/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-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe032_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 11:07:38,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 11:07:38,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 11:07:38,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 11:07:38,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 11:07:38,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 11:07:38,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 11:07:38,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 11:07:38,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 11:07:38,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 11:07:38,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 11:07:38,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 11:07:38,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 11:07:38,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 11:07:38,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 11:07:38,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 11:07:38,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 11:07:38,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 11:07:38,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 11:07:38,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 11:07:38,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 11:07:38,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 11:07:38,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 11:07:38,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 11:07:38,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 11:07:38,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 11:07:38,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 11:07:38,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 11:07:38,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 11:07:38,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 11:07:38,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 11:07:38,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 11:07:38,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 11:07:38,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 11:07:38,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 11:07:38,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 11:07:38,825 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-VariableLbe.epf [2021-03-24 11:07:38,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 11:07:38,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 11:07:38,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 11:07:38,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 11:07:38,846 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 11:07:38,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 11:07:38,846 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 11:07:38,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 11:07:38,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 11:07:38,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 11:07:38,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 11:07:38,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 11:07:38,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 11:07:38,847 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 11:07:38,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 11:07:38,847 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 11:07:38,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 11:07:38,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 11:07:38,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 11:07:38,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 11:07:38,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 11:07:38,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 11:07:38,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 11:07:38,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 11:07:38,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 11:07:38,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 11:07:38,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 11:07:38,849 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 11:07:38,849 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 11:07:38,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 11:07:39,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 11:07:39,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 11:07:39,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 11:07:39,121 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 11:07:39,122 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 11:07:39,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_pso.oepc.i [2021-03-24 11:07:39,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa169b29/bec5d871dbb4432a942aa3a82636721c/FLAGe8ecfd6e0 [2021-03-24 11:07:39,764 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 11:07:39,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_pso.oepc.i [2021-03-24 11:07:39,775 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa169b29/bec5d871dbb4432a942aa3a82636721c/FLAGe8ecfd6e0 [2021-03-24 11:07:40,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa169b29/bec5d871dbb4432a942aa3a82636721c [2021-03-24 11:07:40,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 11:07:40,200 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 11:07:40,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 11:07:40,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 11:07:40,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 11:07:40,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 11:07:40" (1/1) ... [2021-03-24 11:07:40,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e45c00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:07:40, skipping insertion in model container [2021-03-24 11:07:40,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 11:07:40" (1/1) ... [2021-03-24 11:07:40,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 11:07:40,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 11:07:40,381 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/safe032_pso.oepc.i[993,1006] [2021-03-24 11:07:40,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 11:07:40,613 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 11:07:40,622 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/safe032_pso.oepc.i[993,1006] [2021-03-24 11:07:40,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 11:07:40,722 INFO L208 MainTranslator]: Completed translation [2021-03-24 11:07:40,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:07:40 WrapperNode [2021-03-24 11:07:40,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 11:07:40,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 11:07:40,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 11:07:40,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 11:07:40,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:07:40" (1/1) ... [2021-03-24 11:07:40,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:07:40" (1/1) ... [2021-03-24 11:07:40,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 11:07:40,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 11:07:40,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 11:07:40,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 11:07:40,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:07:40" (1/1) ... [2021-03-24 11:07:40,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:07:40" (1/1) ... [2021-03-24 11:07:40,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:07:40" (1/1) ... [2021-03-24 11:07:40,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:07:40" (1/1) ... [2021-03-24 11:07:40,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:07:40" (1/1) ... [2021-03-24 