/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe023_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 19:55:15,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 19:55:15,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 19:55:15,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-24 19:55:15,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 19:55:15,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 19:55:15,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 19:55:15,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 19:55:15,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 19:55:15,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 19:55:15,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 19:55:15,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 19:55:15,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 19:55:15,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 19:55:15,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 19:55:15,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 19:55:15,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 19:55:15,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 19:55:15,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 19:55:15,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 19:55:15,439 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-SemanticLbe.epf [2021-03-24 19:55:15,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 19:55:15,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 19:55:15,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 19:55:15,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 19:55:15,468 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 19:55:15,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 19:55:15,469 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 19:55:15,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 19:55:15,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 19:55:15,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 19:55:15,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 19:55:15,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 19:55:15,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 19:55:15,470 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 19:55:15,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 19:55:15,470 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 19:55:15,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 19:55:15,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 19:55:15,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 19:55:15,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 19:55:15,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 19:55:15,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 19:55:15,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 19:55:15,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 19:55:15,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 19:55:15,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 19:55:15,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 19:55:15,472 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 19:55:15,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 19:55:15,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 19:55:15,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 19:55:15,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 19:55:15,713 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 19:55:15,713 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 19:55:15,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe023_power.opt.i [2021-03-24 19:55:15,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dcf5dba5/8cb794de3e624c909cdca3b53cbae4ab/FLAG90f56c2bd [2021-03-24 19:55:16,152 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 19:55:16,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_power.opt.i [2021-03-24 19:55:16,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dcf5dba5/8cb794de3e624c909cdca3b53cbae4ab/FLAG90f56c2bd [2021-03-24 19:55:16,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dcf5dba5/8cb794de3e624c909cdca3b53cbae4ab [2021-03-24 19:55:16,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 19:55:16,190 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 19:55:16,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 19:55:16,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 19:55:16,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 19:55:16,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:55:16" (1/1) ... [2021-03-24 19:55:16,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c74a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:55:16, skipping insertion in model container [2021-03-24 19:55:16,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:55:16" (1/1) ... [2021-03-24 19:55:16,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 19:55:16,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 19:55:16,421 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/safe023_power.opt.i[994,1007] [2021-03-24 19:55:16,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:55:16,606 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 19:55:16,613 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/safe023_power.opt.i[994,1007] [2021-03-24 19:55:16,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:55:16,699 INFO L208 MainTranslator]: Completed translation [2021-03-24 19:55:16,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:55:16 WrapperNode [2021-03-24 19:55:16,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 19:55:16,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 19:55:16,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 19:55:16,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 19:55:16,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:55:16" (1/1) ... [2021-03-24 19:55:16,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:55:16" (1/1) ... [2021-03-24 19:55:16,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 19:55:16,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 19:55:16,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 19:55:16,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 19:55:16,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:55:16" (1/1) ... [2021-03-24 19:55:16,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:55:16" (1/1) ... [2021-03-24 19:55:16,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:55:16" (1/1) ... [2021-03-24 19:55:16,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:55:16" (1/1) ... [2021-03-24 19:55:16,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:55:16" (1/1) ... [2021-03-24 19:55:16,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:55:16" (1/1) ... [2021-03-24 19:55:16,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:55:16" (1/1) ... [2021-03-24 19:55:16,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 19:55:16,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 19:55:16,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 19:55:16,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 19:55:16,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:55:16" (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 [2021-03-24 19:55:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 19:55:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 19:55:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 19:55:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 19:55:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 19:55:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 19:55:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 19:55:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 19:55:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 19:55:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 19:55:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 19:55:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 19:55:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 19:55:16,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 19:55:16,856 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 19:55:19,118 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 19:55:19,118 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 19:55:19,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:55:19 BoogieIcfgContainer [2021-03-24 19:55:19,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 19:55:19,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 19:55:19,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 19:55:19,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 19:55:19,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 07:55:16" (1/3) ... [2021-03-24 19:55:19,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f224ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:55:19, skipping insertion in model container [2021-03-24 19:55:19,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:55:16" (2/3) ... [2021-03-24 19:55:19,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f224ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:55:19, skipping insertion in model container [2021-03-24 19:55:19,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:55:19" (3/3) ... [2021-03-24 19:55:19,124 INFO L111 eAbstractionObserver]: Analyzing ICFG safe023_power.opt.i [2021-03-24 19:55:19,130 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 19:55:19,133 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 19:55:19,134 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 19:55:19,168 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,169 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,169 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,169 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,169 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,169 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,169 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,169 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,173 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,174 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,176 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,176 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,176 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,176 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,176 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,176 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,176 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,176 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,177 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,177 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,177 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,177 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,177 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,177 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,177 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,177 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,177 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,181 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,181 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,188 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,188 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,188 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,188 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,188 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,189 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,189 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,189 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,195 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,195 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,195 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,196 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,202 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,213 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,213 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,213 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:55:19,217 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 19:55:19,228 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-24 19:55:19,247 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 19:55:19,247 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 19:55:19,247 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 19:55:19,247 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 19:55:19,247 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 19:55:19,247 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 19:55:19,247 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 19:55:19,247 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 19:55:19,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2021-03-24 19:55:19,287 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-03-24 19:55:19,287 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:55:19,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 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. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-24 19:55:19,290 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 99 transitions, 213 flow [2021-03-24 19:55:19,293 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 96 transitions, 201 flow [2021-03-24 19:55:19,294 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-24 19:55:19,302 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 201 flow [2021-03-24 19:55:19,304 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 201 flow [2021-03-24 19:55:19,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 201 flow [2021-03-24 19:55:19,318 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-03-24 19:55:19,318 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:55:19,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-24 19:55:19,321 INFO L142 LiptonReduction]: Number of co-enabled transitions 1786 [2021-03-24 19:55:20,064 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 19:55:20,406 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-24 19:55:22,566 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-03-24 19:55:22,827 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-03-24 19:55:24,075 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-24 19:55:24,665 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-24 19:55:25,018 INFO L154 LiptonReduction]: Checked pairs total: 3300 [2021-03-24 19:55:25,018 INFO L156 LiptonReduction]: Total number of compositions: 62 [2021-03-24 19:55:25,020 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5726 [2021-03-24 19:55:25,025 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-24 19:55:25,025 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:55:25,025 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:25,026 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:25,026 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:25,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:25,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1498083627, now seen corresponding path program 1 times [2021-03-24 19:55:25,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:25,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017807594] [2021-03-24 19:55:25,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:25,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:25,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:25,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:25,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:25,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017807594] [2021-03-24 19:55:25,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:25,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 19:55:25,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426540530] [2021-03-24 19:55:25,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 19:55:25,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:25,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 19:55:25,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 19:55:25,261 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 161 [2021-03-24 19:55:25,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,264 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:25,264 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 161 [2021-03-24 19:55:25,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:25,400 INFO L129 PetriNetUnfolder]: 190/443 cut-off events. [2021-03-24 19:55:25,400 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:55:25,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 443 events. 