021-04-28 17:38:03,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:38:03,907 INFO L129 PetriNetUnfolder]: 1148/3237 cut-off events. [2021-04-28 17:38:03,908 INFO L130 PetriNetUnfolder]: For 12685/15822 co-relation queries the response was YES. [2021-04-28 17:38:03,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15057 conditions, 3237 events. 1148/3237 cut-off events. For 12685/15822 co-relation queries the response was YES. Maximal size of possible extension queue 871. Compared 34974 event pairs, 3 based on Foata normal form. 117/1608 useless extension candidates. Maximal degree in co-relation 15025. Up to 1350 conditions per place. [2021-04-28 17:38:03,950 INFO L132 encePairwiseOnDemand]: 338/345 looper letters, 20 selfloop transitions, 3 changer transitions 48/128 dead transitions. [2021-04-28 17:38:03,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 128 transitions, 1243 flow [2021-04-28 17:38:03,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 17:38:03,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 17:38:03,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1710 transitions. [2021-04-28 17:38:03,959 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5507246376811594 [2021-04-28 17:38:03,960 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1710 transitions. [2021-04-28 17:38:03,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1710 transitions. [2021-04-28 17:38:03,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:38:03,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1710 transitions. [2021-04-28 17:38:03,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 190.0) internal successors, (1710), 9 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:03,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 345.0) internal successors, (3450), 10 states have internal predecessors, (3450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:03,973 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 345.0) internal successors, (3450), 10 states have internal predecessors, (3450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:03,974 INFO L185 Difference]: Start difference. First operand has 80 places, 87 transitions, 743 flow. Second operand 9 states and 1710 transitions. [2021-04-28 17:38:03,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 128 transitions, 1243 flow [2021-04-28 17:38:04,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 128 transitions, 1089 flow, removed 33 selfloop flow, removed 8 redundant places. [2021-04-28 17:38:04,467 INFO L241 Difference]: Finished difference. Result has 85 places, 76 transitions, 520 flow [2021-04-28 17:38:04,468 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=593, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=520, PETRI_PLACES=85, PETRI_TRANSITIONS=76} [2021-04-28 17:38:04,468 INFO L343 CegarLoopForPetriNet]: 138 programPoint places, -53 predicate places. [2021-04-28 17:38:04,468 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:38:04,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 76 transitions, 520 flow [2021-04-28 17:38:04,468 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 76 transitions, 520 flow [2021-04-28 17:38:04,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 76 transitions, 520 flow [2021-04-28 17:38:04,571 INFO L129 PetriNetUnfolder]: 286/890 cut-off events. [2021-04-28 17:38:04,572 INFO L130 PetriNetUnfolder]: For 1305/1369 co-relation queries the response was YES. [2021-04-28 17:38:04,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3221 conditions, 890 events. 286/890 cut-off events. For 1305/1369 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 7739 event pairs, 2 based on Foata normal form. 18/467 useless extension candidates. Maximal degree in co-relation 3189. Up to 360 conditions per place. [2021-04-28 17:38:04,588 INFO L146 LiptonReduction]: Number of co-enabled transitions 706 [2021-04-28 17:38:04,931 INFO L158 LiptonReduction]: Checked pairs total: 108 [2021-04-28 17:38:04,931 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-28 17:38:04,931 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 463 [2021-04-28 17:38:04,932 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 76 transitions, 528 flow [2021-04-28 17:38:04,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 187.42857142857142) internal successors, (1312), 7 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:38:04,933 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:38:04,933 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:38:04,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 17:38:04,934 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:38:04,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:38:04,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1209621309, now seen corresponding path program 2 times [2021-04-28 17:38:04,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:38:04,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806325254] [2021-04-28 17:38:04,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:38:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 17:38:05,005 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 17:38:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 17:38:05,074 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 17:38:05,129 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 17:38:05,130 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 17:38:05,130 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-28 17:38:05,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 05:38:05 BasicIcfg [2021-04-28 17:38:05,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 17:38:05,236 INFO L168 Benchmark]: Toolchain (without parser) took 143069.49 ms. Allocated memory was 312.5 MB in the beginning and 723.5 MB in the end (delta: 411.0 MB). Free memory was 286.2 MB in the beginning and 482.9 MB in the end (delta: -196.7 MB). Peak memory consumption was 216.7 MB. Max. memory is 16.0 GB. [2021-04-28 17:38:05,237 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 312.5 MB. Free memory was 281.0 MB in the beginning and 280.9 MB in the end (delta: 80.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 17:38:05,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 838.23 ms. Allocated memory is still 312.5 MB. Free memory was 283.1 MB in the beginning and 278.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.0 GB. [2021-04-28 17:38:05,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.30 ms. Allocated memory is still 312.5 MB. Free memory was 278.6 MB in the beginning and 275.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-28 17:38:05,241 INFO L168 Benchmark]: Boogie Preprocessor took 51.99 ms. Allocated memory is still 312.5 MB. Free memory was 275.5 MB in the beginning and 273.