11:07:40,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:07:40" (1/1) ... [2021-03-24 11:07:40,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:07:40" (1/1) ... [2021-03-24 11:07:40,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 11:07:40,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 11:07:40,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 11:07:40,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 11:07:40,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:07:40" (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 11:07:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 11:07:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 11:07:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 11:07:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 11:07:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 11:07:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 11:07:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 11:07:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 11:07:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 11:07:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 11:07:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 11:07:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 11:07:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 11:07:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 11:07:40,869 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 11:07:43,634 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 11:07:43,634 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 11:07:43,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 11:07:43 BoogieIcfgContainer [2021-03-24 11:07:43,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 11:07:43,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 11:07:43,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 11:07:43,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 11:07:43,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 11:07:40" (1/3) ... [2021-03-24 11:07:43,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 11:07:43, skipping insertion in model container [2021-03-24 11:07:43,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:07:40" (2/3) ... [2021-03-24 11:07:43,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 11:07:43, skipping insertion in model container [2021-03-24 11:07:43,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 11:07:43" (3/3) ... [2021-03-24 11:07:43,641 INFO L111 eAbstractionObserver]: Analyzing ICFG safe032_pso.oepc.i [2021-03-24 11:07:43,647 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 11:07:43,650 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 11:07:43,651 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 11:07:43,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,704 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,704 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,705 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,705 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,731 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,731 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,731 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,731 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,761 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,761 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,761 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,761 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,767 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,767 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,767 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,767 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,768 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,768 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,769 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,769 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,769 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,769 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,769 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,769 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,769 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,770 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,770 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,770 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,770 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,770 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,770 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,770 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,774 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,776 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,778 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,778 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,779 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:07:43,781 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 11:07:43,795 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-24 11:07:43,812 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 11:07:43,812 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 11:07:43,812 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 11:07:43,812 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 11:07:43,813 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 11:07:43,813 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 11:07:43,813 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 11:07:43,813 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 11:07:43,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2021-03-24 11:07:43,853 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-03-24 11:07:43,853 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:07:43,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-03-24 11:07:43,856 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2021-03-24 11:07:43,860 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2021-03-24 11:07:43,866 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 11:07:43,874 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 197 flow [2021-03-24 11:07:43,876 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 94 transitions, 197 flow [2021-03-24 11:07:43,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 197 flow [2021-03-24 11:07:43,906 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-03-24 11:07:43,906 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:07:43,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-03-24 11:07:43,911 INFO L142 LiptonReduction]: Number of co-enabled transitions 1668 [2021-03-24 11:07:44,643 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 11:07:45,053 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-24 11:07:45,183 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-24 11:07:46,534 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-24 11:07:46,841 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-24 11:07:48,161 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-24 11:07:48,744 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-24 11:07:49,186 INFO L154 LiptonReduction]: Checked pairs total: 3146 [2021-03-24 11:07:49,187 INFO L156 LiptonReduction]: Total number of compositions: 65 [2021-03-24 11:07:49,189 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5324 [2021-03-24 11:07:49,197 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-24 11:07:49,197 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:07:49,197 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:49,198 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:07:49,198 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:49,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:49,202 