190/443 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2572 event pairs, 40 based on Foata normal form. 32/457 useless extension candidates. Maximal degree in co-relation 733. Up to 223 conditions per place. [2021-03-24 19:55:25,407 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 15 selfloop transitions, 2 changer transitions 0/44 dead transitions. [2021-03-24 19:55:25,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 131 flow [2021-03-24 19:55:25,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 19:55:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 19:55:25,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2021-03-24 19:55:25,421 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8923395445134575 [2021-03-24 19:55:25,422 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 431 transitions. [2021-03-24 19:55:25,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 431 transitions. [2021-03-24 19:55:25,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:25,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 431 transitions. [2021-03-24 19:55:25,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,435 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,437 INFO L185 Difference]: Start difference. First operand has 49 places, 40 transitions, 89 flow. Second operand 3 states and 431 transitions. [2021-03-24 19:55:25,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 131 flow [2021-03-24 19:55:25,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 44 transitions, 128 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-24 19:55:25,440 INFO L241 Difference]: Finished difference. Result has 46 places, 37 transitions, 84 flow [2021-03-24 19:55:25,441 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2021-03-24 19:55:25,442 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2021-03-24 19:55:25,442 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 84 flow [2021-03-24 19:55:25,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,442 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:25,442 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:25,442 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 19:55:25,442 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:25,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:25,443 INFO L82 PathProgramCache]: Analyzing trace with hash 463185172, now seen corresponding path program 1 times [2021-03-24 19:55:25,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:25,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93459122] [2021-03-24 19:55:25,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:25,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:25,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:25,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:25,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:25,578 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:25,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:25,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93459122] [2021-03-24 19:55:25,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:25,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:55:25,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50249673] [2021-03-24 19:55:25,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:55:25,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:25,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:55:25,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:55:25,589 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 161 [2021-03-24 19:55:25,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 84 flow. Second operand has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:25,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 161 [2021-03-24 19:55:25,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:25,611 INFO L129 PetriNetUnfolder]: 1/51 cut-off events. [2021-03-24 19:55:25,611 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:55:25,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 102 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 55. Up to 5 conditions per place. [2021-03-24 19:55:25,611 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 2 selfloop transitions, 2 changer transitions 9/41 dead transitions. [2021-03-24 19:55:25,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 41 transitions, 110 flow [2021-03-24 19:55:25,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:55:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:55:25,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 721 transitions. [2021-03-24 19:55:25,613 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8956521739130435 [2021-03-24 19:55:25,613 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 721 transitions. [2021-03-24 19:55:25,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 721 transitions. [2021-03-24 19:55:25,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:25,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 721 transitions. [2021-03-24 19:55:25,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 144.2) internal successors, (721), 5 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,616 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,617 INFO L185 Difference]: Start difference. First operand has 46 places, 37 transitions, 84 flow. Second operand 5 states and 721 transitions. [2021-03-24 19:55:25,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 41 transitions, 110 flow [2021-03-24 19:55:25,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 41 transitions, 106 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 19:55:25,617 INFO L241 Difference]: Finished difference. Result has 51 places, 32 transitions, 82 flow [2021-03-24 19:55:25,618 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=82, PETRI_PLACES=51, PETRI_TRANSITIONS=32} [2021-03-24 19:55:25,618 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 2 predicate places. [2021-03-24 19:55:25,618 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 32 transitions, 82 flow [2021-03-24 19:55:25,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,618 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:25,618 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:25,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 19:55:25,619 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:25,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:25,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1433297591, now seen corresponding path program 1 times [2021-03-24 19:55:25,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:25,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285646297] [2021-03-24 19:55:25,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:25,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:25,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:25,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:25,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:25,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:25,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:25,699 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:25,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:25,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285646297] [2021-03-24 19:55:25,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:25,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:55:25,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888152828] [2021-03-24 19:55:25,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:55:25,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:25,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:55:25,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:55:25,705 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 161 [2021-03-24 19:55:25,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 32 transitions, 82 flow. Second operand has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:25,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 161 [2021-03-24 19:55:25,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:25,743 INFO L129 PetriNetUnfolder]: 1/42 cut-off events. [2021-03-24 19:55:25,743 INFO L130 PetriNetUnfolder]: For 10/12 co-relation queries the response was YES. [2021-03-24 19:55:25,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 42 events. 1/42 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 80 event pairs, 0 based on Foata normal form. 3/45 useless extension candidates. Maximal degree in co-relation 64. Up to 6 conditions per place. [2021-03-24 19:55:25,743 INFO L132 encePairwiseOnDemand]: 156/161 looper letters, 2 selfloop transitions, 3 changer transitions 4/36 dead transitions. [2021-03-24 19:55:25,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 36 transitions, 115 flow [2021-03-24 19:55:25,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 19:55:25,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 19:55:25,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 833 transitions. [2021-03-24 19:55:25,745 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8623188405797102 [2021-03-24 19:55:25,745 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 833 transitions. [2021-03-24 19:55:25,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 833 transitions. [2021-03-24 19:55:25,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:25,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 833 transitions. [2021-03-24 19:55:25,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 138.83333333333334) internal successors, (833), 6 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,748 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,748 INFO L185 Difference]: Start difference. First operand has 51 places, 32 transitions, 82 flow. Second operand 6 states and 833 transitions. [2021-03-24 19:55:25,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 36 transitions, 115 flow [2021-03-24 19:55:25,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 105 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 19:55:25,749 INFO L241 Difference]: Finished difference. Result has 49 places, 32 transitions, 92 flow [2021-03-24 19:55:25,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=92, PETRI_PLACES=49, PETRI_TRANSITIONS=32} [2021-03-24 19:55:25,750 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 0 predicate places. [2021-03-24 19:55:25,750 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 32 transitions, 92 flow [2021-03-24 19:55:25,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:25,750 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:25,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 19:55:25,750 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:25,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:25,751 INFO L82 PathProgramCache]: Analyzing trace with hash 801831238, now seen corresponding path program 1 times [2021-03-24 19:55:25,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:25,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440022946] [2021-03-24 19:55:25,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:25,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:25,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:25,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:25,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:25,832 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:25,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:25,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:25,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440022946] [2021-03-24 19:55:25,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:25,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:55:25,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824624456] [2021-03-24 19:55:25,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:55:25,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:25,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:55:25,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:55:25,837 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 161 [2021-03-24 19:55:25,838 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 32 transitions, 92 flow. Second operand has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,838 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:25,838 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 161 [2021-03-24 19:55:25,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:25,861 INFO L129 PetriNetUnfolder]: 0/36 cut-off events. [2021-03-24 19:55:25,861 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-03-24 19:55:25,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 36 events. 0/36 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 0 based on Foata normal form. 2/38 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-24 19:55:25,862 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 2 selfloop transitions, 2 changer transitions 2/34 dead transitions. [2021-03-24 19:55:25,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 34 transitions, 114 flow [2021-03-24 19:55:25,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:55:25,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:55:25,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 723 transitions. [2021-03-24 19:55:25,864 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8981366459627329 [2021-03-24 19:55:25,864 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 723 transitions. [2021-03-24 19:55:25,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 723 transitions. [2021-03-24 19:55:25,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:25,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 723 transitions. [2021-03-24 19:55:25,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 144.6) internal successors, (723), 5 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,867 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,867 INFO L185 Difference]: Start difference. First operand has 49 places, 32 transitions, 92 flow. Second operand 5 states and 723 transitions. [2021-03-24 19:55:25,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 34 transitions, 114 flow [2021-03-24 19:55:25,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 34 transitions, 94 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-24 19:55:25,869 INFO L241 Difference]: Finished difference. Result has 48 places, 32 transitions, 88 flow [2021-03-24 19:55:25,869 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=88, PETRI_PLACES=48, PETRI_TRANSITIONS=32} [2021-03-24 19:55:25,869 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2021-03-24 19:55:25,869 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 32 transitions, 88 flow [2021-03-24 19:55:25,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:25,870 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:25,870 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:25,870 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 19:55:25,870 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:25,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:25,870 INFO L82 PathProgramCache]: Analyzing trace with hash 2003188168, now seen corresponding path program 1 times [2021-03-24 19:55:25,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:25,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995776135] [2021-03-24 19:55:25,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:25,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:25,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:25,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:25,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:26,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:55:26,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:55:26,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 19:55:26,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 19:55:26,032 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:26,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:26,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:26,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995776135] [2021-03-24 19:55:26,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:26,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 19:55:26,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488822156] [2021-03-24 19:55:26,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 19:55:26,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:26,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 19:55:26,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 19:55:26,042 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 161 [2021-03-24 19:55:26,043 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 32 transitions, 88 flow. Second operand has 7 states, 7 states have (on average 118.57142857142857) internal successors, (830), 7 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:26,043 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:26,043 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 161 [2021-03-24 19:55:26,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:26,272 INFO L129 PetriNetUnfolder]: 201/424 cut-off events. [2021-03-24 19:55:26,272 INFO L130 PetriNetUnfolder]: For 118/119 co-relation queries the response was YES. [2021-03-24 19:55:26,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 424 events. 