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 17:38:05,241 INFO L168 Benchmark]: RCFGBuilder took 2194.13 ms. Allocated memory was 312.5 MB in the beginning and 375.4 MB in the end (delta: 62.9 MB). Free memory was 273.4 MB in the beginning and 252.5 MB in the end (delta: 20.9 MB). Peak memory consumption was 138.4 MB. Max. memory is 16.0 GB. [2021-04-28 17:38:05,241 INFO L168 Benchmark]: TraceAbstraction took 139870.96 ms. Allocated memory was 375.4 MB in the beginning and 723.5 MB in the end (delta: 348.1 MB). Free memory was 251.4 MB in the beginning and 482.9 MB in the end (delta: -231.5 MB). Peak memory consumption was 117.7 MB. Max. memory is 16.0 GB. [2021-04-28 17:38:05,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 312.5 MB. Free memory was 281.0 MB in the beginning and 280.9 MB in the end (delta: 80.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 838.23 ms. Allocated memory is still 312.5 MB. Free memory was 283.1 MB in the beginning and 278.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 65.30 ms. Allocated memory is still 312.5 MB. Free memory was 278.6 MB in the beginning and 275.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 51.99 ms. Allocated memory is still 312.5 MB. Free memory was 275.5 MB in the beginning and 273.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2194.13 ms. Allocated memory was 312.5 MB in the beginning and 375.4 MB in the end (delta: 62.9 MB). Free memory was 273.4 MB in the beginning and 252.5 MB in the end (delta: 20.9 MB). Peak memory consumption was 138.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 139870.96 ms. Allocated memory was 375.4 MB in the beginning and 723.5 MB in the end (delta: 348.1 MB). Free memory was 251.4 MB in the beginning and 482.9 MB in the end (delta: -231.5 MB). Peak memory consumption was 117.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 127417.6ms, 109 PlacesBefore, 138 PlacesAfterwards, 101 TransitionsBefore, 130 TransitionsAfterwards, 1954 CoEnabledTransitionPairs, 9 FixpointIterations, 159 TrivialSequentialCompositions, 79 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 239 TotalNumberOfCompositions, 19233 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3994, positive: 3678, positive conditional: 3678, positive unconditional: 0, negative: 316, negative conditional: 316, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1972, positive: 1918, positive conditional: 0, positive unconditional: 1918, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1972, positive: 1918, positive conditional: 0, positive unconditional: 1918, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1972, positive: 1895, positive conditional: 0, positive unconditional: 1895, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 77, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1206, positive: 87, positive conditional: 0, positive unconditional: 87, negative: 1120, negative conditional: 0, negative unconditional: 1120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3994, positive: 1760, positive conditional: 1760, positive unconditional: 0, negative: 262, negative conditional: 262, negative unconditional: 0, unknown: 1972, unknown conditional: 1972, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1972, Positive cache size: 1918, Positive conditional cache size: 1918, Positive unconditional cache size: 0, Negative cache size: 54, Negative conditional cache size: 54, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 452.7ms, 134 PlacesBefore, 54 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 1176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1118 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 150, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 27, positive conditional: 3, positive unconditional: 24, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 45, positive: 27, positive conditional: 3, positive unconditional: 24, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 45, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 435, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 435, negative conditional: 0, negative unconditional: 435, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 150, positive: 87, positive conditional: 87, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2017, Positive cache size: 1945, Positive conditional cache size: 1945, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 563.9ms, 55 PlacesBefore, 41 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 534 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1338 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 279, positive: 212, positive conditional: 212, positive unconditional: 0, negative: 67, negative conditional: 67, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77, positive: 65, positive conditional: 25, positive unconditional: 40, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 77, positive: 65, positive conditional: 25, positive unconditional: 40, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 77, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 251, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 225, negative conditional: 0, negative unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 279, positive: 147, positive conditional: 147, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 77, unknown conditional: 77, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2094, Positive cache size: 2010, Positive conditional cache size: 2010, 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: 72.6ms, 42 PlacesBefore, 40 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 460 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1110 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 206, positive: 147, positive conditional: 147, positive unconditional: 0, negative: 59, negative conditional: 59, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 15, positive unconditional: 3, 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: 18, positive: 18, positive conditional: 15, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 0, positive unconditional: 18, 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: 206, positive: 129, positive conditional: 129, positive unconditional: 0, negative: 59, negative conditional: 59, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2112, Positive cache size: 2028, Positive conditional cache size: 2028, 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: 203.5ms, 43 PlacesBefore, 43 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 325 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 116, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 1, positive unconditional: 9, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 1, positive unconditional: 9, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 174, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 174, negative conditional: 0, negative unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 116, positive: 91, positive conditional: 91, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2125, Positive cache size: 2038, Positive conditional cache size: 2038, 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: 172.0ms, 47 