/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/safe002_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 23:25:20,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 23:25:20,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 23:25:20,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 23:25:20,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 23:25:20,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 23:25:20,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 23:25:20,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 23:25:20,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 23:25:20,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 23:25:20,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 23:25:20,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 23:25:20,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 23:25:20,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 23:25:20,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 23:25:20,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 23:25:20,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 23:25:20,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 23:25:20,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 23:25:20,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 23:25:20,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 23:25:20,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 23:25:20,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 23:25:20,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 23:25:20,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 23:25:20,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 23:25:20,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 23:25:20,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 23:25:20,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 23:25:20,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 23:25:20,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 23:25:20,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 23:25:20,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 23:25:20,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 23:25:20,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 23:25:20,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 23:25:20,171 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 23:25:20,201 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 23:25:20,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 23:25:20,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 23:25:20,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 23:25:20,204 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 23:25:20,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 23:25:20,204 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 23:25:20,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 23:25:20,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 23:25:20,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 23:25:20,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 23:25:20,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 23:25:20,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 23:25:20,206 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 23:25:20,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 23:25:20,206 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 23:25:20,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 23:25:20,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 23:25:20,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 23:25:20,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 23:25:20,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 23:25:20,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:25:20,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 23:25:20,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 23:25:20,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 23:25:20,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 23:25:20,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 23:25:20,209 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 23:25:20,210 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 23:25:20,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 23:25:20,210 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 23:25:20,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 23:25:20,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 23:25:20,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 23:25:20,793 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 23:25:20,794 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 23:25:20,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe002_rmo.opt.i [2021-04-28 23:25:20,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffb37a430/412745a1010342e39647f4d35e88008e/FLAG3271c6d53 [2021-04-28 23:25:21,814 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 23:25:21,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_rmo.opt.i [2021-04-28 23:25:21,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffb37a430/412745a1010342e39647f4d35e88008e/FLAG3271c6d53 [2021-04-28 23:25:22,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffb37a430/412745a1010342e39647f4d35e88008e [2021-04-28 23:25:22,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 23:25:22,083 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 23:25:22,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 23:25:22,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 23:25:22,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 23:25:22,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:25:22" (1/1) ... [2021-04-28 23:25:22,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb1b3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:25:22, skipping insertion in model container [2021-04-28 23:25:22,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:25:22" (1/1) ... [2021-04-28 23:25:22,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 23:25:22,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 23:25:22,548 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/safe002_rmo.opt.i[992,1005] [2021-04-28 23:25:23,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:25:23,050 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 23:25:23,073 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/safe002_rmo.opt.i[992,1005] [2021-04-28 23:25:23,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:25:23,369 INFO L208 MainTranslator]: Completed translation [2021-04-28 23:25:23,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:25:23 WrapperNode [2021-04-28 23:25:23,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 23:25:23,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 23:25:23,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 23:25:23,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 23:25:23,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:25:23" (1/1) ... [2021-04-28 23:25:23,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:25:23" (1/1) ... [2021-04-28 23:25:23,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 23:25:23,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 23:25:23,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 23:25:23,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 23:25:23,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:25:23" (1/1) ... [2021-04-28 23:25:23,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:25:23" (1/1) ... [2021-04-28 23:25:23,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:25:23" (1/1) ... [2021-04-28 23:25:23,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:25:23" (1/1) ... [2021-04-28 23:25:23,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:25:23" (1/1) ... [2021-04-28 23:25:23,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:25:23" (1/1) ... [2021-04-28 23:25:23,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:25:23" (1/1) ... [2021-04-28 23:25:23,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 23:25:23,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 23:25:23,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 23:25:23,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 23:25:23,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:25:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:25:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 23:25:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 23:25:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 23:25:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 23:25:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 23:25:23,664 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 23:25:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 23:25:23,664 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 23:25:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 23:25:23,665 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 23:25:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 23:25:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 23:25:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 23:25:23,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 23:25:23,668 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 23:25:26,407 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 23:25:26,407 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 23:25:26,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:25:26 BoogieIcfgContainer [2021-04-28 23:25:26,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 23:25:26,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 23:25:26,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 23:25:26,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 23:25:26,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 11:25:22" (1/3) ... [2021-04-28 23:25:26,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690d6cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:25:26, skipping insertion in model container [2021-04-28 23:25:26,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:25:23" (2/3) ... [2021-04-28 23:25:26,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690d6cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:25:26, skipping insertion in model container [2021-04-28 23:25:26,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:25:26" (3/3) ... [2021-04-28 23:25:26,428 INFO L111 eAbstractionObserver]: Analyzing ICFG safe002_rmo.opt.i [2021-04-28 23:25:26,438 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 23:25:26,449 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 23:25:26,450 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 23:25:26,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,514 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,514 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,519 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,519 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,519 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,519 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,519 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,521 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,521 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,521 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,521 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,521 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,522 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,522 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,522 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,522 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,522 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,523 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,523 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,523 