INFO L82 PathProgramCache]: Analyzing trace with hash -281805230, now seen corresponding path program 1 times [2021-03-24 11:07:49,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:49,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552716200] [2021-03-24 11:07:49,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:49,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:49,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:49,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:49,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:49,422 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 11:07:49,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552716200] [2021-03-24 11:07:49,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:49,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 11:07:49,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404081911] [2021-03-24 11:07:49,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 11:07:49,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:49,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 11:07:49,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 11:07:49,443 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 162 [2021-03-24 11:07:49,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 85 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 11:07:49,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:49,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 162 [2021-03-24 11:07:49,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:49,601 INFO L129 PetriNetUnfolder]: 115/301 cut-off events. [2021-03-24 11:07:49,601 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:07:49,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 301 events. 115/301 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1513 event pairs, 39 based on Foata normal form. 22/293 useless extension candidates. Maximal degree in co-relation 479. Up to 141 conditions per place. [2021-03-24 11:07:49,605 INFO L132 encePairwiseOnDemand]: 158/162 looper letters, 13 selfloop transitions, 2 changer transitions 0/41 dead transitions. [2021-03-24 11:07:49,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 41 transitions, 121 flow [2021-03-24 11:07:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 11:07:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 11:07:49,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 429 transitions. [2021-03-24 11:07:49,622 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8827160493827161 [2021-03-24 11:07:49,623 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 429 transitions. [2021-03-24 11:07:49,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 429 transitions. [2021-03-24 11:07:49,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:49,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 429 transitions. [2021-03-24 11:07:49,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 0 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 11:07:49,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 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 11:07:49,641 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 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 11:07:49,643 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 85 flow. Second operand 3 states and 429 transitions. [2021-03-24 11:07:49,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 41 transitions, 121 flow [2021-03-24 11:07:49,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 41 transitions, 118 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-24 11:07:49,647 INFO L241 Difference]: Finished difference. Result has 44 places, 35 transitions, 80 flow [2021-03-24 11:07:49,648 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=44, PETRI_TRANSITIONS=35} [2021-03-24 11:07:49,649 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2021-03-24 11:07:49,649 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 35 transitions, 80 flow [2021-03-24 11:07:49,650 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 11:07:49,650 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:49,650 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:07:49,650 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 11:07:49,650 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:49,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:49,651 INFO L82 PathProgramCache]: Analyzing trace with hash 557731296, now seen corresponding path program 1 times [2021-03-24 11:07:49,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:49,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040139603] [2021-03-24 11:07:49,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:49,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:49,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:49,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:49,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:49,790 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:07:49,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:07:49,796 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 11:07:49,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040139603] [2021-03-24 11:07:49,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:49,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 11:07:49,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628493088] [2021-03-24 11:07:49,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 11:07:49,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:49,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 11:07:49,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 11:07:49,800 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 162 [2021-03-24 11:07:49,800 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 35 transitions, 80 flow. Second operand has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 0 states have call successors, (0), 0 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 11:07:49,800 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:49,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 162 [2021-03-24 11:07:49,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:49,841 INFO L129 PetriNetUnfolder]: 12/81 cut-off events. [2021-03-24 11:07:49,842 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:07:49,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 81 events. 12/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 244 event pairs, 3 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 106. Up to 20 conditions per place. [2021-03-24 11:07:49,842 INFO L132 encePairwiseOnDemand]: 157/162 looper letters, 4 selfloop transitions, 3 changer transitions 9/44 dead transitions. [2021-03-24 11:07:49,842 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 44 transitions, 128 flow [2021-03-24 11:07:49,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 11:07:49,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 11:07:49,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 712 transitions. [2021-03-24 11:07:49,846 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8790123456790123 [2021-03-24 11:07:49,846 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 712 transitions. [2021-03-24 11:07:49,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 712 transitions. [2021-03-24 11:07:49,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:49,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 712 transitions. [2021-03-24 11:07:49,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 142.4) internal successors, (712), 5 states have internal predecessors, (712), 0 states have call successors, (0), 0 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 11:07:49,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 162.0) internal successors, (972), 6 states