/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/mix041_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:55:57,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:55:57,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:55:57,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:55:57,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:55:57,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:55:57,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:55:57,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:55:57,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:55:57,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:55:57,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:55:57,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:55:57,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:55:57,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:55:57,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:55:57,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:55:57,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:55:57,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:55:57,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:55:57,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:55:57,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:55:57,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:55:57,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:55:57,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:55:57,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 20:55:57,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 20:55:57,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 20:55:57,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 20:55:57,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 20:55:57,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 20:55:57,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:55:57,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:55:57,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:55:57,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:55:57,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:55:57,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:55:57,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:55:57,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:55:57,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:55:57,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:55:57,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:55:57,186 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 20:55:57,241 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:55:57,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:55:57,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:55:57,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:55:57,246 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:55:57,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:55:57,247 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:55:57,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:55:57,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:55:57,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:55:57,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:55:57,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:55:57,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:55:57,250 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:55:57,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:55:57,250 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:55:57,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:55:57,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:55:57,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:55:57,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:55:57,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:55:57,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:55:57,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:55:57,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:55:57,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:55:57,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:55:57,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:55:57,253 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:55:57,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:55:57,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:55:57,253 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:55:57,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:55:57,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:55:57,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:55:57,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:55:57,669 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:55:57,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix041_power.opt.i [2021-04-28 20:55:57,755 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f1ccac5/a4138744d57440ccbff8a82ff87a1c2b/FLAGad79e2c99 [2021-04-28 20:55:58,446 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:55:58,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix041_power.opt.i [2021-04-28 20:55:58,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f1ccac5/a4138744d57440ccbff8a82ff87a1c2b/FLAGad79e2c99 [2021-04-28 20:55:58,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f1ccac5/a4138744d57440ccbff8a82ff87a1c2b [2021-04-28 20:55:58,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:55:58,797 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:55:58,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:55:58,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:55:58,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:55:58,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:55:58" (1/1) ... [2021-04-28 20:55:58,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d62272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:55:58, skipping insertion in model container [2021-04-28 20:55:58,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:55:58" (1/1) ... [2021-04-28 20:55:58,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:55:58,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:55:59,027 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/mix041_power.opt.i[950,963] [2021-04-28 20:55:59,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:55:59,272 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:55:59,285 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/mix041_power.opt.i[950,963] [2021-04-28 20:55:59,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:55:59,473 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:55:59,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:55:59 WrapperNode [2021-04-28 20:55:59,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:55:59,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:55:59,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:55:59,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:55:59,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:55:59" (1/1) ... [2021-04-28 20:55:59,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:55:59" (1/1) ... [2021-04-28 20:55:59,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:55:59,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:55:59,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:55:59,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:55:59,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:55:59" (1/1) ... [2021-04-28 20:55:59,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:55:59" (1/1) ... [2021-04-28 20:55:59,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:55:59" (1/1) ... [2021-04-28 20:55:59,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:55:59" (1/1) ... [2021-04-28 20:55:59,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:55:59" (1/1) ... [2021-04-28 20:55:59,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:55:59" (1/1) ... [2021-04-28 20:55:59,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:55:59" (1/1) ... [2021-04-28 20:55:59,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:55:59,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:55:59,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:55:59,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:55:59,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:55:59" (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 20:55:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:55:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:55:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:55:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:55:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:55:59,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:55:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:55:59,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:55:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:55:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:55:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:55:59,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:55:59,743 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 20:56:01,746 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:56:01,746 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:56:01,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:56:01 BoogieIcfgContainer [2021-04-28 20:56:01,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:56:01,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:56:01,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:56:01,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:56:01,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:55:58" (1/3) ... [2021-04-28 20:56:01,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba36eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:56:01, skipping insertion in model container [2021-04-28 20:56:01,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:55:59" (2/3) ... [2021-04-28 20:56:01,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba36eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:56:01, skipping insertion in model container [2021-04-28 20:56:01,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:56:01" (3/3) ... [2021-04-28 20:56:01,758 INFO L111 eAbstractionObserver]: Analyzing ICFG mix041_power.opt.i [2021-04-28 20:56:01,766 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:56:01,771 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:56:01,773 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:56:01,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,807 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,807 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,808 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,808 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,812 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,812 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,812 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,814 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,814 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,814 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,814 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,814 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,815 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,815 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,815 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,815 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,815 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,816 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,816 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,816 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,818 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,818 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,818 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,818 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,824 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,824 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,824 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,830 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,830 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:56:01,832 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:56:01,855 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-28 20:56:01,881 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:56:01,882 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:56:01,882 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:56:01,882 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:56:01,882 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:56:01,882 