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,525 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,525 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,526 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,526 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,526 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,526 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,526 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,527 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,527 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,527 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,527 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,527 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,527 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,529 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,529 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,531 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,532 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,532 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,532 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,540 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,540 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,541 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,541 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,541 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,541 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,544 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,549 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,549 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,561 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,561 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,561 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,562 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,562 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,562 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,563 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,566 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,566 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,566 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,566 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,570 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,571 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,579 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,579 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,580 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,583 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,584 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:25:26,585 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 23:25:26,611 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 23:25:26,662 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 23:25:26,663 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 23:25:26,663 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 23:25:26,663 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 23:25:26,663 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 23:25:26,663 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 23:25:26,663 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 23:25:26,663 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 23:25:26,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2021-04-28 23:25:26,772 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-04-28 23:25:26,772 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:25:26,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-28 23:25:26,787 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2021-04-28 23:25:26,796 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2021-04-28 23:25:26,798 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:25:26,818 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 197 flow [2021-04-28 23:25:26,822 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 94 transitions, 197 flow [2021-04-28 23:25:26,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 197 flow [2021-04-28 23:25:26,879 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-04-28 23:25:26,880 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:25:26,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-28 23:25:26,888 INFO L146 LiptonReduction]: Number of co-enabled transitions 1586 [2021-04-28 23:25:27,957 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-04-28 23:25:30,090 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 23:25:30,223 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:25:30,879 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2021-04-28 23:25:31,143 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 23:25:32,136 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2021-04-28 23:25:32,546 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:25:32,678 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:25:32,970 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:25:33,276 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:25:38,731 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-04-28 23:25:46,100 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:25:46,212 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:25:46,856 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:25:46,968 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:25:47,082 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:25:47,198 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:25:47,652 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:25:47,758 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:25:47,866 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:25:47,973 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:25:48,225 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:25:48,416 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:25:48,539 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:25:48,672 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:25:48,795 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:25:49,226 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:25:49,357 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:25:49,486 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:25:49,612 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:25:50,235 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:25:50,336 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:25:50,447 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:25:50,559 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:25:50,675 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:25:50,784 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:25:50,887 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:25:51,034 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:25:51,141 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:25:51,244 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:25:51,954 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 23:25:52,087 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 23:25:52,217 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 23:25:52,341 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 23:25:55,003 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 23:25:55,128 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 23:25:55,252 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 23:25:55,371 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 23:25:55,572 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:25:55,874 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:25:56,000 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:25:56,130 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:25:56,257 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:25:56,404 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:25:56,547 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:25:56,674 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:25:56,803 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:25:56,951 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:25:57,097 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:25:57,234 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:25:57,372 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:25:58,115 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:25:58,284 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:25:58,429 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:25:58,583 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:25:58,733 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:25:58,954 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:25:59,131 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:25:59,314 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:25:59,504 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:25:59,677 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:25:59,850 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:26:00,027 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:26:00,209 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:26:00,733 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:26:00,921 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:26:01,107 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:26:01,291 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:26:01,464 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:26:01,623 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:26:01,779 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:26:01,967 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:26:02,450 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 23:26:02,694 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 23:26:03,197 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 23:26:03,436 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 23:26:03,626 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:26:03,819 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:26:04,009 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:26:04,202 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:26:04,379 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:26:04,556 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:26:04,742 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:26:04,951 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:26:05,433 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 23:26:05,653 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 23:26:06,132 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 23:26:06,361 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 23:26:06,521 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:26:06,679 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:26:06,834 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:26:06,998 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:26:07,185 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:26:07,380 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:26:07,570 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:26:07,757 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:26:07,919 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:26:08,091 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:26:08,248 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:26:08,408 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:26:08,587 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:26:08,770 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:26:08,948 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:26:09,113 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:26:09,162 