have internal predecessors, (972), 0 states have call successors, (0), 0 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 11:07:49,850 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 162.0) internal successors, (972), 6 states have internal predecessors, (972), 0 states have call successors, (0), 0 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 11:07:49,850 INFO L185 Difference]: Start difference. First operand has 44 places, 35 transitions, 80 flow. Second operand 5 states and 712 transitions. [2021-03-24 11:07:49,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 44 transitions, 128 flow [2021-03-24 11:07:49,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 44 transitions, 124 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 11:07:49,852 INFO L241 Difference]: Finished difference. Result has 49 places, 35 transitions, 99 flow [2021-03-24 11:07:49,852 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=99, PETRI_PLACES=49, PETRI_TRANSITIONS=35} [2021-03-24 11:07:49,853 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 2 predicate places. [2021-03-24 11:07:49,853 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 35 transitions, 99 flow [2021-03-24 11:07:49,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 0 states have call successors, (0), 0 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 11:07:49,853 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:49,853 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 11:07:49,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 11:07:49,854 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:49,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:49,854 INFO L82 PathProgramCache]: Analyzing trace with hash -651653729, now seen corresponding path program 1 times [2021-03-24 11:07:49,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:49,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416752302] [2021-03-24 11:07:49,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:49,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:49,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:49,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:49,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:49,927 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:07:49,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:07:49,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:07:49,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416752302] [2021-03-24 11:07:49,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:49,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 11:07:49,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714432231] [2021-03-24 11:07:49,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 11:07:49,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:49,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 11:07:49,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 11:07:49,933 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 162 [2021-03-24 11:07:49,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 35 transitions, 99 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 11:07:49,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:49,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 162 [2021-03-24 11:07:49,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:49,963 INFO L129 PetriNetUnfolder]: 7/60 cut-off events. [2021-03-24 11:07:49,964 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2021-03-24 11:07:49,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 60 events. 7/60 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 136 event pairs, 3 based on Foata normal form. 5/61 useless extension candidates. Maximal degree in co-relation 96. Up to 17 conditions per place. [2021-03-24 11:07:49,964 INFO L132 encePairwiseOnDemand]: 158/162 looper letters, 2 selfloop transitions, 2 changer transitions 2/37 dead transitions. [2021-03-24 11:07:49,964 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 37 transitions, 117 flow [2021-03-24 11:07:49,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 11:07:49,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 11:07:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 718 transitions. [2021-03-24 11:07:49,967 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8864197530864197 [2021-03-24 11:07:49,967 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 718 transitions. [2021-03-24 11:07:49,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 718 transitions. [2021-03-24 11:07:49,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:49,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 718 transitions. [2021-03-24 11:07:49,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 143.6) internal successors, (718), 5 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:07:49,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 162.0) internal successors, (972), 6 states have internal predecessors, (972), 0 states have call successors, (0), 0 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 11:07:49,971 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 162.0) internal successors, (972), 6 states have internal predecessors, (972), 0 states have call successors, (0), 0 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 11:07:49,971 INFO L185 Difference]: Start difference. First operand has 49 places, 35 transitions, 99 flow. Second operand 5 states and 718 transitions. [2021-03-24 11:07:49,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 37 transitions, 117 flow [2021-03-24 11:07:49,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 37 transitions, 112 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-24 11:07:49,973 INFO L241 Difference]: Finished difference. Result has 50 places, 35 transitions, 106 flow [2021-03-24 11:07:49,973 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=106, PETRI_PLACES=50, PETRI_TRANSITIONS=35} [2021-03-24 11:07:49,973 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 3 predicate places. [2021-03-24 11:07:49,973 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 35 transitions, 106 flow [2021-03-24 11:07:49,973 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 11:07:49,973 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:49,974 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 11:07:49,974 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 11:07:49,974 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:49,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:49,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1793855214, now seen corresponding path program 1 times [2021-03-24 11:07:49,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:49,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024984186] [2021-03-24 11:07:49,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:50,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:50,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:50,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:07:50,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:07:50,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:07:50,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:07:50,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:07:50,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:07:50,236 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:07:50,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:07:50,242 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 11:07:50,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024984186] [2021-03-24 11:07:50,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:50,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 11:07:50,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71703339] [2021-03-24 11:07:50,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 11:07:50,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:50,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 11:07:50,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-03-24 11:07:50,245 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 162 [2021-03-24 11:07:50,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 35 transitions, 106 flow. Second operand has 9 states, 9 states have (on average 122.22222222222223) internal successors, (1100), 9 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 11:07:50,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:50,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 162 [2021-03-24 11:07:50,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:50,570 INFO L129 PetriNetUnfolder]: 230/532 cut-off events. [2021-03-24 11:07:50,570 INFO L130 PetriNetUnfolder]: For 364/364 co-relation queries the response was YES. [2021-03-24 11:07:50,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1189 conditions, 532 events. 