201/424 cut-off events. For 118/119 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2037 event pairs, 52 based on Foata normal form. 18/427 useless extension candidates. Maximal degree in co-relation 860. Up to 250 conditions per place. [2021-03-24 19:55:26,274 INFO L132 encePairwiseOnDemand]: 149/161 looper letters, 16 selfloop transitions, 10 changer transitions 9/52 dead transitions. [2021-03-24 19:55:26,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 52 transitions, 205 flow [2021-03-24 19:55:26,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 19:55:26,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 19:55:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 973 transitions. [2021-03-24 19:55:26,276 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7554347826086957 [2021-03-24 19:55:26,276 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 973 transitions. [2021-03-24 19:55:26,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 973 transitions. [2021-03-24 19:55:26,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:26,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 973 transitions. [2021-03-24 19:55:26,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 121.625) internal successors, (973), 8 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:26,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:26,281 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:26,281 INFO L185 Difference]: Start difference. First operand has 48 places, 32 transitions, 88 flow. Second operand 8 states and 973 transitions. [2021-03-24 19:55:26,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 52 transitions, 205 flow [2021-03-24 19:55:26,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 52 transitions, 195 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 19:55:26,284 INFO L241 Difference]: Finished difference. Result has 53 places, 39 transitions, 158 flow [2021-03-24 19:55:26,284 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=158, PETRI_PLACES=53, PETRI_TRANSITIONS=39} [2021-03-24 19:55:26,284 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 4 predicate places. [2021-03-24 19:55:26,284 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 39 transitions, 158 flow [2021-03-24 19:55:26,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 118.57142857142857) internal successors, (830), 7 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:26,284 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:26,285 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:26,285 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 19:55:26,285 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:26,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:26,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1287418016, now seen corresponding path program 2 times [2021-03-24 19:55:26,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:26,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691398324] [2021-03-24 19:55:26,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:26,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:26,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:26,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:55:26,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:26,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 19:55:26,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 19:55:26,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 19:55:26,406 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:26,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:26,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:26,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691398324] [2021-03-24 19:55:26,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:26,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 19:55:26,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534305382] [2021-03-24 19:55:26,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 19:55:26,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:26,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 19:55:26,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-24 19:55:26,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 161 [2021-03-24 19:55:26,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 39 transitions, 158 flow. Second operand has 8 states, 8 states have (on average 118.375) internal successors, (947), 8 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:26,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:26,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 161 [2021-03-24 19:55:26,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:26,594 INFO L129 PetriNetUnfolder]: 194/411 cut-off events. [2021-03-24 19:55:26,594 INFO L130 PetriNetUnfolder]: For 294/353 co-relation queries the response was YES. [2021-03-24 19:55:26,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1333 conditions, 411 events. 194/411 cut-off events. For 294/353 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1961 event pairs, 44 based on Foata normal form. 15/416 useless extension candidates. Maximal degree in co-relation 1305. Up to 284 conditions per place. [2021-03-24 19:55:26,596 INFO L132 encePairwiseOnDemand]: 148/161 looper letters, 20 selfloop transitions, 15 changer transitions 8/60 dead transitions. [2021-03-24 19:55:26,596 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 60 transitions, 352 flow [2021-03-24 19:55:26,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 19:55:26,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 19:55:26,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1327 transitions. [2021-03-24 19:55:26,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7492941840767928 [2021-03-24 19:55:26,599 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1327 transitions. [2021-03-24 19:55:26,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1327 transitions. [2021-03-24 19:55:26,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:26,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1327 transitions. [2021-03-24 19:55:26,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 120.63636363636364) internal successors, (1327), 11 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:26,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:26,603 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:26,603 INFO L185 Difference]: Start difference. First operand has 53 places, 39 transitions, 158 flow. Second operand 11 states and 1327 transitions. [2021-03-24 19:55:26,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 60 transitions, 352 flow [2021-03-24 19:55:26,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 60 transitions, 343 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-24 19:55:26,608 INFO L241 Difference]: Finished difference. Result has 61 places, 47 transitions, 257 flow [2021-03-24 19:55:26,608 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=257, PETRI_PLACES=61, PETRI_TRANSITIONS=47} [2021-03-24 19:55:26,608 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 12 predicate places. [2021-03-24 19:55:26,608 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 47 transitions, 257 flow [2021-03-24 19:55:26,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 118.375) internal successors, (947), 8 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:26,609 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:26,609 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:26,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 19:55:26,609 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:26,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:26,609 INFO L82 PathProgramCache]: Analyzing trace with hash -352982084, now seen corresponding path program 3 times [2021-03-24 19:55:26,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:26,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372263655] [2021-03-24 19:55:26,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:26,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:26,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:26,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:55:26,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:26,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:55:26,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:55:26,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:26,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 19:55:26,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 19:55:26,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:26,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 19:55:26,764 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:26,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:26,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372263655] [2021-03-24 19:55:26,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:26,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 19:55:26,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119366213] [2021-03-24 19:55:26,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 19:55:26,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:26,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 19:55:26,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-03-24 19:55:26,771 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 161 [2021-03-24 19:55:26,772 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 47 transitions, 257 flow. Second operand has 11 states, 11 states have (on average 118.0) internal successors, (1298), 11 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:26,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:26,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 161 [2021-03-24 19:55:26,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:27,033 INFO L129 PetriNetUnfolder]: 203/421 cut-off events. [2021-03-24 19:55:27,033 INFO L130 PetriNetUnfolder]: For 862/1023 co-relation queries the response was YES. [2021-03-24 19:55:27,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1761 conditions, 421 events. 203/421 cut-off events. For 862/1023 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2000 event pairs, 15 based on Foata normal form. 40/453 useless extension candidates. Maximal degree in co-relation 1727. Up to 264 conditions per place. [2021-03-24 19:55:27,036 INFO L132 encePairwiseOnDemand]: 147/161 looper letters, 22 selfloop transitions, 27 changer transitions 8/74 dead transitions. [2021-03-24 19:55:27,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 74 transitions, 580 flow [2021-03-24 19:55:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 19:55:27,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 19:55:27,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1331 transitions. [2021-03-24 19:55:27,038 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7515527950310559 [2021-03-24 19:55:27,038 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1331 transitions. [2021-03-24 19:55:27,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1331 transitions. [2021-03-24 19:55:27,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:27,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1331 transitions. [2021-03-24 19:55:27,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 121.0) internal successors, (1331), 11 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,044 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,044 INFO L185 Difference]: Start difference. First operand has 61 places, 47 transitions, 257 flow. Second operand 11 states and 1331 transitions. [2021-03-24 19:55:27,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 74 transitions, 580 flow [2021-03-24 19:55:27,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 74 transitions, 499 flow, removed 29 selfloop flow, removed 6 redundant places. [2021-03-24 19:55:27,048 INFO L241 Difference]: Finished difference. Result has 67 places, 60 transitions, 397 flow [2021-03-24 19:55:27,048 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=397, PETRI_PLACES=67, PETRI_TRANSITIONS=60} [2021-03-24 19:55:27,048 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 18 predicate places. [2021-03-24 19:55:27,048 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 60 transitions, 397 flow [2021-03-24 19:55:27,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 118.0) internal successors, (1298), 11 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,049 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:27,049 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:27,049 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 19:55:27,049 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:27,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:27,049 INFO L82 PathProgramCache]: Analyzing trace with hash -2061007028, now seen corresponding path program 1 times [2021-03-24 19:55:27,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:27,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453855835] [2021-03-24 19:55:27,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:27,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:27,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:27,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:27,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:27,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453855835] [2021-03-24 19:55:27,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:27,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:55:27,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695008235] [2021-03-24 19:55:27,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:55:27,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:27,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:55:27,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:55:27,117 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 161 [2021-03-24 19:55:27,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 60 transitions, 397 flow. Second operand has 4 states, 4 states have (on average 136.75) internal successors, (547), 4 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:27,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 161 [2021-03-24 19:55:27,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:27,172 INFO L129 PetriNetUnfolder]: 164/392 cut-off events. [2021-03-24 19:55:27,172 INFO L130 PetriNetUnfolder]: For 1070/1219 co-relation queries the response was YES. [2021-03-24 19:55:27,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1416 conditions, 392 events. 164/392 cut-off events. For 1070/1219 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2068 event pairs, 49 based on Foata normal form. 45/413 useless extension candidates. Maximal degree in co-relation 1381. Up to 150 conditions per place. [2021-03-24 19:55:27,175 INFO L132 encePairwiseOnDemand]: 155/161 looper letters, 8 selfloop transitions, 8 changer transitions 0/68 dead transitions. [2021-03-24 19:55:27,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 68 transitions, 431 flow [2021-03-24 19:55:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:55:27,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:55:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 698 transitions. [2021-03-24 19:55:27,177 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.867080745341615 [2021-03-24 19:55:27,177 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 698 transitions. [2021-03-24 19:55:27,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 698 transitions. [2021-03-24 19:55:27,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:27,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 698 transitions. [2021-03-24 19:55:27,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 139.6) internal successors, (698), 5 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,180 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,180 INFO L185 Difference]: Start difference. First operand has 67 places, 60 transitions, 397 flow. Second operand 5 states and 698 transitions. [2021-03-24 19:55:27,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 68 transitions, 431 flow [2021-03-24 19:55:27,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 68 transitions, 406 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-03-24 19:55:27,184 INFO L241 Difference]: Finished difference. Result has 65 places, 65 transitions, 414 flow [2021-03-24 19:55:27,184 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=414, PETRI_PLACES=65, PETRI_TRANSITIONS=65} [2021-03-24 19:55:27,184 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 16 predicate places. [2021-03-24 19:55:27,184 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 65 transitions, 414 flow [2021-03-24 19:55:27,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 136.75) internal successors, (547), 4 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,184 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:27,184 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:27,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 19:55:27,184 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:27,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:27,185 INFO L82 PathProgramCache]: Analyzing trace with hash 779546072, now seen corresponding path program 1 times [2021-03-24 19:55:27,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:27,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044913022] [2021-03-24 19:55:27,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:27,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:27,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:27,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:55:27,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:27,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:55:27,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:55:27,304 INFO L142 QuantifierPusher]: treesize reduction 26, result has 71.1 percent of original size [2021-03-24 19:55:27,307 INFO L147 QuantifierPusher]: treesize reduction 9, result has 85.9 percent of original size 55 [2021-03-24 19:55:27,331 INFO L142 QuantifierPusher]: treesize reduction 26, result has 72.0 percent of original size [2021-03-24 19:55:27,333 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.6 percent of original size 58 [2021-03-24 19:55:27,364 INFO L142 QuantifierPusher]: treesize reduction 23, result has 82.0 percent of original size [2021-03-24 19:55:27,366 INFO L147 QuantifierPusher]: treesize reduction 9, result has 91.4 percent of original size 96 [2021-03-24 19:55:27,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 19:55:27,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 19:55:27,418 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:27,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:27,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:27,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044913022] [2021-03-24 19:55:27,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:27,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 19:55:27,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336975548] [2021-03-24 19:55:27,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 19:55:27,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:27,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 19:55:27,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-03-24 19:55:27,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 161 [2021-03-24 19:55:27,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 65 transitions, 414 flow. Second operand has 12 states, 12 states have (on average 113.08333333333333) internal successors, (1357), 12 states have internal predecessors, (1357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:27,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 161 [2021-03-24 19:55:27,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:27,655 INFO L129 PetriNetUnfolder]: 232/508 cut-off events. [2021-03-24 19:55:27,655 INFO L130 PetriNetUnfolder]: For 1783/2199 co-relation queries the response was YES. [2021-03-24 19:55:27,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2257 conditions, 508 events. 