INFO L158 LiptonReduction]: Checked pairs total: 15004 [2021-04-28 23:26:09,163 INFO L160 LiptonReduction]: Total number of compositions: 245 [2021-04-28 23:26:09,170 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42374 [2021-04-28 23:26:09,195 INFO L129 PetriNetUnfolder]: 0/60 cut-off events. [2021-04-28 23:26:09,195 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:26:09,196 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:26:09,197 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 23:26:09,198 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:26:09,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:26:09,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1072896661, now seen corresponding path program 1 times [2021-04-28 23:26:09,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:26:09,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955783871] [2021-04-28 23:26:09,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:26:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:26:09,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:09,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:26:09,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955783871] [2021-04-28 23:26:09,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:26:09,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:26:09,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792342866] [2021-04-28 23:26:09,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:26:09,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:26:09,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:26:09,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:26:09,639 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 342 [2021-04-28 23:26:09,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 120 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 268.6666666666667) internal successors, (806), 3 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:09,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:26:09,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 342 [2021-04-28 23:26:09,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:26:09,815 INFO L129 PetriNetUnfolder]: 29/237 cut-off events. [2021-04-28 23:26:09,816 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:26:09,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 237 events. 29/237 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1557 event pairs, 5 based on Foata normal form. 23/104 useless extension candidates. Maximal degree in co-relation 240. Up to 41 conditions per place. [2021-04-28 23:26:09,821 INFO L132 encePairwiseOnDemand]: 325/342 looper letters, 7 selfloop transitions, 2 changer transitions 53/119 dead transitions. [2021-04-28 23:26:09,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 119 transitions, 287 flow [2021-04-28 23:26:09,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:26:09,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:26:09,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 831 transitions. [2021-04-28 23:26:09,846 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8099415204678363 [2021-04-28 23:26:09,847 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 831 transitions. [2021-04-28 23:26:09,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 831 transitions. [2021-04-28 23:26:09,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:26:09,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 831 transitions. [2021-04-28 23:26:09,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:09,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:09,877 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:09,879 INFO L185 Difference]: Start difference. First operand has 129 places, 120 transitions, 249 flow. Second operand 3 states and 831 transitions. [2021-04-28 23:26:09,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 119 transitions, 287 flow [2021-04-28 23:26:09,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 119 transitions, 284 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 23:26:09,889 INFO L241 Difference]: Finished difference. Result has 125 places, 63 transitions, 136 flow [2021-04-28 23:26:09,892 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=125, PETRI_TRANSITIONS=63} [2021-04-28 23:26:09,893 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -4 predicate places. [2021-04-28 23:26:09,894 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:26:09,894 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 63 transitions, 136 flow [2021-04-28 23:26:09,894 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 63 transitions, 136 flow [2021-04-28 23:26:09,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 63 transitions, 136 flow [2021-04-28 23:26:09,906 INFO L129 PetriNetUnfolder]: 0/63 cut-off events. [2021-04-28 23:26:09,906 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:26:09,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 63 events. 0/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 302 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 23:26:09,908 INFO L146 LiptonReduction]: Number of co-enabled transitions 1794 [2021-04-28 23:26:10,798 INFO L158 LiptonReduction]: Checked pairs total: 2176 [2021-04-28 23:26:10,798 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:26:10,799 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 905 [2021-04-28 23:26:10,801 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 63 transitions, 136 flow [2021-04-28 23:26:10,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 268.6666666666667) internal successors, (806), 3 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:10,803 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:26:10,803 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:26:10,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 23:26:10,804 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:26:10,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:26:10,805 INFO L82 PathProgramCache]: Analyzing trace with hash -2023409860, now seen corresponding path program 1 times [2021-04-28 23:26:10,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:26:10,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301831766] [2021-04-28 23:26:10,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:26:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:26:10,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:10,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:10,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:26:10,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301831766] [2021-04-28 23:26:10,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:26:10,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:26:10,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328967514] [2021-04-28 23:26:10,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:26:10,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:26:10,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:26:10,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:26:10,959 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 342 [2021-04-28 23:26:10,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 63 transitions, 136 flow. Second operand has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:10,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:26:10,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 342 [2021-04-28 23:26:10,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:26:11,105 INFO L129 PetriNetUnfolder]: 17/97 cut-off events. [2021-04-28 23:26:11,105 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:26:11,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 97 events. 17/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 492 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 155. Up to 39 conditions per place. [2021-04-28 23:26:11,107 INFO L132 encePairwiseOnDemand]: 337/342 looper letters, 1 selfloop transitions, 2 changer transitions 52/80 dead transitions. [2021-04-28 23:26:11,107 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 80 transitions, 248 flow [2021-04-28 23:26:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:26:11,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:26:11,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 718 transitions. [2021-04-28 23:26:11,111 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6998050682261209 [2021-04-28 23:26:11,112 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 718 transitions. [2021-04-28 23:26:11,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 718 transitions. [2021-04-28 23:26:11,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:26:11,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 718 transitions. [2021-04-28 23:26:11,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,121 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,122 INFO L185 Difference]: Start difference. First operand has 72 places, 63 transitions, 136 flow. Second operand 3 states and 718 transitions. [2021-04-28 23:26:11,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 80 transitions, 248 flow [2021-04-28 23:26:11,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 80 transitions, 244 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:26:11,125 INFO L241 Difference]: Finished difference. Result has 73 places, 28 transitions, 70 flow [2021-04-28 23:26:11,125 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=73, PETRI_TRANSITIONS=28} [2021-04-28 23:26:11,127 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -56 predicate places. [2021-04-28 23:26:11,127 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:26:11,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 28 transitions, 70 flow [2021-04-28 23:26:11,128 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 28 transitions, 70 flow [2021-04-28 23:26:11,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 28 transitions, 70 flow [2021-04-28 23:26:11,134 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-04-28 23:26:11,134 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:26:11,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 63 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:26:11,135 INFO L146 LiptonReduction]: Number of co-enabled transitions 418 [2021-04-28 23:26:11,161 INFO L158 LiptonReduction]: Checked pairs total: 503 [2021-04-28 23:26:11,161 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:26:11,161 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-04-28 23:26:11,165 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 70 flow [2021-04-28 23:26:11,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,166 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:26:11,167 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:26:11,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 23:26:11,167 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:26:11,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:26:11,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1698802503, now seen corresponding path program 1 times [2021-04-28 23:26:11,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:26:11,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930750875] [2021-04-28 23:26:11,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:26:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:26:11,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:11,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:11,264 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 23:26:11,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 23:26:11,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:26:11,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930750875] [2021-04-28 23:26:11,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:26:11,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:26:11,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604422444] [2021-04-28 23:26:11,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:26:11,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:26:11,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:26:11,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:26:11,284 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 342 [2021-04-28 23:26:11,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 198.75) internal successors, (795), 4 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,286 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:26:11,287 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 342 [2021-04-28 23:26:11,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:26:11,364 INFO L129 PetriNetUnfolder]: 27/154 cut-off events. [2021-04-28 23:26:11,365 INFO L130 PetriNetUnfolder]: For 24/50 co-relation queries the response was YES. [2021-04-28 23:26:11,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 154 events. 