230/532 cut-off events. For 364/364 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3234 event pairs, 64 based on Foata normal form. 42/549 useless extension candidates. Maximal degree in co-relation 1160. Up to 192 conditions per place. [2021-03-24 11:07:50,577 INFO L132 encePairwiseOnDemand]: 153/162 looper letters, 18 selfloop transitions, 9 changer transitions 14/61 dead transitions. [2021-03-24 11:07:50,577 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 61 transitions, 251 flow [2021-03-24 11:07:50,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 11:07:50,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 11:07:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1254 transitions. [2021-03-24 11:07:50,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.774074074074074 [2021-03-24 11:07:50,581 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1254 transitions. [2021-03-24 11:07:50,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1254 transitions. [2021-03-24 11:07:50,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:50,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1254 transitions. [2021-03-24 11:07:50,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 125.4) internal successors, (1254), 10 states have internal predecessors, (1254), 0 states have call successors, (0), 0 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 11:07:50,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 162.0) internal successors, (1782), 11 states have internal predecessors, (1782), 0 states have call successors, (0), 0 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 11:07:50,588 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 162.0) internal successors, (1782), 11 states have internal predecessors, (1782), 0 states have call successors, (0), 0 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 11:07:50,588 INFO L185 Difference]: Start difference. First operand has 50 places, 35 transitions, 106 flow. Second operand 10 states and 1254 transitions. [2021-03-24 11:07:50,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 61 transitions, 251 flow [2021-03-24 11:07:50,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 61 transitions, 241 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 11:07:50,593 INFO L241 Difference]: Finished difference. Result has 59 places, 40 transitions, 156 flow [2021-03-24 11:07:50,593 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=156, PETRI_PLACES=59, PETRI_TRANSITIONS=40} [2021-03-24 11:07:50,593 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 12 predicate places. [2021-03-24 11:07:50,594 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 40 transitions, 156 flow [2021-03-24 11:07:50,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 122.22222222222223) internal successors, (1100), 9 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 11:07:50,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:50,596 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 11:07:50,596 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 11:07:50,596 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:50,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:50,596 INFO L82 PathProgramCache]: Analyzing trace with hash -225132734, now seen corresponding path program 1 times [2021-03-24 11:07:50,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:50,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940707736] [2021-03-24 11:07:50,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:50,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:50,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:50,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:07:50,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:07:50,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:07:50,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:07:50,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:50,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 11:07:50,836 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:07:50,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:07:50,843 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 11:07:50,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940707736] [2021-03-24 11:07:50,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:50,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 11:07:50,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495915598] [2021-03-24 11:07:50,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 11:07:50,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:50,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 11:07:50,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-24 11:07:50,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 162 [2021-03-24 11:07:50,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 40 transitions, 156 flow. Second operand has 9 states, 9 states have (on average 119.44444444444444) internal successors, (1075), 9 states have internal predecessors, (1075), 0 states have call successors, (0), 0 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 11:07:50,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:50,848 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 162 [2021-03-24 11:07:50,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:51,323 INFO L129 PetriNetUnfolder]: 247/586 cut-off events. [2021-03-24 11:07:51,324 INFO L130 PetriNetUnfolder]: For 667/669 co-relation queries the response was YES. [2021-03-24 11:07:51,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1615 conditions, 586 events. 247/586 cut-off events. For 667/669 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3706 event pairs, 16 based on Foata normal form. 8/585 useless extension candidates. Maximal degree in co-relation 1579. Up to 229 conditions per place. [2021-03-24 11:07:51,328 INFO L132 encePairwiseOnDemand]: 147/162 looper letters, 28 selfloop transitions, 36 changer transitions 15/98 dead transitions. [2021-03-24 11:07:51,328 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 98 transitions, 568 flow [2021-03-24 11:07:51,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 11:07:51,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 11:07:51,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1838 transitions. [2021-03-24 11:07:51,333 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7563786008230453 [2021-03-24 11:07:51,333 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1838 transitions. [2021-03-24 11:07:51,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1838 transitions. [2021-03-24 11:07:51,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:51,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1838 transitions. [2021-03-24 11:07:51,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 