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:56:01,882 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:56:01,883 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:56:01,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 84 transitions, 178 flow [2021-04-28 20:56:01,940 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-04-28 20:56:01,940 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:56:01,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-04-28 20:56:01,945 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 84 transitions, 178 flow [2021-04-28 20:56:01,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 82 transitions, 170 flow [2021-04-28 20:56:01,953 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:56:01,970 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 82 transitions, 170 flow [2021-04-28 20:56:01,974 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 82 transitions, 170 flow [2021-04-28 20:56:01,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 82 transitions, 170 flow [2021-04-28 20:56:01,999 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-04-28 20:56:01,999 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:56:02,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-04-28 20:56:02,006 INFO L146 LiptonReduction]: Number of co-enabled transitions 1046 [2021-04-28 20:56:05,048 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 20:56:05,460 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 20:56:07,459 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 20:56:08,420 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 20:56:08,798 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:56:08,902 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:56:09,365 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 20:56:09,545 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 20:56:11,999 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 20:56:12,480 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 20:56:14,526 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 20:56:15,495 WARN L205 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 20:56:16,537 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-28 20:56:17,020 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-04-28 20:56:19,218 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 310 DAG size of output: 265 [2021-04-28 20:56:20,161 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2021-04-28 20:56:21,318 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 20:56:21,842 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 20:56:24,112 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 20:56:25,169 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 20:56:27,549 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 20:56:28,083 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 20:56:30,504 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 310 DAG size of output: 265 [2021-04-28 20:56:31,687 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 262 [2021-04-28 20:56:32,962 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 229 DAG size of output: 188 [2021-04-28 20:56:33,526 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 20:56:36,090 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 20:56:37,304 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 20:56:38,652 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 20:56:39,269 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 20:56:42,044 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 20:56:43,296 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 20:56:44,796 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 20:56:46,080 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2021-04-28 20:56:49,059 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 20:56:50,393 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 20:56:52,325 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:56:52,499 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:56:52,714 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 20:56:52,931 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 20:56:53,155 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 20:56:53,367 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 20:56:53,560 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:56:53,744 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:56:53,937 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 20:56:54,136 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 20:56:55,871 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 20:56:56,585 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 20:56:59,759 WARN L205 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 20:57:01,374 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 20:57:03,183 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 20:57:04,011 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 20:57:07,813 WARN L205 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 20:57:09,598 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 20:57:11,612 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 20:57:12,577 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 20:57:16,645 WARN L205 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 20:57:18,531 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 20:57:19,807 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 20:57:20,125 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 20:57:20,230 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 20:57:20,481 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 20:57:20,593 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:57:20,852 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 20:57:20,966 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:57:21,143 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:57:21,411 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:57:21,723 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 20:57:21,829 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:57:22,059 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 20:57:22,163 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:57:22,280 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 20:57:22,402 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 20:57:22,520 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 20:57:22,637 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 20:57:23,890 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 20:57:24,005 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 20:57:24,117 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 20:57:24,235 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 20:57:25,770 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 20:57:25,880 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:57:26,138 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 20:57:26,256 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:57:26,436 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:57:26,687 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:57:27,003 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 20:57:27,111 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:57:27,364 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 20:57:27,468 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:57:27,751 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 20:57:27,875 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:57:28,134 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 20:57:28,284 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:57:28,573 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-28 20:57:28,708 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:57:29,011 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-28 20:57:29,137 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:57:29,353 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 20:57:29,657 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 20:57:30,031 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:57:30,267 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:57:30,512 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:57:30,750 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:57:30,971 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:57:31,190 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:57:31,404 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:57:31,616 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:57:31,754 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:57:31,904 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:57:32,051 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:57:32,212 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:57:32,456 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:57:32,697 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:57:32,957 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:57:33,235 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:57:33,987 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-04-28 20:57:34,325 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:57:35,063 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-04-28 20:57:35,430 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:57:35,614 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:57:35,791 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:57:35,970 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:57:36,152 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:57:36,361 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:57:36,560 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:57:36,776 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:57:36,990 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:57:37,189 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:57:37,379 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:57:37,561 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:57:37,773 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:57:37,943 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:57:38,103 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:57:38,288 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:57:38,475 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:57:38,648 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:57:38,816 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:57:38,970 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:57:39,123 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:57:39,391 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:57:39,640 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:57:39,895 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:57:40,144 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:57:40,380 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:57:40,606 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:57:40,844 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:57:41,096 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:57:41,258 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:57:41,417 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:57:41,560 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:57:41,702 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 20:57:41,869 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:57:42,035 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:57:42,213 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:57:42,381 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:57:42,611 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:57:42,846 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:57:43,067 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:57:43,291 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:57:43,492 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:57:43,690 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:57:43,893 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:57:44,114 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:57:44,341 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:57:44,580 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:57:44,835 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:57:45,083 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:57:45,800 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 20:57:46,134 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 20:57:46,841 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 20:57:47,194 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 20:57:47,343 