27/154 cut-off events. For 24/50 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 882 event pairs, 2 based on Foata normal form. 7/113 useless extension candidates. Maximal degree in co-relation 241. Up to 39 conditions per place. [2021-04-28 23:26:11,367 INFO L132 encePairwiseOnDemand]: 335/342 looper letters, 8 selfloop transitions, 8 changer transitions 0/37 dead transitions. [2021-04-28 23:26:11,368 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 37 transitions, 126 flow [2021-04-28 23:26:11,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:26:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:26:11,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 810 transitions. [2021-04-28 23:26:11,372 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5921052631578947 [2021-04-28 23:26:11,372 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 810 transitions. [2021-04-28 23:26:11,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 810 transitions. [2021-04-28 23:26:11,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:26:11,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 810 transitions. [2021-04-28 23:26:11,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 342.0) internal successors, (1710), 5 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,383 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 342.0) internal successors, (1710), 5 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,384 INFO L185 Difference]: Start difference. First operand has 38 places, 28 transitions, 70 flow. Second operand 4 states and 810 transitions. [2021-04-28 23:26:11,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 37 transitions, 126 flow [2021-04-28 23:26:11,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 37 transitions, 118 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:26:11,386 INFO L241 Difference]: Finished difference. Result has 42 places, 34 transitions, 123 flow [2021-04-28 23:26:11,386 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=123, PETRI_PLACES=42, PETRI_TRANSITIONS=34} [2021-04-28 23:26:11,386 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -87 predicate places. [2021-04-28 23:26:11,387 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:26:11,387 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 34 transitions, 123 flow [2021-04-28 23:26:11,387 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 34 transitions, 123 flow [2021-04-28 23:26:11,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 34 transitions, 123 flow [2021-04-28 23:26:11,411 INFO L129 PetriNetUnfolder]: 19/121 cut-off events. [2021-04-28 23:26:11,411 INFO L130 PetriNetUnfolder]: For 41/61 co-relation queries the response was YES. [2021-04-28 23:26:11,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 234 conditions, 121 events. 19/121 cut-off events. For 41/61 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 618 event pairs, 4 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 223. Up to 35 conditions per place. [2021-04-28 23:26:11,414 INFO L146 LiptonReduction]: Number of co-enabled transitions 516 [2021-04-28 23:26:11,455 INFO L158 LiptonReduction]: Checked pairs total: 337 [2021-04-28 23:26:11,456 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:26:11,456 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-04-28 23:26:11,459 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 34 transitions, 123 flow [2021-04-28 23:26:11,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 198.75) internal successors, (795), 4 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:26:11,461 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:26:11,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 23:26:11,461 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:26:11,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:26:11,462 INFO L82 PathProgramCache]: Analyzing trace with hash 773773912, now seen corresponding path program 1 times [2021-04-28 23:26:11,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:26:11,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821180178] [2021-04-28 23:26:11,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:26:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:26:11,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:11,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:11,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:11,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:11,611 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 23:26:11,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 23:26:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:26:11,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821180178] [2021-04-28 23:26:11,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:26:11,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:26:11,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229293599] [2021-04-28 23:26:11,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:26:11,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:26:11,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:26:11,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:26:11,637 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 342 [2021-04-28 23:26:11,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 34 transitions, 123 flow. Second operand has 5 states, 5 states have (on average 199.0) internal successors, (995), 5 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:26:11,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 342 [2021-04-28 23:26:11,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:26:11,734 INFO L129 PetriNetUnfolder]: 27/188 cut-off events. [2021-04-28 23:26:11,734 INFO L130 PetriNetUnfolder]: For 113/218 co-relation queries the response was YES. [2021-04-28 23:26:11,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 188 events. 27/188 cut-off events. For 113/218 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1170 event pairs, 9 based on Foata normal form. 7/133 useless extension candidates. Maximal degree in co-relation 397. Up to 42 conditions per place. [2021-04-28 23:26:11,736 INFO L132 encePairwiseOnDemand]: 335/342 looper letters, 7 selfloop transitions, 9 changer transitions 6/43 dead transitions. [2021-04-28 23:26:11,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 43 transitions, 212 flow [2021-04-28 23:26:11,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:26:11,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:26:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1009 transitions. [2021-04-28 23:26:11,741 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5900584795321637 [2021-04-28 23:26:11,742 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1009 transitions. [2021-04-28 23:26:11,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1009 transitions. [2021-04-28 23:26:11,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:26:11,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1009 transitions. [2021-04-28 23:26:11,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 201.8) internal successors, (1009), 5 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 342.0) internal successors, (2052), 6 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,754 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 342.0) internal successors, (2052), 6 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,754 INFO L185 Difference]: Start difference. First operand has 42 places, 34 transitions, 123 flow. Second operand 5 states and 1009 transitions. [2021-04-28 23:26:11,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 43 transitions, 212 flow [2021-04-28 23:26:11,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 43 transitions, 212 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 23:26:11,758 INFO L241 Difference]: Finished difference. Result has 49 places, 36 transitions, 174 flow [2021-04-28 23:26:11,759 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=174, PETRI_PLACES=49, PETRI_TRANSITIONS=36} [2021-04-28 23:26:11,759 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -80 predicate places. [2021-04-28 23:26:11,759 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:26:11,760 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 36 transitions, 174 flow [2021-04-28 23:26:11,760 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 36 transitions, 174 flow [2021-04-28 23:26:11,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 36 transitions, 174 flow [2021-04-28 23:26:11,784 INFO L129 PetriNetUnfolder]: 15/121 cut-off events. [2021-04-28 23:26:11,784 INFO L130 PetriNetUnfolder]: For 100/104 co-relation queries the response was YES. [2021-04-28 23:26:11,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 121 events. 15/121 cut-off events. For 100/104 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 637 event pairs, 4 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 262. Up to 30 conditions per place. [2021-04-28 23:26:11,787 INFO L146 LiptonReduction]: Number of co-enabled transitions 482 [2021-04-28 23:26:11,791 INFO L158 LiptonReduction]: Checked pairs total: 372 [2021-04-28 23:26:11,791 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:26:11,792 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-04-28 23:26:11,793 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 36 transitions, 174 flow [2021-04-28 23:26:11,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 199.0) internal successors, (995), 5 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,795 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:26:11,795 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:26:11,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 23:26:11,796 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:26:11,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:26:11,796 INFO L82 PathProgramCache]: Analyzing trace with hash -2125990647, now seen corresponding path program 1 times [2021-04-28 23:26:11,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:26:11,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500275555] [2021-04-28 23:26:11,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:26:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:26:11,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:11,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:26:11,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:11,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:11,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:11,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:11,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:26:11,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500275555] [2021-04-28 23:26:11,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:26:11,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:26:11,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875969442] [2021-04-28 23:26:11,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:26:11,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:26:11,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:26:11,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:26:11,908 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 342 [2021-04-28 23:26:11,910 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 36 transitions, 174 flow. Second operand has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:11,910 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:26:11,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 342 [2021-04-28 23:26:11,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:26:12,015 INFO L129 PetriNetUnfolder]: 5/111 cut-off events. [2021-04-28 23:26:12,015 INFO L130 PetriNetUnfolder]: For 176/188 co-relation queries the response was YES. [2021-04-28 23:26:12,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 111 events. 