232/508 cut-off events. For 1783/2199 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2674 event pairs, 69 based on Foata normal form. 65/538 useless extension candidates. Maximal degree in co-relation 2219. Up to 307 conditions per place. [2021-03-24 19:55:27,658 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 34 selfloop transitions, 20 changer transitions 6/83 dead transitions. [2021-03-24 19:55:27,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 83 transitions, 688 flow [2021-03-24 19:55:27,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:55:27,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:55:27,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1156 transitions. [2021-03-24 19:55:27,661 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7180124223602484 [2021-03-24 19:55:27,661 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1156 transitions. [2021-03-24 19:55:27,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1156 transitions. [2021-03-24 19:55:27,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:27,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1156 transitions. [2021-03-24 19:55:27,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 115.6) internal successors, (1156), 10 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,665 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,665 INFO L185 Difference]: Start difference. First operand has 65 places, 65 transitions, 414 flow. Second operand 10 states and 1156 transitions. [2021-03-24 19:55:27,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 83 transitions, 688 flow [2021-03-24 19:55:27,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 83 transitions, 684 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-24 19:55:27,669 INFO L241 Difference]: Finished difference. Result has 77 places, 73 transitions, 557 flow [2021-03-24 19:55:27,669 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=557, PETRI_PLACES=77, PETRI_TRANSITIONS=73} [2021-03-24 19:55:27,669 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 28 predicate places. [2021-03-24 19:55:27,669 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 73 transitions, 557 flow [2021-03-24 19:55:27,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 113.08333333333333) internal successors, (1357), 12 states have internal predecessors, (1357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:27,669 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:27,669 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 19:55:27,670 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:27,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:27,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1770655318, now seen corresponding path program 1 times [2021-03-24 19:55:27,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:27,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978291345] [2021-03-24 19:55:27,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:27,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:27,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:27,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:27,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:27,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:27,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978291345] [2021-03-24 19:55:27,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:27,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 19:55:27,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007824887] [2021-03-24 19:55:27,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:55:27,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:27,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:55:27,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:55:27,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 161 [2021-03-24 19:55:27,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 73 transitions, 557 flow. Second operand has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:27,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 161 [2021-03-24 19:55:27,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:27,825 INFO L129 PetriNetUnfolder]: 104/296 cut-off events. [2021-03-24 19:55:27,825 INFO L130 PetriNetUnfolder]: For 1206/1657 co-relation queries the response was YES. [2021-03-24 19:55:27,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1296 conditions, 296 events. 104/296 cut-off events. For 1206/1657 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1542 event pairs, 13 based on Foata normal form. 141/421 useless extension candidates. Maximal degree in co-relation 1254. Up to 111 conditions per place. [2021-03-24 19:55:27,827 INFO L132 encePairwiseOnDemand]: 155/161 looper letters, 5 selfloop transitions, 15 changer transitions 3/79 dead transitions. [2021-03-24 19:55:27,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 79 transitions, 619 flow [2021-03-24 19:55:27,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:55:27,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:55:27,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 977 transitions. [2021-03-24 19:55:27,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8669032830523514 [2021-03-24 19:55:27,829 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 977 transitions. [2021-03-24 19:55:27,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 977 transitions. [2021-03-24 19:55:27,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:27,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 977 transitions. [2021-03-24 19:55:27,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 139.57142857142858) internal successors, (977), 7 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,832 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,832 INFO L185 Difference]: Start difference. First operand has 77 places, 73 transitions, 557 flow. Second operand 7 states and 977 transitions. [2021-03-24 19:55:27,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 79 transitions, 619 flow [2021-03-24 19:55:27,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 79 transitions, 583 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-03-24 19:55:27,836 INFO L241 Difference]: Finished difference. Result has 76 places, 76 transitions, 578 flow [2021-03-24 19:55:27,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=578, PETRI_PLACES=76, PETRI_TRANSITIONS=76} [2021-03-24 19:55:27,837 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 27 predicate places. [2021-03-24 19:55:27,837 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 76 transitions, 578 flow [2021-03-24 19:55:27,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:27,837 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:27,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 19:55:27,837 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:27,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:27,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1180067048, now seen corresponding path program 1 times [2021-03-24 19:55:27,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:27,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512395820] [2021-03-24 19:55:27,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:27,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:27,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:27,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:27,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:27,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:27,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:27,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:27,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512395820] [2021-03-24 19:55:27,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:27,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 19:55:27,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820474445] [2021-03-24 19:55:27,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 19:55:27,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:27,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 19:55:27,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-24 19:55:27,931 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 161 [2021-03-24 19:55:27,932 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 76 transitions, 578 flow. Second operand has 6 states, 6 states have (on average 136.83333333333334) internal successors, (821), 6 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:27,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:27,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 161 [2021-03-24 19:55:27,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:28,004 INFO L129 PetriNetUnfolder]: 86/256 cut-off events. [2021-03-24 19:55:28,004 INFO L130 PetriNetUnfolder]: For 1291/1932 co-relation queries the response was YES. [2021-03-24 19:55:28,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1224 conditions, 256 events. 86/256 cut-off events. For 1291/1932 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1310 event pairs, 6 based on Foata normal form. 123/367 useless extension candidates. Maximal degree in co-relation 1184. Up to 101 conditions per place. [2021-03-24 19:55:28,006 INFO L132 encePairwiseOnDemand]: 155/161 looper letters, 2 selfloop transitions, 19 changer transitions 3/80 dead transitions. [2021-03-24 19:55:28,006 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 80 transitions, 656 flow [2021-03-24 19:55:28,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:55:28,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:55:28,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1250 transitions. [2021-03-24 19:55:28,008 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.862663906142167 [2021-03-24 19:55:28,008 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1250 transitions. [2021-03-24 19:55:28,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1250 transitions. [2021-03-24 19:55:28,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:28,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1250 transitions. [2021-03-24 19:55:28,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 138.88888888888889) internal successors, (1250), 9 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:28,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:28,012 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:28,012 INFO L185 Difference]: Start difference. First operand has 76 places, 76 transitions, 578 flow. Second operand 9 states and 1250 transitions. [2021-03-24 19:55:28,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 80 transitions, 656 flow [2021-03-24 19:55:28,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 80 transitions, 601 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-03-24 19:55:28,016 INFO L241 Difference]: Finished difference. Result has 83 places, 77 transitions, 584 flow [2021-03-24 19:55:28,016 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=584, PETRI_PLACES=83, PETRI_TRANSITIONS=77} [2021-03-24 19:55:28,016 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 34 predicate places. [2021-03-24 19:55:28,016 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 77 transitions, 584 flow [2021-03-24 19:55:28,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 136.83333333333334) internal successors, (821), 6 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:28,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:28,017 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:28,017 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 19:55:28,017 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:28,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:28,017 INFO L82 PathProgramCache]: Analyzing trace with hash 849107834, now seen corresponding path program 1 times [2021-03-24 19:55:28,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:28,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024799909] [2021-03-24 19:55:28,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:28,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:28,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:28,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:28,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:28,085 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.5 percent of original size [2021-03-24 19:55:28,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 19:55:28,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:28,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:28,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:28,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:28,114 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:28,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:28,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024799909] [2021-03-24 19:55:28,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:28,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 19:55:28,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677847096] [2021-03-24 19:55:28,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 19:55:28,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:28,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 19:55:28,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 19:55:28,121 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 161 [2021-03-24 19:55:28,122 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 77 transitions, 584 flow. Second operand has 7 states, 7 states have (on average 118.14285714285714) internal successors, (827), 7 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:28,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:28,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 161 [2021-03-24 19:55:28,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:28,312 INFO L129 PetriNetUnfolder]: 165/530 cut-off events. [2021-03-24 19:55:28,312 INFO L130 PetriNetUnfolder]: For 4821/5466 co-relation queries the response was YES. [2021-03-24 19:55:28,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2451 conditions, 530 events. 165/530 cut-off events. For 4821/5466 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 3880 event pairs, 1 based on Foata normal form. 128/634 useless extension candidates. Maximal degree in co-relation 2406. Up to 135 conditions per place. [2021-03-24 19:55:28,316 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 38 selfloop transitions, 21 changer transitions 17/108 dead transitions. [2021-03-24 19:55:28,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 108 transitions, 1014 flow [2021-03-24 19:55:28,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 19:55:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 19:55:28,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 970 transitions. [2021-03-24 19:55:28,318 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7531055900621118 [2021-03-24 19:55:28,318 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 970 transitions. [2021-03-24 19:55:28,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 970 transitions. [2021-03-24 19:55:28,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:28,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 970 transitions. [2021-03-24 19:55:28,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 121.25) internal successors, (970), 8 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:28,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:28,321 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:28,321 INFO L185 Difference]: Start difference. First operand has 83 places, 77 transitions, 584 flow. Second operand 8 states and 970 transitions. [2021-03-24 19:55:28,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 108 transitions, 1014 flow [2021-03-24 19:55:28,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 108 transitions, 914 flow, removed 33 selfloop flow, removed 9 redundant places. [2021-03-24 19:55:28,329 INFO L241 Difference]: Finished difference. Result has 85 places, 87 transitions, 695 flow [2021-03-24 19:55:28,329 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=695, PETRI_PLACES=85, PETRI_TRANSITIONS=87} [2021-03-24 19:55:28,329 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 36 predicate places. [2021-03-24 19:55:28,330 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 87 transitions, 695 flow [2021-03-24 19:55:28,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 118.14285714285714) internal successors, (827), 7 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:28,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:28,330 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:28,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 19:55:28,330 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:28,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:28,331 INFO L82 PathProgramCache]: Analyzing trace with hash -649813008, now seen corresponding path program 2 times [2021-03-24 19:55:28,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:28,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025874071] [2021-03-24 19:55:28,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:28,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:28,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:28,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:28,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:55:28,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:28,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:28,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:28,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:55:28,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:28,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 19:55:28,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:28,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 19:55:28,475 INFO L142 QuantifierPusher]: treesize reduction 23, result has 78.9 percent of original size [2021-03-24 19:55:28,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-24 19:55:28,503 INFO L142 QuantifierPusher]: treesize reduction 41, result has 68.9 percent of original size [2021-03-24 19:55:28,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-24 19:55:28,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:28,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 19:55:28,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:28,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 19:55:28,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:28,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 19:55:28,581 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:28,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:28,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:28,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025874071] [2021-03-24 19:55:28,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:28,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 19:55:28,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389220055] [2021-03-24 19:55:28,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 19:55:28,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:28,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 19:55:28,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-03-24 19:55:28,593 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 161 [2021-03-24 19:55:28,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 87 transitions, 695 flow. Second operand has 13 states, 13 states have (on average 109.3076923076923) internal successors, (1421), 13 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:28,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:28,594 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 161 [2021-03-24 19:55:28,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:29,055 INFO L129 PetriNetUnfolder]: 183/597 cut-off events. [2021-03-24 19:55:29,055 INFO L130 PetriNetUnfolder]: For 4430/4992 co-relation queries the response was YES. [2021-03-24 19:55:29,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2531 conditions, 597 events. 183/597 cut-off events. For 4430/4992 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 4630 event pairs, 2 based on Foata normal form. 157/730 useless extension candidates. Maximal degree in co-relation 2506. Up to 146 conditions per place. [2021-03-24 19:55:29,060 INFO L132 encePairwiseOnDemand]: 147/161 looper letters, 34 selfloop transitions, 46 changer transitions 15/125 dead transitions. [2021-03-24 19:55:29,060 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 125 transitions, 1278 flow [2021-03-24 19:55:29,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 19:55:29,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 19:55:29,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1674 transitions. [2021-03-24 19:55:29,063 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6931677018633541 [2021-03-24 19:55:29,063 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1674 transitions. [2021-03-24 19:55:29,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1674 transitions. [2021-03-24 19:55:29,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:29,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1674 transitions. [2021-03-24 19:55:29,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 111.6) internal successors, (1674), 15 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:29,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 161.0) internal successors, (2576), 16 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:29,081 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 161.0) internal successors, (2576), 16 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:29,081 INFO L185 Difference]: Start difference. First operand has 85 places, 87 transitions, 695 flow. Second operand 15 states and 1674 transitions. [2021-03-24 19:55:29,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 125 transitions, 1278 flow [2021-03-24 19:55:29,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 125 transitions, 1235 flow, removed 21 selfloop flow, removed 4 redundant places. [2021-03-24 19:55:29,090 INFO L241 Difference]: Finished difference. Result has 97 places, 100 transitions, 975 flow [2021-03-24 19:55:29,090 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=975, PETRI_PLACES=97, PETRI_TRANSITIONS=100} [2021-03-24 19:55:29,090 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 48 predicate places. [2021-03-24 19:55:29,090 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 100 transitions, 975 flow [2021-03-24 19:55:29,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 109.3076923076923) internal successors, (1421), 13 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:29,090 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:29,090 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:29,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 19:55:29,091 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:29,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:29,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1731087006, now seen corresponding path program 3 times [2021-03-24 19:55:29,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:29,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253422755] [2021-03-24 19:55:29,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:29,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:29,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:29,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:29,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:29,166 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-24 19:55:29,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:55:29,177 INFO L142 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size [2021-03-24 19:55:29,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 19:55:29,196 INFO L142 QuantifierPusher]: treesize reduction 49, result has 62.9 percent of original size [2021-03-24 19:55:29,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 19:55:29,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:29,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:29,237 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:29,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:29,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253422755] [2021-03-24 19:55:29,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:29,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 19:55:29,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129843808] [2021-03-24 19:55:29,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 19:55:29,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:29,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 19:55:29,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 19:55:29,246 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 161 [2021-03-24 19:55:29,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 100 transitions, 975 flow. Second operand has 8 states, 8 states have (on average 115.0) internal successors, (920), 8 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:29,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:29,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 161 [2021-03-24 19:55:29,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:29,587 INFO L129 PetriNetUnfolder]: 180/580 cut-off events. [2021-03-24 19:55:29,587 INFO L130 PetriNetUnfolder]: For 4489/5157 co-relation queries the response was YES. [2021-03-24 19:55:29,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2654 conditions, 580 events. 180/580 cut-off events. For 4489/5157 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 4352 event pairs, 0 based on Foata normal form. 144/697 useless extension candidates. Maximal degree in co-relation 2627. Up to 150 conditions per place. [2021-03-24 19:55:29,592 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 59 selfloop transitions, 40 changer transitions 18/148 dead transitions. [2021-03-24 19:55:29,592 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 148 transitions, 1750 flow [2021-03-24 19:55:29,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:55:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:55:29,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1064 transitions. [2021-03-24 19:55:29,594 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7342995169082126 [2021-03-24 19:55:29,594 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1064 transitions. [2021-03-24 19:55:29,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1064 transitions. [2021-03-24 19:55:29,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:29,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1064 transitions. [2021-03-24 19:55:29,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 118.22222222222223) internal successors, (1064), 9 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:29,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:29,597 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:29,597 INFO L185 Difference]: Start difference. First operand has 97 places, 100 transitions, 975 flow. Second operand 9 states and 1064 transitions. [2021-03-24 19:55:29,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 148 transitions, 1750 flow [2021-03-24 19:55:29,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 148 transitions, 1649 flow, removed 33 selfloop flow, removed 9 redundant places. [2021-03-24 19:55:29,607 INFO L241 Difference]: Finished difference. Result has 100 places, 120 transitions, 1308 flow [2021-03-24 19:55:29,608 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1308, PETRI_PLACES=100, PETRI_TRANSITIONS=120} [2021-03-24 19:55:29,608 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 51 predicate places. [2021-03-24 19:55:29,608 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 120 transitions, 1308 flow [2021-03-24 19:55:29,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 115.0) internal successors, (920), 8 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:29,608 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:29,608 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:29,608 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-24 19:55:29,608 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:29,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:29,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1000813088, now seen corresponding path program 4 times [2021-03-24 19:55:29,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:29,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488233159] [2021-03-24 19:55:29,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:29,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:29,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:29,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:29,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:29,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:29,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:55:29,689 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-03-24 19:55:29,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 19:55:29,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:29,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:29,697 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-03-24 19:55:29,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 19:55:29,719 INFO L142 QuantifierPusher]: treesize reduction 26, result has 60.6 percent of original size [2021-03-24 19:55:29,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-24 19:55:29,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:29,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:29,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:29,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:29,756 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:29,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:29,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:29,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488233159] [2021-03-24 19:55:29,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:29,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 19:55:29,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573211814] [2021-03-24 19:55:29,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 19:55:29,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:29,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 19:55:29,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-24 19:55:29,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 161 [2021-03-24 19:55:29,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 120 transitions, 1308 flow. Second operand has 9 states, 9 states have (on average 114.77777777777777) internal successors, (1033), 9 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:29,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:29,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 161 [2021-03-24 19:55:29,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:30,064 INFO L129 PetriNetUnfolder]: 241/791 cut-off events. [2021-03-24 19:55:30,064 INFO L130 PetriNetUnfolder]: For 4705/5363 co-relation queries the response was YES. [2021-03-24 19:55:30,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3587 conditions, 791 events. 241/791 cut-off events. For 4705/5363 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 6550 event pairs, 1 based on Foata normal form. 160/905 useless extension candidates. Maximal degree in co-relation 3551. Up to 220 conditions per place. [2021-03-24 19:55:30,070 INFO L132 encePairwiseOnDemand]: 151/161 looper letters, 93 selfloop transitions, 20 changer transitions 19/163 dead transitions. [2021-03-24 19:55:30,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 163 transitions, 2022 flow [2021-03-24 19:55:30,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 19:55:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 19:55:30,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 948 transitions. [2021-03-24 19:55:30,072 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7360248447204969 [2021-03-24 19:55:30,072 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 948 transitions. [2021-03-24 19:55:30,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 948 transitions. [2021-03-24 19:55:30,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:30,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 948 transitions. [2021-03-24 19:55:30,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 118.5) internal successors, (948), 8 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:30,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:30,075 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:30,075 INFO L185 Difference]: Start difference. First operand has 100 places, 120 transitions, 1308 flow. Second operand 8 states and 948 transitions. [2021-03-24 19:55:30,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 163 transitions, 2022 flow [2021-03-24 19:55:30,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 163 transitions, 1984 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-24 19:55:30,090 INFO L241 Difference]: Finished difference. Result has 104 places, 113 transitions, 1240 flow [2021-03-24 19:55:30,091 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1288, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1240, PETRI_PLACES=104, PETRI_TRANSITIONS=113} [2021-03-24 19:55:30,091 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 55 predicate places. [2021-03-24 19:55:30,091 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 113 transitions, 1240 flow [2021-03-24 19:55:30,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 114.77777777777777) internal successors, (1033), 9 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:30,091 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:30,091 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:30,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-24 19:55:30,091 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:30,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:30,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1783070454, now seen corresponding path program 5 times [2021-03-24 19:55:30,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:30,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138369542] [2021-03-24 19:55:30,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:30,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:30,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:55:30,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:30,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:55:30,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:55:30,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:55:30,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 19:55:30,220 INFO L142 QuantifierPusher]: treesize reduction 29, result has 70.1 percent of original size [2021-03-24 19:55:30,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 19:55:30,250 INFO L142 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size [2021-03-24 19:55:30,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 19:55:30,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 19:55:30,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 19:55:30,307 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:30,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:30,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:30,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138369542] [2021-03-24 19:55:30,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:30,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 19:55:30,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082503019] [2021-03-24 19:55:30,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 19:55:30,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:30,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 19:55:30,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-03-24 19:55:30,320 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 161 [2021-03-24 19:55:30,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 113 transitions, 1240 flow. Second operand has 13 states, 13 states have (on average 109.3076923076923) internal successors, (1421), 13 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:30,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:30,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 161 [2021-03-24 19:55:30,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:30,731 INFO L129 PetriNetUnfolder]: 261/854 cut-off events. [2021-03-24 19:55:30,732 INFO L130 PetriNetUnfolder]: For 4855/5320 co-relation queries the response was YES. [2021-03-24 19:55:30,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3801 conditions, 854 events. 