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:57:47,485 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:57:47,638 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:57:47,793 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:57:48,058 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:57:48,308 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:57:48,550 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:57:48,799 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:57:49,035 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:57:49,269 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:57:49,500 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:57:49,736 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:57:49,923 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:57:50,101 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:57:50,279 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:57:50,460 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:57:50,699 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:57:50,941 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:57:51,193 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:57:51,461 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:57:51,507 INFO L158 LiptonReduction]: Checked pairs total: 9587 [2021-04-28 20:57:51,508 INFO L160 LiptonReduction]: Total number of compositions: 198 [2021-04-28 20:57:51,512 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 109561 [2021-04-28 20:57:51,536 INFO L129 PetriNetUnfolder]: 2/71 cut-off events. [2021-04-28 20:57:51,536 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:57:51,536 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:57:51,537 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 20:57:51,538 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:57:51,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:57:51,544 INFO L82 PathProgramCache]: Analyzing trace with hash 988877312, now seen corresponding path program 1 times [2021-04-28 20:57:51,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:57:51,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287597533] [2021-04-28 20:57:51,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:57:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:57:51,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:51,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:57:51,821 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 20:57:51,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287597533] [2021-04-28 20:57:51,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:57:51,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:57:51,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107325676] [2021-04-28 20:57:51,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:57:51,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:57:51,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:57:51,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:57:51,854 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 282 [2021-04-28 20:57:51,859 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 109 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 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 20:57:51,859 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:57:51,859 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 282 [2021-04-28 20:57:51,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:57:52,378 INFO L129 PetriNetUnfolder]: 212/553 cut-off events. [2021-04-28 20:57:52,379 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:57:52,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 955 conditions, 553 events. 212/553 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 3882 event pairs, 48 based on Foata normal form. 10/206 useless extension candidates. Maximal degree in co-relation 888. Up to 333 conditions per place. [2021-04-28 20:57:52,384 INFO L132 encePairwiseOnDemand]: 262/282 looper letters, 7 selfloop transitions, 4 changer transitions 85/121 dead transitions. [2021-04-28 20:57:52,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 121 transitions, 350 flow [2021-04-28 20:57:52,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:57:52,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:57:52,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 689 transitions. [2021-04-28 20:57:52,406 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8144208037825059 [2021-04-28 20:57:52,407 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 689 transitions. [2021-04-28 20:57:52,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 689 transitions. [2021-04-28 20:57:52,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:57:52,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 689 transitions. [2021-04-28 20:57:52,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:57:52,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 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 20:57:52,431 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 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 20:57:52,433 INFO L185 Difference]: Start difference. First operand has 114 places, 109 transitions, 224 flow. Second operand 3 states and 689 transitions. [2021-04-28 20:57:52,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 121 transitions, 350 flow [2021-04-28 20:57:52,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 121 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:57:52,441 INFO L241 Difference]: Finished difference. Result has 111 places, 33 transitions, 78 flow [2021-04-28 20:57:52,443 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=111, PETRI_TRANSITIONS=33} [2021-04-28 20:57:52,444 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -3 predicate places. [2021-04-28 20:57:52,444 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:57:52,445 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 33 transitions, 78 flow [2021-04-28 20:57:52,445 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 33 transitions, 78 flow [2021-04-28 20:57:52,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 33 transitions, 78 flow [2021-04-28 20:57:52,453 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-04-28 20:57:52,453 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:57:52,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 110 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 20:57:52,454 INFO L146 LiptonReduction]: Number of co-enabled transitions 576 [2021-04-28 20:57:52,812 INFO L158 LiptonReduction]: Checked pairs total: 498 [2021-04-28 20:57:52,813 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:57:52,813 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 369 [2021-04-28 20:57:52,814 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 78 flow [2021-04-28 20:57:52,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 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 20:57:52,815 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:57:52,816 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:57:52,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:57:52,816 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:57:52,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:57:52,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1123424408, now seen corresponding path program 1 times [2021-04-28 20:57:52,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:57:52,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730367055] [2021-04-28 20:57:52,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:57:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:57:52,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:52,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:57:53,003 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 20:57:53,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730367055] [2021-04-28 20:57:53,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:57:53,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:57:53,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353619338] [2021-04-28 20:57:53,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:57:53,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:57:53,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:57:53,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:57:53,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 282 [2021-04-28 20:57:53,010 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 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 20:57:53,010 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:57:53,010 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 282 [2021-04-28 20:57:53,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:57:53,030 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-04-28 20:57:53,031 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:57:53,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 114 event pairs, 0 based on Foata normal form. 1/18 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 20:57:53,031 INFO L132 encePairwiseOnDemand]: 279/282 looper letters, 1 selfloop transitions, 2 changer transitions 12/33 dead transitions. [2021-04-28 20:57:53,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 33 transitions, 84 flow [2021-04-28 20:57:53,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:57:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:57:53,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 601 transitions. [2021-04-28 20:57:53,037 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.710401891252955 [2021-04-28 20:57:53,037 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 601 transitions. [2021-04-28 20:57:53,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 601 transitions. [2021-04-28 20:57:53,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:57:53,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 601 transitions. [2021-04-28 20:57:53,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 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 20:57:53,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 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 20:57:53,044 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 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 20:57:53,044 INFO L185 Difference]: Start difference. First operand has 40 places, 33 transitions, 78 flow. Second operand 3 states and 601 transitions. [2021-04-28 20:57:53,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 33 transitions, 84 flow [2021-04-28 20:57:53,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 33 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:57:53,046 INFO L241 Difference]: Finished difference. Result has 41 places, 21 transitions, 54 flow [2021-04-28 20:57:53,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=41, PETRI_TRANSITIONS=21} [2021-04-28 20:57:53,047 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -73 predicate places. [2021-04-28 20:57:53,047 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:57:53,047 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 21 transitions, 54 flow [2021-04-28 20:57:53,047 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 21 transitions, 54 flow [2021-04-28 20:57:53,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 21 transitions, 54 flow [2021-04-28 20:57:53,052 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-04-28 20:57:53,052 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:57:53,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 21 events. 