5/111 cut-off events. For 176/188 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 604 event pairs, 2 based on Foata normal form. 10/84 useless extension candidates. Maximal degree in co-relation 246. Up to 23 conditions per place. [2021-04-28 23:26:12,017 INFO L132 encePairwiseOnDemand]: 338/342 looper letters, 6 selfloop transitions, 3 changer transitions 6/37 dead transitions. [2021-04-28 23:26:12,017 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 37 transitions, 206 flow [2021-04-28 23:26:12,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:26:12,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:26:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1024 transitions. [2021-04-28 23:26:12,024 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5988304093567252 [2021-04-28 23:26:12,024 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1024 transitions. [2021-04-28 23:26:12,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1024 transitions. [2021-04-28 23:26:12,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:26:12,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1024 transitions. [2021-04-28 23:26:12,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 204.8) internal successors, (1024), 5 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:12,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 342.0) internal successors, (2052), 6 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:12,040 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 342.0) internal successors, (2052), 6 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:12,041 INFO L185 Difference]: Start difference. First operand has 49 places, 36 transitions, 174 flow. Second operand 5 states and 1024 transitions. [2021-04-28 23:26:12,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 37 transitions, 206 flow [2021-04-28 23:26:12,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 37 transitions, 189 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-04-28 23:26:12,051 INFO L241 Difference]: Finished difference. Result has 52 places, 30 transitions, 129 flow [2021-04-28 23:26:12,051 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=129, PETRI_PLACES=52, PETRI_TRANSITIONS=30} [2021-04-28 23:26:12,052 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -77 predicate places. [2021-04-28 23:26:12,052 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:26:12,052 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 30 transitions, 129 flow [2021-04-28 23:26:12,053 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 30 transitions, 129 flow [2021-04-28 23:26:12,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 30 transitions, 129 flow [2021-04-28 23:26:12,080 INFO L129 PetriNetUnfolder]: 2/76 cut-off events. [2021-04-28 23:26:12,080 INFO L130 PetriNetUnfolder]: For 93/93 co-relation queries the response was YES. [2021-04-28 23:26:12,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 76 events. 2/76 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 330 event pairs, 2 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 147. Up to 14 conditions per place. [2021-04-28 23:26:12,082 INFO L146 LiptonReduction]: Number of co-enabled transitions 342 [2021-04-28 23:26:12,088 INFO L158 LiptonReduction]: Checked pairs total: 293 [2021-04-28 23:26:12,088 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:26:12,089 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-04-28 23:26:12,093 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 30 transitions, 129 flow [2021-04-28 23:26:12,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:12,094 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:26:12,095 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:26:12,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 23:26:12,095 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:26:12,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:26:12,096 INFO L82 PathProgramCache]: Analyzing trace with hash 746961082, now seen corresponding path program 2 times [2021-04-28 23:26:12,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:26:12,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026784588] [2021-04-28 23:26:12,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:26:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:26:12,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:12,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:12,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:12,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:12,218 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 23:26:12,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 23:26:12,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:26:12,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026784588] [2021-04-28 23:26:12,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:26:12,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:26:12,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318058975] [2021-04-28 23:26:12,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:26:12,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:26:12,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:26:12,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:26:12,240 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 342 [2021-04-28 23:26:12,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 30 transitions, 129 flow. Second operand has 5 states, 5 states have (on average 199.0) internal successors, (995), 5 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:12,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:26:12,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 342 [2021-04-28 23:26:12,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:26:12,312 INFO L129 PetriNetUnfolder]: 1/72 cut-off events. [2021-04-28 23:26:12,313 INFO L130 PetriNetUnfolder]: For 104/104 co-relation queries the response was YES. [2021-04-28 23:26:12,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 72 events. 1/72 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 322 event pairs, 1 based on Foata normal form. 4/51 useless extension candidates. Maximal degree in co-relation 150. Up to 13 conditions per place. [2021-04-28 23:26:12,315 INFO L132 encePairwiseOnDemand]: 337/342 looper letters, 3 selfloop transitions, 4 changer transitions 8/34 dead transitions. [2021-04-28 23:26:12,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 34 transitions, 183 flow [2021-04-28 23:26:12,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:26:12,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:26:12,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1004 transitions. [2021-04-28 23:26:12,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5871345029239766 [2021-04-28 23:26:12,322 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1004 transitions. [2021-04-28 23:26:12,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1004 transitions. [2021-04-28 23:26:12,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:26:12,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1004 transitions. [2021-04-28 23:26:12,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 200.8) internal successors, (1004), 5 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:12,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 342.0) internal successors, (2052), 6 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:12,335 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 342.0) internal successors, (2052), 6 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:12,335 INFO L185 Difference]: Start difference. First operand has 49 places, 30 transitions, 129 flow. Second operand 5 states and 1004 transitions. [2021-04-28 23:26:12,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 34 transitions, 183 flow [2021-04-28 23:26:12,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 34 transitions, 144 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-04-28 23:26:12,340 INFO L241 Difference]: Finished difference. Result has 46 places, 26 transitions, 92 flow [2021-04-28 23:26:12,340 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=92, PETRI_PLACES=46, PETRI_TRANSITIONS=26} [2021-04-28 23:26:12,341 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -83 predicate places. [2021-04-28 23:26:12,341 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:26:12,341 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 26 transitions, 92 flow [2021-04-28 23:26:12,342 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 26 transitions, 92 flow [2021-04-28 23:26:12,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 26 transitions, 92 flow [2021-04-28 23:26:12,349 INFO L129 PetriNetUnfolder]: 1/28 cut-off events. [2021-04-28 23:26:12,349 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-04-28 23:26:12,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 28 events. 1/28 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 51 event pairs, 1 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 51. Up to 7 conditions per place. [2021-04-28 23:26:12,350 INFO L146 LiptonReduction]: Number of co-enabled transitions 242 [2021-04-28 23:26:12,555 INFO L158 LiptonReduction]: Checked pairs total: 462 [2021-04-28 23:26:12,555 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 23:26:12,555 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 214 [2021-04-28 23:26:12,559 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 26 transitions, 92 flow [2021-04-28 23:26:12,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 199.0) internal successors, (995), 5 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:12,560 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:26:12,560 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:26:12,560 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 23:26:12,560 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:26:12,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:26:12,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1347134900, now seen corresponding path program 1 times [2021-04-28 23:26:12,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:26:12,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948269319] [2021-04-28 23:26:12,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:26:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:26:12,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:12,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:12,671 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 23:26:12,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 23:26:12,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:12,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:26:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:26:12,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948269319] [2021-04-28 23:26:12,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:26:12,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:26:12,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452911145] [2021-04-28 23:26:12,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:26:12,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:26:12,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:26:12,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:26:12,690 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 343 [2021-04-28 23:26:12,691 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 26 transitions, 92 flow. Second operand has 4 states, 4 states have (on average 217.75) internal successors, (871), 4 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:12,691 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:26:12,692 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 343 [2021-04-28 23:26:12,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:26:12,850 INFO L129 PetriNetUnfolder]: 474/819 cut-off events. [2021-04-28 23:26:12,850 INFO L130 PetriNetUnfolder]: For 239/254 co-relation queries the response was YES. [2021-04-28 23:26:12,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1778 conditions, 819 events. 