261/854 cut-off events. For 4855/5320 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 7268 event pairs, 1 based on Foata normal form. 137/939 useless extension candidates. Maximal degree in co-relation 3763. Up to 250 conditions per place. [2021-03-24 19:55:30,738 INFO L132 encePairwiseOnDemand]: 149/161 looper letters, 77 selfloop transitions, 26 changer transitions 10/143 dead transitions. [2021-03-24 19:55:30,738 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 143 transitions, 1784 flow [2021-03-24 19:55:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 19:55:30,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 19:55:30,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1447 transitions. [2021-03-24 19:55:30,741 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6913521261347348 [2021-03-24 19:55:30,741 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1447 transitions. [2021-03-24 19:55:30,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1447 transitions. [2021-03-24 19:55:30,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:30,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1447 transitions. [2021-03-24 19:55:30,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 111.3076923076923) internal successors, (1447), 13 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:30,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 161.0) internal successors, (2254), 14 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:30,745 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 161.0) internal successors, (2254), 14 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:30,745 INFO L185 Difference]: Start difference. First operand has 104 places, 113 transitions, 1240 flow. Second operand 13 states and 1447 transitions. [2021-03-24 19:55:30,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 143 transitions, 1784 flow [2021-03-24 19:55:30,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 143 transitions, 1704 flow, removed 18 selfloop flow, removed 7 redundant places. [2021-03-24 19:55:30,760 INFO L241 Difference]: Finished difference. Result has 110 places, 110 transitions, 1213 flow [2021-03-24 19:55:30,761 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1176, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1213, PETRI_PLACES=110, PETRI_TRANSITIONS=110} [2021-03-24 19:55:30,761 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 61 predicate places. [2021-03-24 19:55:30,761 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 110 transitions, 1213 flow [2021-03-24 19:55:30,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 109.3076923076923) internal successors, (1421), 13 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:30,761 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:30,761 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:30,761 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-24 19:55:30,761 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:30,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:30,762 INFO L82 PathProgramCache]: Analyzing trace with hash 284747854, now seen corresponding path program 6 times [2021-03-24 19:55:30,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:30,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121037342] [2021-03-24 19:55:30,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:30,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:30,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:55:30,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:30,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:55:30,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:55:30,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:30,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:30,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:30,842 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:30,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:30,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121037342] [2021-03-24 19:55:30,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:30,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 19:55:30,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004120078] [2021-03-24 19:55:30,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 19:55:30,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:30,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 19:55:30,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-24 19:55:30,849 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 161 [2021-03-24 19:55:30,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 110 transitions, 1213 flow. Second operand has 9 states, 9 states have (on average 118.66666666666667) internal successors, (1068), 9 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:30,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:30,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 161 [2021-03-24 19:55:30,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:31,062 INFO L129 PetriNetUnfolder]: 249/819 cut-off events. [2021-03-24 19:55:31,062 INFO L130 PetriNetUnfolder]: For 5775/6147 co-relation queries the response was YES. [2021-03-24 19:55:31,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3680 conditions, 819 events. 249/819 cut-off events. For 5775/6147 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 6960 event pairs, 2 based on Foata normal form. 119/892 useless extension candidates. Maximal degree in co-relation 3643. Up to 235 conditions per place. [2021-03-24 19:55:31,067 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 53 selfloop transitions, 19 changer transitions 32/136 dead transitions. [2021-03-24 19:55:31,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 136 transitions, 1727 flow [2021-03-24 19:55:31,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:55:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:55:31,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1206 transitions. [2021-03-24 19:55:31,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7490683229813665 [2021-03-24 19:55:31,069 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1206 transitions. [2021-03-24 19:55:31,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1206 transitions. [2021-03-24 19:55:31,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:31,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1206 transitions. [2021-03-24 19:55:31,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 120.6) internal successors, (1206), 10 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:31,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:31,072 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:31,072 INFO L185 Difference]: Start difference. First operand has 110 places, 110 transitions, 1213 flow. Second operand 10 states and 1206 transitions. [2021-03-24 19:55:31,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 136 transitions, 1727 flow [2021-03-24 19:55:31,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 136 transitions, 1633 flow, removed 27 selfloop flow, removed 11 redundant places. [2021-03-24 19:55:31,086 INFO L241 Difference]: Finished difference. Result has 110 places, 104 transitions, 1087 flow [2021-03-24 19:55:31,086 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1139, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1087, PETRI_PLACES=110, PETRI_TRANSITIONS=104} [2021-03-24 19:55:31,086 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 61 predicate places. [2021-03-24 19:55:31,086 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 104 transitions, 1087 flow [2021-03-24 19:55:31,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 118.66666666666667) internal successors, (1068), 9 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:31,086 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:31,087 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:31,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-24 19:55:31,087 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:31,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:31,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1361997460, now seen corresponding path program 7 times [2021-03-24 19:55:31,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:31,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874280783] [2021-03-24 19:55:31,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:31,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:31,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:31,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:31,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:55:31,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:31,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:31,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:31,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 19:55:31,168 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-24 19:55:31,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:55:31,178 INFO L142 QuantifierPusher]: treesize reduction 17, result has 32.0 percent of original size [2021-03-24 19:55:31,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 19:55:31,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:31,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:31,188 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:31,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:31,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:31,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874280783] [2021-03-24 19:55:31,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:31,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 19:55:31,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882290097] [2021-03-24 19:55:31,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 19:55:31,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:31,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 19:55:31,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-24 19:55:31,197 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2021-03-24 19:55:31,198 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 104 transitions, 1087 flow. Second operand has 9 states, 9 states have (on average 115.77777777777777) internal successors, (1042), 9 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:31,198 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:31,198 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2021-03-24 19:55:31,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:31,417 INFO L129 PetriNetUnfolder]: 161/544 cut-off events. [2021-03-24 19:55:31,417 INFO L130 PetriNetUnfolder]: For 3504/3808 co-relation queries the response was YES. [2021-03-24 19:55:31,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2461 conditions, 544 events. 161/544 cut-off events. For 3504/3808 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 4079 event pairs, 0 based on Foata normal form. 84/599 useless extension candidates. Maximal degree in co-relation 2425. Up to 145 conditions per place. [2021-03-24 19:55:31,420 INFO L132 encePairwiseOnDemand]: 152/161 looper letters, 45 selfloop transitions, 14 changer transitions 32/122 dead transitions. [2021-03-24 19:55:31,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 122 transitions, 1436 flow [2021-03-24 19:55:31,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 19:55:31,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 19:55:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 947 transitions. [2021-03-24 19:55:31,422 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.735248447204969 [2021-03-24 19:55:31,422 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 947 transitions. [2021-03-24 19:55:31,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 947 transitions. [2021-03-24 19:55:31,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:31,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 947 transitions. [2021-03-24 19:55:31,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 118.375) internal successors, (947), 8 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:31,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:31,424 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:31,424 INFO L185 Difference]: Start difference. First operand has 110 places, 104 transitions, 1087 flow. Second operand 8 states and 947 transitions. [2021-03-24 19:55:31,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 122 transitions, 1436 flow [2021-03-24 19:55:31,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 122 transitions, 1376 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-03-24 19:55:31,433 INFO L241 Difference]: Finished difference. Result has 108 places, 90 transitions, 887 flow [2021-03-24 19:55:31,433 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1033, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=887, PETRI_PLACES=108, PETRI_TRANSITIONS=90} [2021-03-24 19:55:31,433 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 59 predicate places. [2021-03-24 19:55:31,434 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 90 transitions, 887 flow [2021-03-24 19:55:31,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 115.77777777777777) internal successors, (1042), 9 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:31,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:31,434 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:31,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-24 19:55:31,434 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:31,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:31,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1958190906, now seen corresponding path program 8 times [2021-03-24 19:55:31,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:31,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863168661] [2021-03-24 19:55:31,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:31,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:31,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:31,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:31,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:31,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:31,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:55:31,529 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.8 percent of original size [2021-03-24 19:55:31,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-24 19:55:31,550 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.5 percent of original size [2021-03-24 19:55:31,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 19:55:31,594 INFO L142 QuantifierPusher]: treesize reduction 105, result has 42.6 percent of original size [2021-03-24 19:55:31,595 INFO L147 QuantifierPusher]: treesize reduction 9, result has 88.5 percent of original size 69 [2021-03-24 19:55:31,643 INFO L142 QuantifierPusher]: treesize reduction 37, result has 61.5 percent of original size [2021-03-24 19:55:31,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 19:55:31,677 INFO L142 QuantifierPusher]: treesize reduction 21, result has 76.4 percent of original size [2021-03-24 19:55:31,679 INFO L147 QuantifierPusher]: treesize reduction 8, result has 88.2 percent of original size 60 [2021-03-24 19:55:31,714 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 19:55:31,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 19:55:31,733 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-03-24 19:55:31,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:31,740 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:31,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:31,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:31,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863168661] [2021-03-24 19:55:31,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:31,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 19:55:31,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541791781] [2021-03-24 19:55:31,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 19:55:31,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:31,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 19:55:31,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-03-24 19:55:31,748 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 161 [2021-03-24 19:55:31,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 90 transitions, 887 flow. Second operand has 12 states, 12 states have (on average 110.41666666666667) internal successors, (1325), 12 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:31,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:31,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 161 [2021-03-24 19:55:31,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:32,063 INFO L129 PetriNetUnfolder]: 224/741 cut-off events. [2021-03-24 19:55:32,063 INFO L130 PetriNetUnfolder]: For 4544/4910 co-relation queries the response was YES. [2021-03-24 19:55:32,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3181 conditions, 741 events. 