0/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 37 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 20:57:53,053 INFO L146 LiptonReduction]: Number of co-enabled transitions 206 [2021-04-28 20:57:54,022 INFO L158 LiptonReduction]: Checked pairs total: 502 [2021-04-28 20:57:54,022 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 20:57:54,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 975 [2021-04-28 20:57:54,024 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 21 transitions, 54 flow [2021-04-28 20:57:54,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 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 20:57:54,025 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:57:54,025 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:57:54,025 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:57:54,025 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:57:54,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:57:54,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1505364872, now seen corresponding path program 1 times [2021-04-28 20:57:54,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:57:54,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28649633] [2021-04-28 20:57:54,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:57:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:57:54,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:54,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:57:54,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:54,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:57:54,285 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-04-28 20:57:54,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 20:57:54,314 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 20:57:54,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28649633] [2021-04-28 20:57:54,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:57:54,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:57:54,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939171778] [2021-04-28 20:57:54,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:57:54,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:57:54,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:57:54,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:57:54,319 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 283 [2021-04-28 20:57:54,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 21 transitions, 54 flow. Second operand has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 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 20:57:54,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:57:54,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 283 [2021-04-28 20:57:54,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:57:54,508 INFO L129 PetriNetUnfolder]: 32/101 cut-off events. [2021-04-28 20:57:54,508 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-04-28 20:57:54,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 101 events. 32/101 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 436 event pairs, 2 based on Foata normal form. 2/85 useless extension candidates. Maximal degree in co-relation 182. Up to 49 conditions per place. [2021-04-28 20:57:54,509 INFO L132 encePairwiseOnDemand]: 276/283 looper letters, 9 selfloop transitions, 8 changer transitions 3/33 dead transitions. [2021-04-28 20:57:54,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 33 transitions, 124 flow [2021-04-28 20:57:54,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:57:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:57:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 887 transitions. [2021-04-28 20:57:54,517 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6268551236749117 [2021-04-28 20:57:54,517 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 887 transitions. [2021-04-28 20:57:54,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 887 transitions. [2021-04-28 20:57:54,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:57:54,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 887 transitions. [2021-04-28 20:57:54,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 177.4) internal successors, (887), 5 states have internal predecessors, (887), 0 states have call successors, (0), 0 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 20:57:54,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 283.0) internal successors, (1698), 6 states have internal predecessors, (1698), 0 states have call successors, (0), 0 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 20:57:54,527 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 283.0) internal successors, (1698), 6 states have internal predecessors, (1698), 0 states have call successors, (0), 0 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 20:57:54,528 INFO L185 Difference]: Start difference. First operand has 29 places, 21 transitions, 54 flow. Second operand 5 states and 887 transitions. [2021-04-28 20:57:54,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 33 transitions, 124 flow [2021-04-28 20:57:54,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 33 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:57:54,529 INFO L241 Difference]: Finished difference. Result has 33 places, 27 transitions, 100 flow [2021-04-28 20:57:54,530 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=100, PETRI_PLACES=33, PETRI_TRANSITIONS=27} [2021-04-28 20:57:54,530 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -81 predicate places. [2021-04-28 20:57:54,530 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:57:54,530 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 27 transitions, 100 flow [2021-04-28 20:57:54,531 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 27 transitions, 100 flow [2021-04-28 20:57:54,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 27 transitions, 100 flow [2021-04-28 20:57:54,539 INFO L129 PetriNetUnfolder]: 5/40 cut-off events. [2021-04-28 20:57:54,539 INFO L130 PetriNetUnfolder]: For 11/13 co-relation queries the response was YES. [2021-04-28 20:57:54,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 40 events. 5/40 cut-off events. For 11/13 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 126 event pairs, 0 based on Foata normal form. 1/32 useless extension candidates. Maximal degree in co-relation 72. Up to 10 conditions per place. [2021-04-28 20:57:54,541 INFO L146 LiptonReduction]: Number of co-enabled transitions 210 [2021-04-28 20:57:54,653 INFO L158 LiptonReduction]: Checked pairs total: 126 [2021-04-28 20:57:54,653 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:57:54,653 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 123 [2021-04-28 20:57:54,654 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 27 transitions, 100 flow [2021-04-28 20:57:54,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 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 20:57:54,655 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:57:54,656 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:57:54,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:57:54,656 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:57:54,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:57:54,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1549621432, now seen corresponding path program 1 times [2021-04-28 20:57:54,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:57:54,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960722002] [2021-04-28 20:57:54,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:57:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:57:54,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:54,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:57:54,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:54,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:57:54,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:54,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:57:54,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:54,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:57:54,868 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 20:57:54,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960722002] [2021-04-28 20:57:54,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:57:54,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:57:54,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119263195] [2021-04-28 20:57:54,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:57:54,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:57:54,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:57:54,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:57:54,871 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 283 [2021-04-28 20:57:54,873 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 27 transitions, 100 flow. Second operand has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 20:57:54,873 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:57:54,873 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 283 [2021-04-28 20:57:54,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:57:55,044 INFO L129 PetriNetUnfolder]: 26/78 cut-off events. [2021-04-28 20:57:55,045 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-04-28 20:57:55,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 78 events. 26/78 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 284 event pairs, 5 based on Foata normal form. 1/68 useless extension candidates. Maximal degree in co-relation 203. Up to 43 conditions per place. [2021-04-28 20:57:55,046 INFO L132 encePairwiseOnDemand]: 276/283 looper letters, 11 selfloop transitions, 11 changer transitions 0/35 dead transitions. [2021-04-28 20:57:55,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 35 transitions, 174 flow [2021-04-28 20:57:55,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:57:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:57:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 882 transitions. [2021-04-28 20:57:55,053 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.623321554770318 [2021-04-28 20:57:55,053 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 882 transitions. [2021-04-28 20:57:55,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 882 transitions. [2021-04-28 20:57:55,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:57:55,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 882 transitions. [2021-04-28 20:57:55,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 176.4) internal successors, (882), 5 states have internal predecessors, (882), 0 states have call successors, (0), 0 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 20:57:55,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 283.0) internal successors, (1698), 6 states have internal predecessors, (1698), 0 states have call successors, (0), 0 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 20:57:55,063 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 283.0) internal successors, (1698), 6 states have internal predecessors, (1698), 0 states have call successors, (0), 0 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 20:57:55,063 INFO L185 Difference]: Start difference. First operand has 32 places, 27 transitions, 100 flow. Second operand 5 states and 882 transitions. [2021-04-28 20:57:55,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 35 transitions, 174 flow [2021-04-28 20:57:55,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 35 transitions, 174 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:57:55,066 INFO L241 Difference]: Finished difference. Result has 38 places, 33 transitions, 165 flow [2021-04-28 20:57:55,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=165, PETRI_PLACES=38, PETRI_TRANSITIONS=33} [2021-04-28 20:57:55,067 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -76 predicate places. [2021-04-28 20:57:55,067 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:57:55,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 33 transitions, 165 flow [2021-04-28 20:57:55,067 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 33 transitions, 165 flow [2021-04-28 20:57:55,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 33 transitions, 165 flow [2021-04-28 20:57:55,082 INFO L129 PetriNetUnfolder]: 21/76 cut-off events. [2021-04-28 20:57:55,082 INFO L130 PetriNetUnfolder]: For 64/67 co-relation queries the response was YES. [2021-04-28 20:57:55,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 76 events. 