474/819 cut-off events. For 239/254 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 4860 event pairs, 177 based on Foata normal form. 64/433 useless extension candidates. Maximal degree in co-relation 1764. Up to 460 conditions per place. [2021-04-28 23:26:12,858 INFO L132 encePairwiseOnDemand]: 331/343 looper letters, 19 selfloop transitions, 11 changer transitions 2/45 dead transitions. [2021-04-28 23:26:12,858 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 45 transitions, 192 flow [2021-04-28 23:26:12,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:26:12,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:26:12,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 901 transitions. [2021-04-28 23:26:12,862 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6567055393586005 [2021-04-28 23:26:12,862 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 901 transitions. [2021-04-28 23:26:12,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 901 transitions. [2021-04-28 23:26:12,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:26:12,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 901 transitions. [2021-04-28 23:26:12,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 225.25) internal successors, (901), 4 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:12,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 343.0) internal successors, (1715), 5 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:12,869 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 343.0) internal successors, (1715), 5 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:12,869 INFO L185 Difference]: Start difference. First operand has 44 places, 26 transitions, 92 flow. Second operand 4 states and 901 transitions. [2021-04-28 23:26:12,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 45 transitions, 192 flow [2021-04-28 23:26:12,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 45 transitions, 172 flow, removed 2 selfloop flow, removed 8 redundant places. [2021-04-28 23:26:12,873 INFO L241 Difference]: Finished difference. Result has 41 places, 34 transitions, 152 flow [2021-04-28 23:26:12,873 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=152, PETRI_PLACES=41, PETRI_TRANSITIONS=34} [2021-04-28 23:26:12,873 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -88 predicate places. [2021-04-28 23:26:12,874 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:26:12,874 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 34 transitions, 152 flow [2021-04-28 23:26:12,874 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 34 transitions, 152 flow [2021-04-28 23:26:12,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 34 transitions, 152 flow [2021-04-28 23:26:12,935 INFO L129 PetriNetUnfolder]: 275/489 cut-off events. [2021-04-28 23:26:12,935 INFO L130 PetriNetUnfolder]: For 83/95 co-relation queries the response was YES. [2021-04-28 23:26:12,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1090 conditions, 489 events. 275/489 cut-off events. For 83/95 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 2722 event pairs, 144 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 1080. Up to 433 conditions per place. [2021-04-28 23:26:12,943 INFO L146 LiptonReduction]: Number of co-enabled transitions 206 [2021-04-28 23:26:13,059 INFO L158 LiptonReduction]: Checked pairs total: 530 [2021-04-28 23:26:13,059 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 23:26:13,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 186 [2021-04-28 23:26:13,061 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 34 transitions, 153 flow [2021-04-28 23:26:13,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 217.75) internal successors, (871), 4 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:13,062 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:26:13,062 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:26:13,062 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 23:26:13,063 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:26:13,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:26:13,063 INFO L82 PathProgramCache]: Analyzing trace with hash -979132660, now seen corresponding path program 1 times [2021-04-28 23:26:13,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:26:13,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478676798] [2021-04-28 23:26:13,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:26:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:26:13,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:13,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:13,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:13,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:13,248 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 23:26:13,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 23:26:13,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:13,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:26:13,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:26:13,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478676798] [2021-04-28 23:26:13,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:26:13,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:26:13,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166349692] [2021-04-28 23:26:13,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:26:13,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:26:13,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:26:13,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:26:13,267 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 344 [2021-04-28 23:26:13,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 34 transitions, 153 flow. Second operand has 5 states, 5 states have (on average 218.8) internal successors, (1094), 5 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:13,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:26:13,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 344 [2021-04-28 23:26:13,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:26:13,465 INFO L129 PetriNetUnfolder]: 360/670 cut-off events. [2021-04-28 23:26:13,465 INFO L130 PetriNetUnfolder]: For 246/357 co-relation queries the response was YES. [2021-04-28 23:26:13,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2121 conditions, 670 events. 360/670 cut-off events. For 246/357 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 3958 event pairs, 9 based on Foata normal form. 67/405 useless extension candidates. Maximal degree in co-relation 2109. Up to 523 conditions per place. [2021-04-28 23:26:13,472 INFO L132 encePairwiseOnDemand]: 332/344 looper letters, 19 selfloop transitions, 20 changer transitions 2/53 dead transitions. [2021-04-28 23:26:13,472 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 53 transitions, 310 flow [2021-04-28 23:26:13,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:26:13,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:26:13,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1132 transitions. [2021-04-28 23:26:13,478 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6581395348837209 [2021-04-28 23:26:13,479 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1132 transitions. [2021-04-28 23:26:13,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1132 transitions. [2021-04-28 23:26:13,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:26:13,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1132 transitions. [2021-04-28 23:26:13,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 226.4) internal successors, (1132), 5 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:13,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 344.0) internal successors, (2064), 6 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:13,489 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 344.0) internal successors, (2064), 6 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:13,489 INFO L185 Difference]: Start difference. First operand has 40 places, 34 transitions, 153 flow. Second operand 5 states and 1132 transitions. [2021-04-28 23:26:13,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 53 transitions, 310 flow [2021-04-28 23:26:13,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 53 transitions, 294 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 23:26:13,494 INFO L241 Difference]: Finished difference. Result has 44 places, 42 transitions, 262 flow [2021-04-28 23:26:13,496 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=262, PETRI_PLACES=44, PETRI_TRANSITIONS=42} [2021-04-28 23:26:13,496 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -85 predicate places. [2021-04-28 23:26:13,496 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:26:13,496 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 42 transitions, 262 flow [2021-04-28 23:26:13,497 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 42 transitions, 262 flow [2021-04-28 23:26:13,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 42 transitions, 262 flow [2021-04-28 23:26:13,549 INFO L129 PetriNetUnfolder]: 171/390 cut-off events. [2021-04-28 23:26:13,549 INFO L130 PetriNetUnfolder]: For 169/212 co-relation queries the response was YES. [2021-04-28 23:26:13,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1274 conditions, 390 events. 