224/741 cut-off events. For 4544/4910 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 6122 event pairs, 2 based on Foata normal form. 113/805 useless extension candidates. Maximal degree in co-relation 3151. Up to 235 conditions per place. [2021-03-24 19:55:32,067 INFO L132 encePairwiseOnDemand]: 153/161 looper letters, 49 selfloop transitions, 13 changer transitions 49/141 dead transitions. [2021-03-24 19:55:32,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 141 transitions, 1665 flow [2021-03-24 19:55:32,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:55:32,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:55:32,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1136 transitions. [2021-03-24 19:55:32,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7055900621118012 [2021-03-24 19:55:32,069 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1136 transitions. [2021-03-24 19:55:32,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1136 transitions. [2021-03-24 19:55:32,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:32,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1136 transitions. [2021-03-24 19:55:32,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 113.6) internal successors, (1136), 10 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:32,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:32,072 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:32,072 INFO L185 Difference]: Start difference. First operand has 108 places, 90 transitions, 887 flow. Second operand 10 states and 1136 transitions. [2021-03-24 19:55:32,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 141 transitions, 1665 flow [2021-03-24 19:55:32,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 141 transitions, 1448 flow, removed 80 selfloop flow, removed 13 redundant places. [2021-03-24 19:55:32,083 INFO L241 Difference]: Finished difference. Result has 97 places, 75 transitions, 647 flow [2021-03-24 19:55:32,083 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=647, PETRI_PLACES=97, PETRI_TRANSITIONS=75} [2021-03-24 19:55:32,084 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 48 predicate places. [2021-03-24 19:55:32,084 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 75 transitions, 647 flow [2021-03-24 19:55:32,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 110.41666666666667) internal successors, (1325), 12 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:32,084 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:32,084 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:32,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-24 19:55:32,084 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:32,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:32,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1956963572, now seen corresponding path program 9 times [2021-03-24 19:55:32,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:32,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57051774] [2021-03-24 19:55:32,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:32,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:32,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:32,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:32,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:55:32,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:32,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:32,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:32,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 19:55:32,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:32,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:55:32,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:32,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 19:55:32,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:32,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 19:55:32,176 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:32,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:32,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:32,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57051774] [2021-03-24 19:55:32,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:32,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 19:55:32,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362708407] [2021-03-24 19:55:32,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 19:55:32,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:32,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 19:55:32,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-24 19:55:32,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 161 [2021-03-24 19:55:32,185 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 75 transitions, 647 flow. Second operand has 9 states, 9 states have (on average 111.88888888888889) internal successors, (1007), 9 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:32,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:32,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 161 [2021-03-24 19:55:32,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:32,480 INFO L129 PetriNetUnfolder]: 151/511 cut-off events. [2021-03-24 19:55:32,480 INFO L130 PetriNetUnfolder]: For 1692/1886 co-relation queries the response was YES. [2021-03-24 19:55:32,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2052 conditions, 511 events. 151/511 cut-off events. For 1692/1886 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 3780 event pairs, 1 based on Foata normal form. 63/536 useless extension candidates. Maximal degree in co-relation 2026. Up to 175 conditions per place. [2021-03-24 19:55:32,483 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 30 selfloop transitions, 19 changer transitions 6/85 dead transitions. [2021-03-24 19:55:32,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 85 transitions, 845 flow [2021-03-24 19:55:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:55:32,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:55:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1134 transitions. [2021-03-24 19:55:32,484 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7043478260869566 [2021-03-24 19:55:32,484 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1134 transitions. [2021-03-24 19:55:32,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1134 transitions. [2021-03-24 19:55:32,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:32,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1134 transitions. [2021-03-24 19:55:32,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 113.4) internal successors, (1134), 10 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:32,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:32,487 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:32,487 INFO L185 Difference]: Start difference. First operand has 97 places, 75 transitions, 647 flow. Second operand 10 states and 1134 transitions. [2021-03-24 19:55:32,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 85 transitions, 845 flow [2021-03-24 19:55:32,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 85 transitions, 756 flow, removed 20 selfloop flow, removed 10 redundant places. [2021-03-24 19:55:32,494 INFO L241 Difference]: Finished difference. Result has 97 places, 75 transitions, 629 flow [2021-03-24 19:55:32,494 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=629, PETRI_PLACES=97, PETRI_TRANSITIONS=75} [2021-03-24 19:55:32,494 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 48 predicate places. [2021-03-24 19:55:32,495 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 75 transitions, 629 flow [2021-03-24 19:55:32,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 111.88888888888889) internal successors, (1007), 9 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:32,495 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:32,495 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:32,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-24 19:55:32,495 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:32,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:32,495 INFO L82 PathProgramCache]: Analyzing trace with hash -2097906706, now seen corresponding path program 10 times [2021-03-24 19:55:32,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:32,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722403123] [2021-03-24 19:55:32,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:32,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:32,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:32,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:32,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:32,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:32,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:55:32,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:32,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:32,569 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-24 19:55:32,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 19:55:32,578 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size [2021-03-24 19:55:32,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 19:55:32,591 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 19:55:32,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 19:55:32,599 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:32,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:32,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722403123] [2021-03-24 19:55:32,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:32,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 19:55:32,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506716516] [2021-03-24 19:55:32,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 19:55:32,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:32,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 19:55:32,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-24 19:55:32,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2021-03-24 19:55:32,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 75 transitions, 629 flow. Second operand has 9 states, 9 states have (on average 115.77777777777777) internal successors, (1042), 9 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:32,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:32,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2021-03-24 19:55:32,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:32,916 INFO L129 PetriNetUnfolder]: 155/523 cut-off events. [2021-03-24 19:55:32,916 INFO L130 PetriNetUnfolder]: For 1813/2014 co-relation queries the response was YES. [2021-03-24 19:55:32,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2076 conditions, 523 events. 155/523 cut-off events. For 1813/2014 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 3858 event pairs, 1 based on Foata normal form. 54/542 useless extension candidates. Maximal degree in co-relation 2051. Up to 180 conditions per place. [2021-03-24 19:55:32,919 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 28 selfloop transitions, 11 changer transitions 17/87 dead transitions. [2021-03-24 19:55:32,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 87 transitions, 848 flow [2021-03-24 19:55:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 19:55:32,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 19:55:32,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1285 transitions. [2021-03-24 19:55:32,920 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7255787690570299 [2021-03-24 19:55:32,920 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1285 transitions. [2021-03-24 19:55:32,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1285 transitions. [2021-03-24 19:55:32,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:32,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1285 transitions. [2021-03-24 19:55:32,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 116.81818181818181) internal successors, (1285), 11 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:32,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:32,923 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:32,923 INFO L185 Difference]: Start difference. First operand has 97 places, 75 transitions, 629 flow. Second operand 11 states and 1285 transitions. [2021-03-24 19:55:32,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 87 transitions, 848 flow [2021-03-24 19:55:32,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 87 transitions, 811 flow, removed 7 selfloop flow, removed 8 redundant places. [2021-03-24 19:55:32,931 INFO L241 Difference]: Finished difference. Result has 101 places, 70 transitions, 571 flow [2021-03-24 19:55:32,931 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=571, PETRI_PLACES=101, PETRI_TRANSITIONS=70} [2021-03-24 19:55:32,931 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 52 predicate places. [2021-03-24 19:55:32,931 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 70 transitions, 571 flow [2021-03-24 19:55:32,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 115.77777777777777) internal successors, (1042), 9 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:32,931 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:32,931 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:32,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-24 19:55:32,932 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:32,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:32,932 INFO L82 PathProgramCache]: Analyzing trace with hash 521162402, now seen corresponding path program 11 times [2021-03-24 19:55:32,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:32,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49632412] [2021-03-24 19:55:32,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:55:33,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:33,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:55:33,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:33,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:55:33,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:33,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:55:33,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:33,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:55:33,013 INFO L142 QuantifierPusher]: treesize reduction 46, result has 44.6 percent of original size [2021-03-24 19:55:33,014 INFO L147 QuantifierPusher]: treesize reduction 8, result has 78.4 percent of original size 29 [2021-03-24 19:55:33,018 INFO L142 QuantifierPusher]: treesize reduction 37, result has 67.0 percent of original size [2021-03-24 19:55:33,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-03-24 19:55:33,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:33,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:33,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:55:33,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:55:33,065 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:55:33,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:55:33,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:55:33,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49632412] [2021-03-24 19:55:33,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:55:33,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 19:55:33,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80288743] [2021-03-24 19:55:33,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 19:55:33,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:55:33,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 19:55:33,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-24 19:55:33,072 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 161 [2021-03-24 19:55:33,072 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 70 transitions, 571 flow. Second operand has 8 states, 8 states have (on average 121.75) internal successors, (974), 8 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:33,072 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:55:33,072 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 161 [2021-03-24 19:55:33,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:55:33,204 INFO L129 PetriNetUnfolder]: 94/331 cut-off events. [2021-03-24 19:55:33,204 INFO L130 PetriNetUnfolder]: For 1185/1325 co-relation queries the response was YES. [2021-03-24 19:55:33,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1344 conditions, 331 events. 