21/76 cut-off events. For 64/67 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 304 event pairs, 3 based on Foata normal form. 1/59 useless extension candidates. Maximal degree in co-relation 197. Up to 27 conditions per place. [2021-04-28 20:57:55,084 INFO L146 LiptonReduction]: Number of co-enabled transitions 206 [2021-04-28 20:57:55,737 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-04-28 20:57:55,978 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:57:57,081 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2021-04-28 20:57:57,489 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:57:57,497 INFO L158 LiptonReduction]: Checked pairs total: 336 [2021-04-28 20:57:57,497 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 20:57:57,497 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2430 [2021-04-28 20:57:57,498 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 34 transitions, 175 flow [2021-04-28 20:57:57,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 20:57:57,499 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:57:57,500 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:57:57,500 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:57:57,500 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:57:57,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:57:57,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1352893548, now seen corresponding path program 2 times [2021-04-28 20:57:57,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:57:57,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094943545] [2021-04-28 20:57:57,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:57:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:57:57,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:57,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:57:57,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:57,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:57:57,623 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-04-28 20:57:57,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-28 20:57:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:57:57,683 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 20:57:57,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094943545] [2021-04-28 20:57:57,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:57:57,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:57:57,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995883770] [2021-04-28 20:57:57,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:57:57,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:57:57,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:57:57,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:57:57,687 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 284 [2021-04-28 20:57:57,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 34 transitions, 175 flow. Second operand has 5 states, 5 states have (on average 168.0) internal successors, (840), 5 states have internal predecessors, (840), 0 states have call successors, (0), 0 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 20:57:57,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:57:57,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 284 [2021-04-28 20:57:57,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:57:57,861 INFO L129 PetriNetUnfolder]: 27/83 cut-off events. [2021-04-28 20:57:57,861 INFO L130 PetriNetUnfolder]: For 103/114 co-relation queries the response was YES. [2021-04-28 20:57:57,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 83 events. 27/83 cut-off events. For 103/114 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 317 event pairs, 5 based on Foata normal form. 4/71 useless extension candidates. Maximal degree in co-relation 281. Up to 44 conditions per place. [2021-04-28 20:57:57,862 INFO L132 encePairwiseOnDemand]: 277/284 looper letters, 13 selfloop transitions, 11 changer transitions 1/38 dead transitions. [2021-04-28 20:57:57,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 38 transitions, 250 flow [2021-04-28 20:57:57,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:57:57,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:57:57,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 852 transitions. [2021-04-28 20:57:57,870 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6 [2021-04-28 20:57:57,870 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 852 transitions. [2021-04-28 20:57:57,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 852 transitions. [2021-04-28 20:57:57,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:57:57,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 852 transitions. [2021-04-28 20:57:57,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 170.4) internal successors, (852), 5 states have internal predecessors, (852), 0 states have call successors, (0), 0 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 20:57:57,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 284.0) internal successors, (1704), 6 states have internal predecessors, (1704), 0 states have call successors, (0), 0 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 20:57:57,880 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 284.0) internal successors, (1704), 6 states have internal predecessors, (1704), 0 states have call successors, (0), 0 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 20:57:57,880 INFO L185 Difference]: Start difference. First operand has 39 places, 34 transitions, 175 flow. Second operand 5 states and 852 transitions. [2021-04-28 20:57:57,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 38 transitions, 250 flow [2021-04-28 20:57:57,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 38 transitions, 235 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-04-28 20:57:57,885 INFO L241 Difference]: Finished difference. Result has 43 places, 35 transitions, 197 flow [2021-04-28 20:57:57,885 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=197, PETRI_PLACES=43, PETRI_TRANSITIONS=35} [2021-04-28 20:57:57,885 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -71 predicate places. [2021-04-28 20:57:57,885 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:57:57,886 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 35 transitions, 197 flow [2021-04-28 20:57:57,886 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 35 transitions, 197 flow [2021-04-28 20:57:57,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 35 transitions, 197 flow [2021-04-28 20:57:57,902 INFO L129 PetriNetUnfolder]: 21/79 cut-off events. [2021-04-28 20:57:57,902 INFO L130 PetriNetUnfolder]: For 128/131 co-relation queries the response was YES. [2021-04-28 20:57:57,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 79 events. 21/79 cut-off events. For 128/131 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 325 event pairs, 4 based on Foata normal form. 1/62 useless extension candidates. Maximal degree in co-relation 223. Up to 28 conditions per place. [2021-04-28 20:57:57,904 INFO L146 LiptonReduction]: Number of co-enabled transitions 208 [2021-04-28 20:57:57,913 INFO L158 LiptonReduction]: Checked pairs total: 183 [2021-04-28 20:57:57,913 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:57:57,913 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-04-28 20:57:57,914 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 35 transitions, 197 flow [2021-04-28 20:57:57,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 168.0) internal successors, (840), 5 states have internal predecessors, (840), 0 states have call successors, (0), 0 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 20:57:57,915 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:57:57,915 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:57:57,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:57:57,915 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:57:57,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:57:57,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1511364022, now seen corresponding path program 3 times [2021-04-28 20:57:57,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:57:57,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253563537] [2021-04-28 20:57:57,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:57:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:57:57,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:57,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 20:57:58,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:58,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-28 20:57:58,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:58,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-28 20:57:58,072 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-04-28 20:57:58,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-28 20:57:58,097 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-04-28 20:57:58,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 20:57:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:57:58,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253563537] [2021-04-28 20:57:58,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:57:58,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:57:58,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557570110] [2021-04-28 20:57:58,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 20:57:58,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:57:58,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 20:57:58,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-28 20:57:58,131 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 284 [2021-04-28 20:57:58,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 35 transitions, 197 flow. Second operand has 7 states, 7 states have (on average 133.85714285714286) internal successors, (937), 7 states have internal predecessors, (937), 0 states have call successors, (0), 0 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 20:57:58,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:57:58,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 284 [2021-04-28 20:57:58,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:57:58,579 INFO L129 PetriNetUnfolder]: 215/384 cut-off events. [2021-04-28 20:57:58,580 INFO L130 PetriNetUnfolder]: For 910/910 co-relation queries the response was YES. [2021-04-28 20:57:58,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1284 conditions, 384 events. 215/384 cut-off events. For 910/910 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1621 event pairs, 23 based on Foata normal form. 5/288 useless extension candidates. Maximal degree in co-relation 1266. Up to 296 conditions per place. [2021-04-28 20:57:58,584 INFO L132 encePairwiseOnDemand]: 275/284 looper letters, 26 selfloop transitions, 20 changer transitions 0/52 dead transitions. [2021-04-28 20:57:58,584 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 52 transitions, 358 flow [2021-04-28 20:57:58,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 20:57:58,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 20:57:58,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 835 transitions. [2021-04-28 20:57:58,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49002347417840375 [2021-04-28 20:57:58,592 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 835 transitions. [2021-04-28 20:57:58,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 835 transitions. [2021-04-28 20:57:58,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:57:58,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 835 transitions. [2021-04-28 20:57:58,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 0 states have call successors, (0), 0 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 20:57:58,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 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 20:57:58,600 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 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 20:57:58,601 INFO L185 Difference]: Start difference. First operand has 42 places, 35 transitions, 197 flow. Second operand 6 states and 835 transitions. [2021-04-28 20:57:58,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 52 transitions, 358 flow [2021-04-28 20:57:58,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 52 transitions, 335 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-04-28 20:57:58,610 INFO L241 Difference]: Finished difference. Result has 46 places, 42 transitions, 285 flow [2021-04-28 20:57:58,610 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=285, PETRI_PLACES=46, PETRI_TRANSITIONS=42} [2021-04-28 20:57:58,610 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -68 predicate places. [2021-04-28 20:57:58,611 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:57:58,611 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 42 transitions, 285 flow [2021-04-28 20:57:58,611 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 42 transitions, 285 flow [2021-04-28 20:57:58,612 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 285 flow [2021-04-28 20:57:58,634 INFO L129 PetriNetUnfolder]: 28/121 cut-off events. [2021-04-28 20:57:58,634 INFO L130 PetriNetUnfolder]: For 232/235 co-relation queries the response was YES. [2021-04-28 20:57:58,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 121 events. 