122.53333333333333) internal successors, (1838), 15 states have internal predecessors, (1838), 0 states have call successors, (0), 0 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 11:07:51,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 162.0) internal successors, (2592), 16 states have internal predecessors, (2592), 0 states have call successors, (0), 0 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 11:07:51,342 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 162.0) internal successors, (2592), 16 states have internal predecessors, (2592), 0 states have call successors, (0), 0 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 11:07:51,342 INFO L185 Difference]: Start difference. First operand has 59 places, 40 transitions, 156 flow. Second operand 15 states and 1838 transitions. [2021-03-24 11:07:51,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 98 transitions, 568 flow [2021-03-24 11:07:51,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 98 transitions, 551 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-24 11:07:51,350 INFO L241 Difference]: Finished difference. Result has 72 places, 69 transitions, 438 flow [2021-03-24 11:07:51,350 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=438, PETRI_PLACES=72, PETRI_TRANSITIONS=69} [2021-03-24 11:07:51,351 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 25 predicate places. [2021-03-24 11:07:51,351 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 69 transitions, 438 flow [2021-03-24 11:07:51,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 119.44444444444444) internal successors, (1075), 9 states have internal predecessors, (1075), 0 states have call successors, (0), 0 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 11:07:51,351 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:51,351 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 11:07:51,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 11:07:51,352 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:51,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:51,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1401094408, now seen corresponding path program 2 times [2021-03-24 11:07:51,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:51,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119095284] [2021-03-24 11:07:51,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:51,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:51,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:51,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:07:51,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:07:51,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 11:07:51,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 11:07:51,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 11:07:51,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:07:51,521 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:07:51,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:07:51,527 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 11:07:51,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119095284] [2021-03-24 11:07:51,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:51,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 11:07:51,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175001159] [2021-03-24 11:07:51,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 11:07:51,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:51,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 11:07:51,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-24 11:07:51,531 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 162 [2021-03-24 11:07:51,532 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 69 transitions, 438 flow. Second operand has 8 states, 8 states have (on average 119.625) internal successors, (957), 8 states have internal predecessors, (957), 0 states have call successors, (0), 0 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 11:07:51,532 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:51,532 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 162 [2021-03-24 11:07:51,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:51,764 INFO L129 PetriNetUnfolder]: 216/518 cut-off events. [2021-03-24 11:07:51,764 INFO L130 PetriNetUnfolder]: For 1849/2037 co-relation queries the response was YES. [2021-03-24 11:07:51,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2355 conditions, 518 events. 216/518 cut-off events. For 1849/2037 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3096 event pairs, 51 based on Foata normal form. 16/521 useless extension candidates. Maximal degree in co-relation 2310. Up to 320 conditions per place. [2021-03-24 11:07:51,770 INFO L132 encePairwiseOnDemand]: 149/162 looper letters, 45 selfloop transitions, 20 changer transitions 5/89 dead transitions. [2021-03-24 11:07:51,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 89 transitions, 767 flow [2021-03-24 11:07:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 11:07:51,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 11:07:51,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1099 transitions. [2021-03-24 11:07:51,773 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7537722908093278 [2021-03-24 11:07:51,773 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1099 transitions. [2021-03-24 11:07:51,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1099 transitions. [2021-03-24 11:07:51,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:51,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1099 transitions. [2021-03-24 11:07:51,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 122.11111111111111) internal successors, (1099), 9 states have internal predecessors, (1099), 0 states have call successors, (0), 0 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 11:07:51,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 162.0) internal successors, (1620), 10 states have internal predecessors, (1620), 0 states have call successors, (0), 0 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 11:07:51,777 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 162.0) internal successors, (1620), 10 states have internal predecessors, (1620), 0 states have call successors, (0), 0 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 11:07:51,778 INFO L185 Difference]: Start difference. First operand has 72 places, 69 transitions, 438 flow. Second operand 9 states and 1099 transitions. [2021-03-24 11:07:51,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 89 transitions, 767 flow [2021-03-24 11:07:51,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 89 transitions, 752 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-03-24 11:07:51,785 INFO L241 Difference]: Finished difference. Result has 76 places, 79 transitions, 601 flow [2021-03-24 11:07:51,786 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=601, PETRI_PLACES=76, PETRI_TRANSITIONS=79} [2021-03-24 11:07:51,786 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 29 predicate places. [2021-03-24 11:07:51,786 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 79 transitions, 601 flow [2021-03-24 11:07:51,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 119.625) internal successors, (957), 8 states have internal predecessors, (957), 0 states have call successors, (0), 0 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 11:07:51,786 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:51,787 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 11:07:51,787 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 11:07:51,787 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:51,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:51,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1082575778, now