171/390 cut-off events. For 169/212 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 2372 event pairs, 36 based on Foata normal form. 2/209 useless extension candidates. Maximal degree in co-relation 1262. Up to 307 conditions per place. [2021-04-28 23:26:13,554 INFO L146 LiptonReduction]: Number of co-enabled transitions 190 [2021-04-28 23:26:13,661 INFO L158 LiptonReduction]: Checked pairs total: 372 [2021-04-28 23:26:13,661 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:26:13,662 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 166 [2021-04-28 23:26:13,663 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 42 transitions, 262 flow [2021-04-28 23:26:13,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 218.8) internal successors, (1094), 5 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:13,665 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:26:13,665 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:26:13,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 23:26:13,665 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:26:13,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:26:13,666 INFO L82 PathProgramCache]: Analyzing trace with hash 41186132, now seen corresponding path program 1 times [2021-04-28 23:26:13,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:26:13,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342473219] [2021-04-28 23:26:13,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:26:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:26:13,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:13,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:13,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:13,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:13,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:13,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:26:13,780 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 23:26:13,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 23:26:13,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:26:13,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:26:13,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:26:13,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342473219] [2021-04-28 23:26:13,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:26:13,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 23:26:13,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330714877] [2021-04-28 23:26:13,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:26:13,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:26:13,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:26:13,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:26:13,806 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 344 [2021-04-28 23:26:13,808 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 42 transitions, 262 flow. Second operand has 6 states, 6 states have (on average 218.83333333333334) internal successors, (1313), 6 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:13,808 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:26:13,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 344 [2021-04-28 23:26:13,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:26:14,026 INFO L129 PetriNetUnfolder]: 135/345 cut-off events. [2021-04-28 23:26:14,026 INFO L130 PetriNetUnfolder]: For 387/531 co-relation queries the response was YES. [2021-04-28 23:26:14,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 345 events. 135/345 cut-off events. For 387/531 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 2019 event pairs, 0 based on Foata normal form. 62/250 useless extension candidates. Maximal degree in co-relation 1415. Up to 253 conditions per place. [2021-04-28 23:26:14,029 INFO L132 encePairwiseOnDemand]: 332/344 looper letters, 1 selfloop transitions, 29 changer transitions 1/43 dead transitions. [2021-04-28 23:26:14,029 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 43 transitions, 330 flow [2021-04-28 23:26:14,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 23:26:14,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 23:26:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1341 transitions. [2021-04-28 23:26:14,034 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6497093023255814 [2021-04-28 23:26:14,035 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1341 transitions. [2021-04-28 23:26:14,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1341 transitions. [2021-04-28 23:26:14,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:26:14,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1341 transitions. [2021-04-28 23:26:14,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 223.5) internal successors, (1341), 6 states have internal predecessors, (1341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:14,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:14,046 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:14,046 INFO L185 Difference]: Start difference. First operand has 43 places, 42 transitions, 262 flow. Second operand 6 states and 1341 transitions. [2021-04-28 23:26:14,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 43 transitions, 330 flow [2021-04-28 23:26:14,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 43 transitions, 264 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-04-28 23:26:14,051 INFO L241 Difference]: Finished difference. Result has 44 places, 42 transitions, 290 flow [2021-04-28 23:26:14,051 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=290, PETRI_PLACES=44, PETRI_TRANSITIONS=42} [2021-04-28 23:26:14,051 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -85 predicate places. [2021-04-28 23:26:14,052 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:26:14,052 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 42 transitions, 290 flow [2021-04-28 23:26:14,052 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 42 transitions, 290 flow [2021-04-28 23:26:14,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 42 transitions, 290 flow [2021-04-28 23:26:14,083 INFO L129 PetriNetUnfolder]: 81/237 cut-off events. [2021-04-28 23:26:14,083 INFO L130 PetriNetUnfolder]: For 207/243 co-relation queries the response was YES. [2021-04-28 23:26:14,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 237 events. 81/237 cut-off events. For 207/243 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1404 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 917. Up to 163 conditions per place. [2021-04-28 23:26:14,086 INFO L146 LiptonReduction]: Number of co-enabled transitions 134 [2021-04-28 23:26:14,090 INFO L158 LiptonReduction]: Checked pairs total: 441 [2021-04-28 23:26:14,091 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:26:14,091 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-04-28 23:26:14,092 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 42 transitions, 290 flow [2021-04-28 23:26:14,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 218.83333333333334) internal successors, (1313), 6 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:26:14,094 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:26:14,094 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:26:14,094 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 23:26:14,094 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:26:14,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:26:14,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1306692795, now seen corresponding path program 1 times [2021-04-28 23:26:14,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:26:14,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341493289] [2021-04-28 23:26:14,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:26:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:26:14,179 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:26:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:26:14,298 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:26:14,371 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 23:26:14,371 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 23:26:14,372 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 23:26:14,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 11:26:14 BasicIcfg [2021-04-28 23:26:14,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 23:26:14,565 INFO L168 Benchmark]: Toolchain (without parser) took 52537.45 ms. Allocated memory was 318.8 MB in the beginning and 696.3 MB in the end (delta: 377.5 MB). Free memory was 292.9 MB in the beginning and 315.1 MB in the end (delta: -22.2 MB). Peak memory consumption was 356.7 MB. Max. memory is 16.0 GB. [2021-04-28 23:26:14,565 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 318.8 MB. Free memory was 289.9 MB in the beginning and 289.8 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:26:14,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1287.65 ms. Allocated memory is still 318.8 MB. Free memory was 289.9 MB in the beginning and 286.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.0 GB. [2021-04-28 23:26:14,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.88 ms. Allocated memory is still 318.8 MB. Free memory was 286.6 MB in the beginning and 283.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:26:14,567 INFO L168 Benchmark]: Boogie Preprocessor took 44.37 ms. Allocated memory is still 318.8 MB. Free memory was 283.4 MB in the beginning and 281.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:26:14,567 INFO L168 Benchmark]: RCFGBuilder took 2881.67 ms. Allocated memory is still 318.8 MB. Free memory was 281.3 MB in the beginning and 249.9 MB in the end (delta: 31.5 MB). Peak memory consumption was 172.0 MB. Max. memory is 16.0 GB. [2021-04-28 23:26:14,568 INFO L168 Benchmark]: TraceAbstraction took 48147.30 ms. Allocated memory was 318.8 MB in the beginning and 696.3 MB in the end (delta: 377.5 MB). Free memory was 248.8 MB in the beginning and 315.1 MB in the end (delta: -66.3 MB). Peak memory consumption was 311.2 MB. Max. memory is 16.0 GB. [2021-04-28 23:26:14,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 318.8 MB. Free memory was 289.9 MB in the beginning and 289.8 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1287.65 ms. Allocated memory is still 318.8 MB. Free memory was 289.9 MB in the beginning and 286.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 109.88 ms. Allocated memory is still 318.8 MB. Free memory was 286.6 MB in the beginning and 283.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 44.37 ms. Allocated memory is still 318.8 MB. Free memory was 283.4 MB in the beginning and 281.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2881.67 ms. Allocated memory is still 318.8 MB. Free memory was 281.3 MB in the beginning and 249.9 MB in the end (delta: 31.5 MB). Peak memory consumption was 172.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 48147.30 ms. Allocated memory was 318.8 MB in the beginning and 696.3 MB in the end (delta: 377.5 MB). Free memory was 248.8 MB in the beginning and 315.1 MB in the end (delta: -66.3 MB). Peak memory consumption was 311.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42340.5ms, 102 PlacesBefore, 129 PlacesAfterwards, 94 TransitionsBefore, 120 TransitionsAfterwards, 1586 CoEnabledTransitionPairs, 9 FixpointIterations, 160 TrivialSequentialCompositions, 83 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 245 TotalNumberOfCompositions, 15004 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4118, positive: 3848, positive conditional: 3848, positive unconditional: 0, negative: 270, negative conditional: 270, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1845, positive: 1785, positive conditional: 0, positive unconditional: 1785, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1845, positive: 1785, positive conditional: 0, positive unconditional: 1785, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1845, positive: 1759, positive conditional: 0, positive unconditional: 1759, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1172, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 1070, negative conditional: 0, negative unconditional: 1070, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4118, positive: 2063, positive conditional: 2063, positive unconditional: 0, negative: 210, negative conditional: 210, negative unconditional: 0, unknown: 1845, unknown conditional: 1845, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1837, Positive cache size: 1780, Positive conditional cache size: 1780, Positive unconditional cache size: 0, Negative cache size: 57, Negative conditional cache size: 57, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 904.2ms, 125 PlacesBefore, 72 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 1794 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2176 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 334, positive: 