28/121 cut-off events. For 232/235 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 619 event pairs, 5 based on Foata normal form. 1/88 useless extension candidates. Maximal degree in co-relation 379. Up to 36 conditions per place. [2021-04-28 20:57:58,636 INFO L146 LiptonReduction]: Number of co-enabled transitions 226 [2021-04-28 20:57:58,703 INFO L158 LiptonReduction]: Checked pairs total: 212 [2021-04-28 20:57:58,703 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:57:58,703 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 92 [2021-04-28 20:57:58,705 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 285 flow [2021-04-28 20:57:58,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 133.85714285714286) internal successors, (937), 7 states have internal predecessors, (937), 0 states have call successors, (0), 0 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 20:57:58,706 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:57:58,706 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:57:58,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:57:58,707 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:57:58,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:57:58,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1554689126, now seen corresponding path program 1 times [2021-04-28 20:57:58,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:57:58,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688324233] [2021-04-28 20:57:58,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:57:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:57:58,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:58,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:57:58,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:58,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:57:58,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:58,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:57:58,881 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 20:57:58,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688324233] [2021-04-28 20:57:58,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:57:58,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:57:58,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710611512] [2021-04-28 20:57:58,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:57:58,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:57:58,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:57:58,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:57:58,884 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 284 [2021-04-28 20:57:58,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 285 flow. Second operand has 4 states, 4 states have (on average 192.75) internal successors, (771), 4 states have internal predecessors, (771), 0 states have call successors, (0), 0 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 20:57:58,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:57:58,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 284 [2021-04-28 20:57:58,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:57:59,049 INFO L129 PetriNetUnfolder]: 80/226 cut-off events. [2021-04-28 20:57:59,049 INFO L130 PetriNetUnfolder]: For 435/444 co-relation queries the response was YES. [2021-04-28 20:57:59,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 761 conditions, 226 events. 80/226 cut-off events. For 435/444 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 1271 event pairs, 21 based on Foata normal form. 40/186 useless extension candidates. Maximal degree in co-relation 741. Up to 130 conditions per place. [2021-04-28 20:57:59,052 INFO L132 encePairwiseOnDemand]: 275/284 looper letters, 8 selfloop transitions, 17 changer transitions 9/57 dead transitions. [2021-04-28 20:57:59,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 57 transitions, 366 flow [2021-04-28 20:57:59,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:57:59,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:57:59,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 990 transitions. [2021-04-28 20:57:59,058 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6971830985915493 [2021-04-28 20:57:59,058 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 990 transitions. [2021-04-28 20:57:59,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 990 transitions. [2021-04-28 20:57:59,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:57:59,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 990 transitions. [2021-04-28 20:57:59,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 0 states have call successors, (0), 0 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 20:57:59,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 284.0) internal successors, (1704), 6 states have internal predecessors, (1704), 0 states have call successors, (0), 0 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 20:57:59,066 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 284.0) internal successors, (1704), 6 states have internal predecessors, (1704), 0 states have call successors, (0), 0 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 20:57:59,066 INFO L185 Difference]: Start difference. First operand has 46 places, 42 transitions, 285 flow. Second operand 5 states and 990 transitions. [2021-04-28 20:57:59,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 57 transitions, 366 flow [2021-04-28 20:57:59,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 57 transitions, 329 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-04-28 20:57:59,071 INFO L241 Difference]: Finished difference. Result has 47 places, 48 transitions, 304 flow [2021-04-28 20:57:59,072 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=304, PETRI_PLACES=47, PETRI_TRANSITIONS=48} [2021-04-28 20:57:59,072 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -67 predicate places. [2021-04-28 20:57:59,072 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:57:59,072 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 48 transitions, 304 flow [2021-04-28 20:57:59,072 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 48 transitions, 304 flow [2021-04-28 20:57:59,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 48 transitions, 304 flow [2021-04-28 20:57:59,098 INFO L129 PetriNetUnfolder]: 32/142 cut-off events. [2021-04-28 20:57:59,098 INFO L130 PetriNetUnfolder]: For 233/240 co-relation queries the response was YES. [2021-04-28 20:57:59,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 142 events. 32/142 cut-off events. For 233/240 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 836 event pairs, 3 based on Foata normal form. 4/104 useless extension candidates. Maximal degree in co-relation 480. Up to 51 conditions per place. [2021-04-28 20:57:59,101 INFO L146 LiptonReduction]: Number of co-enabled transitions 236 [2021-04-28 20:57:59,143 INFO L158 LiptonReduction]: Checked pairs total: 135 [2021-04-28 20:57:59,143 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:57:59,143 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-04-28 20:57:59,144 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 48 transitions, 304 flow [2021-04-28 20:57:59,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 192.75) internal successors, (771), 4 states have internal predecessors, (771), 0 states have call successors, (0), 0 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 20:57:59,145 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:57:59,145 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:57:59,145 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:57:59,145 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:57:59,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:57:59,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1572609818, now seen corresponding path program 1 times [2021-04-28 20:57:59,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:57:59,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601991198] [2021-04-28 20:57:59,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:57:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:57:59,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:59,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:57:59,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:59,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:57:59,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:59,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:57:59,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:59,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:57:59,267 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 20:57:59,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601991198] [2021-04-28 20:57:59,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:57:59,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:57:59,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534007027] [2021-04-28 20:57:59,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:57:59,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:57:59,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:57:59,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:57:59,271 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 284 [2021-04-28 20:57:59,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 48 transitions, 304 flow. Second operand has 5 states, 5 states have (on average 192.8) internal successors, (964), 5 states have internal predecessors, (964), 0 states have call successors, (0), 0 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 20:57:59,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:57:59,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 284 [2021-04-28 20:57:59,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:57:59,525 INFO L129 PetriNetUnfolder]: 26/145 cut-off events. [2021-04-28 20:57:59,525 INFO L130 PetriNetUnfolder]: For 438/482 co-relation queries the response was YES. [2021-04-28 20:57:59,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 562 conditions, 145 events. 26/145 cut-off events. For 438/482 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 822 event pairs, 0 based on Foata normal form. 50/148 useless extension candidates. Maximal degree in co-relation 541. Up to 55 conditions per place. [2021-04-28 20:57:59,527 INFO L132 encePairwiseOnDemand]: 275/284 looper letters, 2 selfloop transitions, 24 changer transitions 7/55 dead transitions. [2021-04-28 20:57:59,527 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 55 transitions, 402 flow [2021-04-28 20:57:59,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:57:59,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:57:59,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1375 transitions. [2021-04-28 20:57:59,535 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6916498993963782 [2021-04-28 20:57:59,535 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1375 transitions. [2021-04-28 20:57:59,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1375 transitions. [2021-04-28 20:57:59,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:57:59,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1375 transitions. [2021-04-28 20:57:59,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 196.42857142857142) internal successors, (1375), 7 states have internal predecessors, (1375), 0 states have call successors, (0), 0 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 20:57:59,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 284.0) internal successors, (2272), 8 states have internal predecessors, (2272), 0 states have call successors, (0), 0 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 20:57:59,546 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 284.0) internal successors, (2272), 8 states have internal predecessors, (2272), 0 states have call successors, (0), 0 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 20:57:59,546 INFO L185 Difference]: Start difference. First operand has 47 places, 48 transitions, 304 flow. Second operand 7 states and 1375 transitions. [2021-04-28 20:57:59,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 55 transitions, 402 flow [2021-04-28 20:57:59,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 55 transitions, 375 flow, removed 11 selfloop flow, removed 1 redundant places. [2021-04-28 20:57:59,551 INFO L241 Difference]: Finished difference. Result has 55 places, 48 transitions, 362 flow [2021-04-28 20:57:59,551 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=283, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=362, PETRI_PLACES=55, PETRI_TRANSITIONS=48} [2021-04-28 20:57:59,551 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -59 predicate places. [2021-04-28 20:57:59,551 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:57:59,551 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 48 transitions, 362 flow [2021-04-28 20:57:59,552 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 48 transitions, 362 flow [2021-04-28 20:57:59,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 48 transitions, 362 flow [2021-04-28 20:57:59,571 INFO L129 PetriNetUnfolder]: 17/114 cut-off events. [2021-04-28 20:57:59,572 INFO L130 PetriNetUnfolder]: For 281/293 co-relation queries the response was YES. [2021-04-28 20:57:59,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 114 events. 