PlacesBefore, 47 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 586 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 411 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 92, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 142, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 142, negative conditional: 0, negative unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 92, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2138, Positive cache size: 2048, Positive conditional cache size: 2048, Positive unconditional cache size: 0, Negative cache size: 90, Negative conditional cache size: 90, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 162.4ms, 51 PlacesBefore, 51 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 726 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 496 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 98, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 10, positive conditional: 6, 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: 12, positive: 10, positive conditional: 6, 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: 12, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 107, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 107, negative conditional: 107, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 98, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2150, Positive cache size: 2058, Positive conditional cache size: 2058, 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: 56.7ms, 56 PlacesBefore, 56 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 782 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 700 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 156, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, 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: 10, positive: 10, positive conditional: 10, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 156, positive: 124, positive conditional: 124, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2160, Positive cache size: 2068, Positive conditional cache size: 2068, 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: 74.6ms, 61 PlacesBefore, 61 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 882 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 970 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 234, positive: 207, positive conditional: 207, 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: 20, positive: 20, positive conditional: 20, 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: 20, positive: 20, positive conditional: 20, 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: 20, positive: 20, positive conditional: 0, positive unconditional: 20, 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: 234, positive: 187, positive conditional: 187, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2180, Positive cache size: 2088, Positive conditional cache size: 2088, 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: 319.6ms, 66 PlacesBefore, 66 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 1132 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 810 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 307, positive: 288, positive conditional: 288, 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: 31, positive: 31, positive conditional: 18, positive unconditional: 13, 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: 31, positive: 31, positive conditional: 18, positive unconditional: 13, 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: 31, positive: 31, positive conditional: 0, positive unconditional: 31, 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: 307, positive: 257, positive conditional: 257, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2211, Positive cache size: 2119, Positive conditional cache size: 2119, 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: 267.5ms, 70 PlacesBefore, 70 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 1288 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 750 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 158, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 17, 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: 19, positive: 19, positive conditional: 17, 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: 19, positive: 19, positive conditional: 0, positive unconditional: 19, 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: 158, positive: 123, positive conditional: 123, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2230, Positive cache size: 2138, Positive conditional cache size: 2138, 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: 386.1ms, 73 PlacesBefore, 73 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 1308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 465 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 122, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 13, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 13, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, 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: 122, positive: 98, positive conditional: 98, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2244, Positive cache size: 2152, Positive conditional cache size: 2152, 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: 242.3ms, 81 PlacesBefore, 80 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 1250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 445 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 153, positive conditional: 153, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, positive: 38, positive conditional: 37, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 38, positive: 38, positive conditional: 37, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 38, positive: 38, positive conditional: 0, positive unconditional: 38, 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: 163, positive: 115, positive conditional: 115, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2282, Positive cache size: 2190, Positive conditional cache size: 2190, 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: 462.6ms, 85 PlacesBefore, 76 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 706 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 108 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 108, positive: 108, positive conditional: 108, 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: 73, positive: 73, positive conditional: 67, 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: 73, positive: 73, positive conditional: 67, 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: 73, positive: 73, positive conditional: 0, positive unconditional: 73, 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: 108, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2355, Positive cache size: 2263, Positive conditional cache size: 2263, Positive unconditional cache size: 0, Negative cache size: 92, Negative conditional cache size: 92, 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_p1_EAX = 0; [L713] 0 int __unbuffered_p1_EBX = 0; [L715] 0 int __unbuffered_p2_EAX = 0; [L717] 0 int __unbuffered_p2_EBX = 0; [L719] 0 int a = 0; [L720] 0 _Bool main$tmp_guard0; [L721] 0 _Bool main$tmp_guard1; [L723] 0 int x = 0; [L724] 0 _Bool x$flush_delayed; [L725] 0 int x$mem_tmp; [L726] 0 _Bool x$r_buff0_thd0; [L727] 0 _Bool x$r_buff0_thd1; [L728] 0 _Bool x$r_buff0_thd2; [L729] 0 _Bool x$r_buff0_thd3; [L730] 0 _Bool x$r_buff1_thd0; [L731] 0 _Bool x$r_buff1_thd1; [L732] 0 _Bool x$r_buff1_thd2; [L733] 0 _Bool x$r_buff1_thd3; [L734] 0 _Bool x$read_delayed; [L735] 0 int *x$read_delayed_var; [L736] 0 int x$w_buff0; [L737] 0 _Bool x$w_buff0_used; [L738] 0 int x$w_buff1; [L739] 0 _Bool x$w_buff1_used; [L741] 0 int y = 0; [L743] 0 int z = 0; [L744] 0 _Bool weak$$choice0; [L745] 0 _Bool weak$$choice2; [L835] 0 pthread_t t299; [L836] FCALL, FORK 0 pthread_create(&t299, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L837] 0 pthread_t t300; [L838] FCALL, FORK 0 pthread_create(&t300, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L769] 2 x$w_buff1 = x$w_buff0 [L770] 2 x$w_buff0 = 2 [L771] 2 x$w_buff1_used = x$w_buff0_used [L772] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L774] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L775] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L776] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L777] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L778] 2 x$r_buff0_thd2 = (_Bool)1 [L781] 2 y = 1 [L784] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L787] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L839] 0 pthread_t t301; [L840] FCALL, FORK 0 pthread_create(&t301, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L804] 3 z = 1 [L807] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L810] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L749] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L752] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L790] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L791] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L792] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L793] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L794] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L755] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L755] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L756] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L756] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L757] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L757] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L758] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L758] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L759] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L759] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L813] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L813] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L813] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L813] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L814] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L814] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L815] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L815] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L816] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L816] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L817] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L817] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L820] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L842] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L846] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L846] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L846] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L846] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L847] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L847] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L848] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L848] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L849] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L849] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L850] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L850] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L853] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L854] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L855] 0 x$flush_delayed = weak$$choice2 [L856] 0 x$mem_tmp = x [L857] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L857] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L858] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L858] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0) [L858] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L858] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L859] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L859] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1) [L859] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L859] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L860] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L860] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used) [L860] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L860] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L861] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L861] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L861] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L861] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L862] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0) [L862] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L862] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L863] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L863] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L863] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L863] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L864] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L865] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L865] 0 x = x$flush_delayed ? x$mem_tmp : x [L866] 0 x$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 103 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 29.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 139636.8ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 6083.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 127535.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 69 SDtfs, 60 SDslu, 22 SDs, 0 SdLazy, 445 SolverSat, 167 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1135.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1043.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=743occurred in iteration=12, InterpolantAutomatonStates: 67, 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: 55.2ms SsaConstructionTime, 561.5ms SatisfiabilityAnalysisTime, 1505.5ms InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 883 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...