266, positive conditional: 266, positive unconditional: 0, negative: 68, negative conditional: 68, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 103, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 103, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 103, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 876, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 783, negative conditional: 0, negative unconditional: 783, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 334, positive: 186, positive conditional: 186, positive unconditional: 0, negative: 45, negative conditional: 45, negative unconditional: 0, unknown: 103, unknown conditional: 103, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1940, Positive cache size: 1860, Positive conditional cache size: 1860, Positive unconditional cache size: 0, Negative cache size: 80, Negative conditional cache size: 80, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.5ms, 73 PlacesBefore, 38 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 418 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 503 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 100, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 16, positive conditional: 1, positive unconditional: 15, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, positive: 16, positive conditional: 1, positive unconditional: 15, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 13, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 100, positive: 55, positive conditional: 55, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1960, Positive cache size: 1876, Positive conditional cache size: 1876, 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: 68.8ms, 42 PlacesBefore, 42 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 516 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 337 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 90, positive: 73, positive conditional: 73, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 20, positive conditional: 3, positive unconditional: 17, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 20, positive conditional: 3, positive unconditional: 17, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 90, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1982, Positive cache size: 1896, Positive conditional cache size: 1896, 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: 31.2ms, 49 PlacesBefore, 49 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 482 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 372 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 95, positive: 77, positive conditional: 77, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 95, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1989, Positive cache size: 1903, Positive conditional cache size: 1903, 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: 35.8ms, 52 PlacesBefore, 49 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 342 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 293 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 70, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 70, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1993, Positive cache size: 1907, Positive conditional cache size: 1907, 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: 213.5ms, 46 PlacesBefore, 44 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 242 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 462 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 109, positive: 77, positive conditional: 77, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 4, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 4, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 109, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2000, Positive cache size: 1914, Positive conditional cache size: 1914, 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: 185.4ms, 41 PlacesBefore, 40 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 206 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 530 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 200, positive: 174, positive conditional: 174, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 25, positive conditional: 17, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27, positive: 25, positive conditional: 17, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 200, positive: 149, positive conditional: 149, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2027, Positive cache size: 1939, Positive conditional cache size: 1939, Positive unconditional cache size: 0, Negative cache size: 88, Negative conditional cache size: 88, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 164.8ms, 44 PlacesBefore, 43 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 190 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 372 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 49, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 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: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2033, Positive cache size: 1943, Positive conditional cache size: 1943, Positive unconditional cache size: 0, Negative cache size: 90, Negative conditional cache size: 90, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.8ms, 44 PlacesBefore, 44 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 134 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 441 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 65, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, 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: 5, positive: 5, positive conditional: 5, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 65, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2038, Positive cache size: 1948, Positive conditional cache size: 1948, Positive unconditional cache size: 0, Negative cache size: 90, Negative conditional cache size: 90, Negative unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p0_EBX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L721] 0 _Bool x$flush_delayed; [L722] 0 int x$mem_tmp; [L723] 0 _Bool x$r_buff0_thd0; [L724] 0 _Bool x$r_buff0_thd1; [L725] 0 _Bool x$r_buff0_thd2; [L726] 0 _Bool x$r_buff0_thd3; [L727] 0 _Bool x$r_buff1_thd0; [L728] 0 _Bool x$r_buff1_thd1; [L729] 0 _Bool x$r_buff1_thd2; [L730] 0 _Bool x$r_buff1_thd3; [L731] 0 _Bool x$read_delayed; [L732] 0 int *x$read_delayed_var; [L733] 0 int x$w_buff0; [L734] 0 _Bool x$w_buff0_used; [L735] 0 int x$w_buff1; [L736] 0 _Bool x$w_buff1_used; [L738] 0 int y = 0; [L739] 0 _Bool weak$$choice0; [L740] 0 _Bool weak$$choice2; [L829] 0 pthread_t t1840; [L830] FCALL, FORK 0 pthread_create(&t1840, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L831] 0 pthread_t t1841; [L832] FCALL, FORK 0 pthread_create(&t1841, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L772] 2 x$w_buff1 = x$w_buff0 [L773] 2 x$w_buff0 = 1 [L774] 2 x$w_buff1_used = x$w_buff0_used [L775] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L777] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L778] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L779] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L780] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L781] 2 x$r_buff0_thd2 = (_Bool)1 [L784] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L833] 0 pthread_t t1842; [L834] FCALL, FORK 0 pthread_create(&t1842, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L801] 3 __unbuffered_p2_EAX = y [L804] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L744] 1 __unbuffered_p0_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L747] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L748] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L749] 1 x$flush_delayed = weak$$choice2 [L750] 1 x$mem_tmp = x [L751] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L751] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L752] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L752] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L753] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L753] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L754] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L754] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L755] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L755] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L756] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L757] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L757] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] 1 __unbuffered_p0_EBX = x [L759] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L759] 1 x = x$flush_delayed ? x$mem_tmp : x [L760] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L787] 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) [L787] 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) [L788] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L788] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L789] 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 [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L790] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L791] 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 [L794] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L796] 2 return 0; [L807] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L807] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L807] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L807] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L808] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L808] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L809] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L809] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L810] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L810] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L811] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L811] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L814] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L816] 3 return 0; [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L767] 1 return 0; [L836] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L4] COND FALSE 0 !(!cond) [L840] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L840] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L840] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L840] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L841] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L841] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L842] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L842] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L843] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L843] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L844] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L844] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L847] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 2 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 1) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 15.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 47720.0ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1584.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 42516.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 65 SDtfs, 54 SDslu, 40 SDs, 0 SdLazy, 210 SolverSat, 108 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 426.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 255.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=290occurred in iteration=9, InterpolantAutomatonStates: 40, 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: 54.1ms SsaConstructionTime, 504.2ms SatisfiabilityAnalysisTime, 841.6ms InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 344 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...