17/114 cut-off events. For 281/293 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 652 event pairs, 0 based on Foata normal form. 4/86 useless extension candidates. Maximal degree in co-relation 428. Up to 43 conditions per place. [2021-04-28 20:57:59,574 INFO L146 LiptonReduction]: Number of co-enabled transitions 156 [2021-04-28 20:57:59,578 INFO L158 LiptonReduction]: Checked pairs total: 124 [2021-04-28 20:57:59,578 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:57:59,578 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-04-28 20:57:59,579 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 48 transitions, 362 flow [2021-04-28 20:57:59,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 192.8) internal successors, (964), 5 states have internal predecessors, (964), 0 states have call successors, (0), 0 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 20:57:59,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:57:59,580 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:57:59,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 20:57:59,581 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:57:59,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:57:59,581 INFO L82 PathProgramCache]: Analyzing trace with hash -244598797, now seen corresponding path program 1 times [2021-04-28 20:57:59,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:57:59,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414070967] [2021-04-28 20:57:59,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:57:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:57:59,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:59,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:57:59,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:59,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:57:59,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:59,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 20:57:59,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:59,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 20:57:59,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:57:59,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 20:57:59,756 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 20:57:59,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414070967] [2021-04-28 20:57:59,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:57:59,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:57:59,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383070828] [2021-04-28 20:57:59,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 20:57:59,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:57:59,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 20:57:59,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-28 20:57:59,760 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 284 [2021-04-28 20:57:59,761 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 48 transitions, 362 flow. Second operand has 7 states, 7 states have (on average 140.14285714285714) internal successors, (981), 7 states have internal predecessors, (981), 0 states have call successors, (0), 0 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 20:57:59,761 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:57:59,761 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 284 [2021-04-28 20:57:59,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:58:00,034 INFO L129 PetriNetUnfolder]: 33/213 cut-off events. [2021-04-28 20:58:00,034 INFO L130 PetriNetUnfolder]: For 897/939 co-relation queries the response was YES. [2021-04-28 20:58:00,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 913 conditions, 213 events. 33/213 cut-off events. For 897/939 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1453 event pairs, 0 based on Foata normal form. 30/177 useless extension candidates. Maximal degree in co-relation 888. Up to 85 conditions per place. [2021-04-28 20:58:00,036 INFO L132 encePairwiseOnDemand]: 277/284 looper letters, 11 selfloop transitions, 3 changer transitions 26/61 dead transitions. [2021-04-28 20:58:00,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 61 transitions, 513 flow [2021-04-28 20:58:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:58:00,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:58:00,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 994 transitions. [2021-04-28 20:58:00,046 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5 [2021-04-28 20:58:00,046 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 994 transitions. [2021-04-28 20:58:00,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 994 transitions. [2021-04-28 20:58:00,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:58:00,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 994 transitions. [2021-04-28 20:58:00,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 0 states have call successors, (0), 0 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 20:58:00,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 284.0) internal successors, (2272), 8 states have internal predecessors, (2272), 0 states have call successors, (0), 0 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 20:58:00,057 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 284.0) internal successors, (2272), 8 states have internal predecessors, (2272), 0 states have call successors, (0), 0 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 20:58:00,057 INFO L185 Difference]: Start difference. First operand has 53 places, 48 transitions, 362 flow. Second operand 7 states and 994 transitions. [2021-04-28 20:58:00,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 61 transitions, 513 flow [2021-04-28 20:58:00,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 61 transitions, 450 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-04-28 20:58:00,066 INFO L241 Difference]: Finished difference. Result has 55 places, 34 transitions, 203 flow [2021-04-28 20:58:00,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=203, PETRI_PLACES=55, PETRI_TRANSITIONS=34} [2021-04-28 20:58:00,067 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -59 predicate places. [2021-04-28 20:58:00,067 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:58:00,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 34 transitions, 203 flow [2021-04-28 20:58:00,067 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 34 transitions, 203 flow [2021-04-28 20:58:00,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 34 transitions, 203 flow [2021-04-28 20:58:00,084 INFO L129 PetriNetUnfolder]: 11/99 cut-off events. [2021-04-28 20:58:00,085 INFO L130 PetriNetUnfolder]: For 109/110 co-relation queries the response was YES. [2021-04-28 20:58:00,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 99 events. 11/99 cut-off events. For 109/110 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 497 event pairs, 0 based on Foata normal form. 1/73 useless extension candidates. Maximal degree in co-relation 296. Up to 43 conditions per place. [2021-04-28 20:58:00,086 INFO L146 LiptonReduction]: Number of co-enabled transitions 72 [2021-04-28 20:58:00,274 INFO L158 LiptonReduction]: Checked pairs total: 27 [2021-04-28 20:58:00,274 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 20:58:00,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 207 [2021-04-28 20:58:00,276 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 34 transitions, 209 flow [2021-04-28 20:58:00,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 140.14285714285714) internal successors, (981), 7 states have internal predecessors, (981), 0 states have call successors, (0), 0 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 20:58:00,277 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:58:00,277 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:58:00,277 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 20:58:00,277 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:58:00,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:58:00,278 INFO L82 PathProgramCache]: Analyzing trace with hash -137467086, now seen corresponding path program 1 times [2021-04-28 20:58:00,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:58:00,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300358744] [2021-04-28 20:58:00,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:58:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 20:58:00,337 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 20:58:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 20:58:00,384 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 20:58:00,420 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 20:58:00,421 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 20:58:00,421 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 20:58:00,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 08:58:00 BasicIcfg [2021-04-28 20:58:00,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 20:58:00,491 INFO L168 Benchmark]: Toolchain (without parser) took 121735.43 ms. Allocated memory was 302.0 MB in the beginning and 664.8 MB in the end (delta: 362.8 MB). Free memory was 276.7 MB in the beginning and 255.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 385.8 MB. Max. memory is 16.0 GB. [2021-04-28 20:58:00,491 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 20:58:00,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.50 ms. Allocated memory is still 302.0 MB. Free memory was 273.6 MB in the beginning and 280.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.0 GB. [2021-04-28 20:58:00,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.15 ms. Allocated memory is still 302.0 MB. Free memory was 280.9 MB in the beginning and 277.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 20:58:00,492 INFO L168 Benchmark]: Boogie Preprocessor took 43.19 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 275.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 20:58:00,493 INFO L168 Benchmark]: RCFGBuilder took 2132.45 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 275.6 MB in the beginning and 305.9 MB in the end (delta: -30.2 MB). Peak memory consumption was 172.1 MB. Max. memory is 16.0 GB. [2021-04-28 20:58:00,493 INFO L168 Benchmark]: TraceAbstraction took 118739.39 ms. Allocated memory was 362.8 MB in the beginning and 664.8 MB in the end (delta: 302.0 MB). Free memory was 304.8 MB in the beginning and 255.7 MB in the end (delta: 49.1 MB). Peak memory consumption was 350.1 MB. Max. memory is 16.0 GB. [2021-04-28 20:58:00,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 688.50 ms. Allocated memory is still 302.0 MB. Free memory was 273.6 MB in the beginning and 280.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 83.15 ms. Allocated memory is still 302.0 MB. Free memory was 280.9 MB in the beginning and 277.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.19 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 275.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2132.45 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 275.6 MB in the beginning and 305.9 MB in the end (delta: -30.2 MB). Peak memory consumption was 172.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 118739.39 ms. Allocated memory was 362.8 MB in the beginning and 664.8 MB in the end (delta: 302.0 MB). Free memory was 304.8 MB in the beginning and 255.7 MB in the end (delta: 49.1 MB). Peak memory consumption was 350.