94/331 cut-off events. For 1185/1325 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 2122 event pairs, 0 based on Foata normal form. 40/350 useless extension candidates. Maximal degree in co-relation 1319. Up to 105 conditions per place. [2021-03-24 19:55:33,206 INFO L132 encePairwiseOnDemand]: 153/161 looper letters, 23 selfloop transitions, 10 changer transitions 7/73 dead transitions. [2021-03-24 19:55:33,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 73 transitions, 676 flow [2021-03-24 19:55:33,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:55:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:55:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 860 transitions. [2021-03-24 19:55:33,207 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7630878438331854 [2021-03-24 19:55:33,207 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 860 transitions. [2021-03-24 19:55:33,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 860 transitions. [2021-03-24 19:55:33,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:55:33,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 860 transitions. [2021-03-24 19:55:33,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 122.85714285714286) internal successors, (860), 7 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:33,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:33,209 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:33,209 INFO L185 Difference]: Start difference. First operand has 101 places, 70 transitions, 571 flow. Second operand 7 states and 860 transitions. [2021-03-24 19:55:33,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 73 transitions, 676 flow [2021-03-24 19:55:33,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 73 transitions, 625 flow, removed 7 selfloop flow, removed 14 redundant places. [2021-03-24 19:55:33,214 INFO L241 Difference]: Finished difference. Result has 91 places, 66 transitions, 507 flow [2021-03-24 19:55:33,214 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=507, PETRI_PLACES=91, PETRI_TRANSITIONS=66} [2021-03-24 19:55:33,214 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 42 predicate places. [2021-03-24 19:55:33,214 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 66 transitions, 507 flow [2021-03-24 19:55:33,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 121.75) internal successors, (974), 8 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:55:33,215 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:55:33,215 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:55:33,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-24 19:55:33,215 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:55:33,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:55:33,215 INFO L82 PathProgramCache]: Analyzing trace with hash -876172962, now seen corresponding path program 12 times [2021-03-24 19:55:33,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:55:33,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287005810] [2021-03-24 19:55:33,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:55:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:55:33,260 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:55:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:55:33,310 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:55:33,344 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 19:55:33,345 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 19:55:33,345 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-24 19:55:33,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 07:55:33 BasicIcfg [2021-03-24 19:55:33,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 19:55:33,426 INFO L168 Benchmark]: Toolchain (without parser) took 17236.84 ms. Allocated memory was 358.6 MB in the beginning and 763.4 MB in the end (delta: 404.8 MB). Free memory was 321.7 MB in the beginning and 573.1 MB in the end (delta: -251.4 MB). Peak memory consumption was 153.4 MB. Max. memory is 16.0 GB. [2021-03-24 19:55:33,426 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 358.6 MB. Free memory was 340.4 MB in the beginning and 340.3 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 19:55:33,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.92 ms. Allocated memory is still 358.6 MB. Free memory was 321.6 MB in the beginning and 314.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.0 GB. [2021-03-24 19:55:33,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.78 ms. Allocated memory is still 358.6 MB. Free memory was 314.2 MB in the beginning and 311.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-24 19:55:33,426 INFO L168 Benchmark]: Boogie Preprocessor took 35.93 ms. Allocated memory is still 358.6 MB. Free memory was 311.0 MB in the beginning and 308.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 19:55:33,427 INFO L168 Benchmark]: RCFGBuilder took 2331.81 ms. Allocated memory was 358.6 MB in the beginning and 438.3 MB in the end (delta: 79.7 MB). Free memory was 307.9 MB in the beginning and 289.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 172.3 MB. Max. memory is 16.0 GB. [2021-03-24 19:55:33,429 INFO L168 Benchmark]: TraceAbstraction took 14305.05 ms. Allocated memory was 438.3 MB in the beginning and 763.4 MB in the end (delta: 325.1 MB). Free memory was 288.6 MB in the beginning and 573.1 MB in the end (delta: -284.5 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.0 GB. [2021-03-24 19:55:33,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 358.6 MB. Free memory was 340.4 MB in the beginning and 340.3 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 509.92 ms. Allocated memory is still 358.6 MB. Free memory was 321.6 MB in the beginning and 314.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 48.78 ms. Allocated memory is still 358.6 MB. Free memory was 314.2 MB in the beginning and 311.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 35.93 ms. Allocated memory is still 358.6 MB. Free memory was 311.0 MB in the beginning and 308.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2331.81 ms. Allocated memory was 358.6 MB in the beginning and 438.3 MB in the end (delta: 79.7 MB). Free memory was 307.9 MB in the beginning and 289.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 172.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 14305.05 ms. Allocated memory was 438.3 MB in the beginning and 763.4 MB in the end (delta: 325.1 MB). Free memory was 288.6 MB in the beginning and 573.1 MB in the end (delta: -284.5 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5714.4ms, 104 PlacesBefore, 49 PlacesAfterwards, 96 TransitionsBefore, 40 TransitionsAfterwards, 1786 CoEnabledTransitionPairs, 5 FixpointIterations, 27 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 62 TotalNumberOfCompositions, 3300 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1412, positive: 1324, positive conditional: 0, positive unconditional: 1324, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1047, positive: 1005, positive conditional: 0, positive unconditional: 1005, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1047, positive: 1005, positive conditional: 0, positive unconditional: 1005, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1047, positive: 1000, positive conditional: 0, positive unconditional: 1000, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 775, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 763, negative conditional: 0, negative unconditional: 763, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1412, positive: 319, positive conditional: 0, positive unconditional: 319, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 1047, unknown conditional: 0, unknown unconditional: 1047] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 120, Positive conditional cache size: 0, Positive unconditional cache size: 120, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - 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; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L723] 0 _Bool y$flush_delayed; [L724] 0 int y$mem_tmp; [L725] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L726] 0 _Bool y$r_buff0_thd1; [L727] 0 _Bool y$r_buff0_thd2; [L728] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L729] 0 _Bool y$r_buff1_thd0; [L730] 0 _Bool y$r_buff1_thd1; [L731] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L732] 0 _Bool y$r_buff1_thd3; [L733] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L734] 0 int *y$read_delayed_var; [L735] 0 int y$w_buff0; [L736] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L737] 0 int y$w_buff1; [L738] 0 _Bool y$w_buff1_used; [L739] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L740] 0 _Bool weak$$choice2; [L854] 0 pthread_t t2324; [L855] FCALL, FORK 0 pthread_create(&t2324, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L856] 0 pthread_t t2325; [L857] FCALL, FORK 0 pthread_create(&t2325, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L858] 0 pthread_t t2326; [L859] FCALL, FORK 0 pthread_create(&t2326, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L784] 2 y$w_buff1 = y$w_buff0 [L785] 2 y$w_buff0 = 2 [L786] 2 y$w_buff1_used = y$w_buff0_used [L787] 2 y$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L789] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L790] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L791] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L792] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L793] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L796] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L813] 3 __unbuffered_p2_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L816] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L817] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L818] 3 y$flush_delayed = weak$$choice2 [L819] 3 y$mem_tmp = y [L820] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L820] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L821] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L821] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L821] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L821] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L822] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L822] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L822] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L822] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L823] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L823] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used) [L823] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L823] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L824] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L824] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L824] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L824] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L825] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3) [L825] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L825] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L826] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L826] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] 3 __unbuffered_p2_EBX = y [L828] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L828] 3 y = y$flush_delayed ? y$mem_tmp : y [L829] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L833] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L833] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L834] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L834] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L835] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L835] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L836] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L836] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L744] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L748] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L749] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L750] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L751] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L754] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L755] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L756] 1 y$flush_delayed = weak$$choice2 [L757] 1 y$mem_tmp = y [L758] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L758] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L759] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L759] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L760] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L760] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L761] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L761] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L762] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L763] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L763] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L764] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L765] 1 __unbuffered_p0_EAX = y [L766] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L766] 1 y = y$flush_delayed ? y$mem_tmp : y [L767] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L799] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L799] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L800] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L800] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L801] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L802] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L802] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L803] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L803] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L839] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L841] 3 return 0; [L806] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 2 return 0; [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L770] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L770] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L771] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L771] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L772] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L772] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L773] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L773] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L774] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L774] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L861] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L865] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L865] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L866] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L866] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L867] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L867] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L868] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L868] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L869] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L869] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L872] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L873] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L874] 0 y$flush_delayed = weak$$choice2 [L875] 0 y$mem_tmp = y [L876] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L876] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L877] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L877] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L877] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L877] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L878] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L878] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L878] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L878] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L879] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L879] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L879] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L879] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L880] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L880] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L880] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L880] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L881] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L881] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L881] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L881] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L882] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L882] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L882] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L882] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L883] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L884] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L884] 0 y = y$flush_delayed ? y$mem_tmp : y [L885] 0 y$flush_delayed = (_Bool)0 [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 14102.3ms, OverallIterations: 23, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4934.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5775.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 164 SDtfs, 292 SDslu, 367 SDs, 0 SdLazy, 1638 SolverSat, 593 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1799.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 247 GetRequests, 29 SyntacticMatches, 4 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 2240.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1308occurred in iteration=14, InterpolantAutomatonStates: 189, 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: 75.6ms SsaConstructionTime, 649.4ms SatisfiabilityAnalysisTime, 2356.1ms InterpolantComputationTime, 643 NumberOfCodeBlocks, 643 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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...