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 109533.8ms, 87 PlacesBefore, 114 PlacesAfterwards, 82 TransitionsBefore, 109 TransitionsAfterwards, 1046 CoEnabledTransitionPairs, 8 FixpointIterations, 124 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 198 TotalNumberOfCompositions, 9587 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2643, positive: 2447, positive conditional: 2447, positive unconditional: 0, negative: 196, negative conditional: 196, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1241, positive: 1193, positive conditional: 0, positive unconditional: 1193, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1241, positive: 1193, positive conditional: 0, positive unconditional: 1193, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1241, positive: 1178, positive conditional: 0, positive unconditional: 1178, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1332, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 1228, negative conditional: 0, negative unconditional: 1228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2643, positive: 1254, positive conditional: 1254, positive unconditional: 0, negative: 148, negative conditional: 148, negative unconditional: 0, unknown: 1241, unknown conditional: 1241, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1241, Positive cache size: 1193, Positive conditional cache size: 1193, Positive unconditional cache size: 0, Negative cache size: 48, Negative conditional cache size: 48, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 367.8ms, 111 PlacesBefore, 40 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 576 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 498 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 125, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 69, positive: 55, positive conditional: 7, positive unconditional: 48, negative: 14, negative conditional: 5, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 69, positive: 55, positive conditional: 7, positive unconditional: 48, negative: 14, negative conditional: 5, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 69, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 14, negative conditional: 5, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 347, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 337, negative conditional: 178, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 125, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 69, unknown conditional: 69, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1310, Positive cache size: 1248, Positive conditional cache size: 1248, Positive unconditional cache size: 0, Negative cache size: 62, Negative conditional cache size: 62, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 974.8ms, 41 PlacesBefore, 29 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 206 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 502 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 184, positive: 141, positive conditional: 141, positive unconditional: 0, negative: 43, negative conditional: 43, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64, positive: 47, positive conditional: 13, positive unconditional: 34, negative: 17, negative conditional: 2, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 64, positive: 47, positive conditional: 13, positive unconditional: 34, negative: 17, negative conditional: 2, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 64, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 17, negative conditional: 2, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 678, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 649, negative conditional: 58, negative unconditional: 592, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 184, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 64, unknown conditional: 64, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1374, Positive cache size: 1295, Positive conditional cache size: 1295, Positive unconditional cache size: 0, Negative cache size: 79, Negative conditional cache size: 79, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 122.1ms, 33 PlacesBefore, 32 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 126 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 110, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1380, Positive cache size: 1298, Positive conditional cache size: 1298, Positive unconditional cache size: 0, Negative cache size: 82, Negative conditional cache size: 82, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2429.9ms, 38 PlacesBefore, 39 PlacesAfterwards, 33 TransitionsBefore, 34 TransitionsAfterwards, 206 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 336 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 104, positive conditional: 104, 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: 9, positive: 8, positive conditional: 7, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 7, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 126, positive: 96, positive conditional: 96, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1389, Positive cache size: 1306, Positive conditional cache size: 1306, Positive unconditional cache size: 0, Negative cache size: 83, Negative conditional cache size: 83, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.0ms, 43 PlacesBefore, 42 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 208 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 183 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 94, positive: 82, positive conditional: 82, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 94, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1396, Positive cache size: 1312, Positive conditional cache size: 1312, 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: 91.9ms, 46 PlacesBefore, 46 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 212 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 51, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 58, negative conditional: 15, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 51, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1402, Positive cache size: 1316, Positive conditional cache size: 1316, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.8ms, 47 PlacesBefore, 47 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 135 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 81, positive: 59, positive conditional: 59, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1416, Positive cache size: 1329, Positive conditional cache size: 1329, 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: 26.5ms, 55 PlacesBefore, 53 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 156 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 124 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 58, positive conditional: 58, 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: 15, positive: 15, positive conditional: 15, 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: 15, positive: 15, positive conditional: 15, 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: 15, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 68, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1431, Positive cache size: 1344, Positive conditional cache size: 1344, 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: 207.1ms, 55 PlacesBefore, 49 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 72 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 27 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 27, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 27, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1449, Positive cache size: 1361, Positive conditional cache size: 1361, Positive unconditional cache size: 0, Negative cache size: 88, Negative conditional cache size: 88, 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: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L717] 0 _Bool x$flush_delayed; [L718] 0 int x$mem_tmp; [L719] 0 _Bool x$r_buff0_thd0; [L720] 0 _Bool x$r_buff0_thd1; [L721] 0 _Bool x$r_buff0_thd2; [L722] 0 _Bool x$r_buff1_thd0; [L723] 0 _Bool x$r_buff1_thd1; [L724] 0 _Bool x$r_buff1_thd2; [L725] 0 _Bool x$read_delayed; [L726] 0 int *x$read_delayed_var; [L727] 0 int x$w_buff0; [L728] 0 _Bool x$w_buff0_used; [L729] 0 int x$w_buff1; [L730] 0 _Bool x$w_buff1_used; [L732] 0 int y = 0; [L734] 0 int z = 0; [L735] 0 _Bool weak$$choice0; [L736] 0 _Bool weak$$choice2; [L802] 0 pthread_t t1091; [L803] FCALL, FORK 0 pthread_create(&t1091, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=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] [L804] 0 pthread_t t1092; [L805] FCALL, FORK 0 pthread_create(&t1092, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=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] [L760] 2 x$w_buff1 = x$w_buff0 [L761] 2 x$w_buff0 = 2 [L762] 2 x$w_buff1_used = x$w_buff0_used [L763] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L765] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L766] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L767] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L768] 2 x$r_buff0_thd2 = (_Bool)1 [L771] 2 y = 1 [L774] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=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] [L777] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=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] [L740] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=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] [L743] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=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_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=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] [L746] 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) [L746] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L746] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L746] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L747] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L747] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L748] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L748] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L749] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L749] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L750] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L750] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L780] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L781] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L781] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L782] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L783] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L783] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L784] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L784] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L755] 1 return 0; [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$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_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=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] [L807] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L811] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L811] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L811] 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) [L811] 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) [L812] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L812] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L813] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L813] 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 [L814] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L814] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L815] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L815] 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 [L818] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L819] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L820] 0 x$flush_delayed = weak$$choice2 [L821] 0 x$mem_tmp = x [L822] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L822] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L823] EXPR 0 weak$$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$w_buff0)) [L823] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L824] EXPR 0 weak$$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$w_buff1)) [L824] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L825] EXPR 0 weak$$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)) [L825] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L826] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L826] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 0 weak$$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)) [L827] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L828] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L828] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L829] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L830] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L830] 0 x = x$flush_delayed ? x$mem_tmp : x [L831] 0 x$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=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 3 procedures, 83 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 14.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 118545.6ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2512.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 109638.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 51 SDtfs, 39 SDslu, 34 SDs, 0 SdLazy, 292 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 818.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 798.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=8, InterpolantAutomatonStates: 46, 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: 47.1ms SsaConstructionTime, 485.1ms SatisfiabilityAnalysisTime, 1172.8ms InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 523 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...