seen corresponding path program 1 times [2021-03-24 11:07:51,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:51,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364825431] [2021-03-24 11:07:51,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:51,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:51,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:07:51,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:07:51,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:07:51,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:07:51,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 11:07:51,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 11:07:51,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:51,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-24 11:07:52,008 INFO L142 QuantifierPusher]: treesize reduction 17, result has 76.7 percent of original size [2021-03-24 11:07:52,011 INFO L147 QuantifierPusher]: treesize reduction 9, result has 83.9 percent of original size 47 [2021-03-24 11:07:52,053 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-24 11:07:52,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 11:07:52,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:52,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 11:07:52,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:52,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:07:52,103 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:07:52,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:07:52,111 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 11:07:52,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364825431] [2021-03-24 11:07:52,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:52,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-24 11:07:52,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104824725] [2021-03-24 11:07:52,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-24 11:07:52,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:52,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-24 11:07:52,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-03-24 11:07:52,115 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 162 [2021-03-24 11:07:52,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 79 transitions, 601 flow. Second operand has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 11:07:52,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:52,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 162 [2021-03-24 11:07:52,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:52,528 INFO L129 PetriNetUnfolder]: 235/583 cut-off events. [2021-03-24 11:07:52,529 INFO L130 PetriNetUnfolder]: For 2901/3267 co-relation queries the response was YES. [2021-03-24 11:07:52,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2960 conditions, 583 events. 235/583 cut-off events. For 2901/3267 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 3796 event pairs, 53 based on Foata normal form. 28/600 useless extension candidates. Maximal degree in co-relation 2910. Up to 294 conditions per place. [2021-03-24 11:07:52,534 INFO L132 encePairwiseOnDemand]: 151/162 looper letters, 41 selfloop transitions, 16 changer transitions 37/111 dead transitions. [2021-03-24 11:07:52,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 111 transitions, 1101 flow [2021-03-24 11:07:52,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 11:07:52,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 11:07:52,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1487 transitions. [2021-03-24 11:07:52,539 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7060778727445394 [2021-03-24 11:07:52,539 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1487 transitions. [2021-03-24 11:07:52,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1487 transitions. [2021-03-24 11:07:52,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:52,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1487 transitions. [2021-03-24 11:07:52,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 114.38461538461539) internal successors, (1487), 13 states have internal predecessors, (1487), 0 states have call successors, (0), 0 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 11:07:52,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 162.0) internal successors, (2268), 14 states have internal predecessors, (2268), 0 states have call successors, (0), 0 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 11:07:52,546 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 162.0) internal successors, (2268), 14 states have internal predecessors, (2268), 0 states have call successors, (0), 0 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 11:07:52,546 INFO L185 Difference]: Start difference. First operand has 76 places, 79 transitions, 601 flow. Second operand 13 states and 1487 transitions. [2021-03-24 11:07:52,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 111 transitions, 1101 flow [2021-03-24 11:07:52,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 111 transitions, 1053 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-03-24 11:07:52,555 INFO L241 Difference]: Finished difference. Result has 84 places, 70 transitions, 499 flow [2021-03-24 11:07:52,555 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=499, PETRI_PLACES=84, PETRI_TRANSITIONS=70} [2021-03-24 11:07:52,556 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 37 predicate places. [2021-03-24 11:07:52,556 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 70 transitions, 499 flow [2021-03-24 11:07:52,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 11:07:52,557 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:52,557 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 11:07:52,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 11:07:52,557 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:52,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:52,557 INFO L82 PathProgramCache]: Analyzing trace with hash 667542044, now seen corresponding path program 2 times [2021-03-24 11:07:52,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:52,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111880647] [2021-03-24 11:07:52,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:52,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:52,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:52,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:52,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:52,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:52,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:07:52,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:52,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:07:52,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:52,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 11:07:52,682 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 11:07:52,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 11:07:52,693 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:07:52,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:07:52,700 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 11:07:52,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111880647] [2021-03-24 11:07:52,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:52,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 11:07:52,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572340558] [2021-03-24 11:07:52,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 11:07:52,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:52,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 11:07:52,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 11:07:52,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 162 [2021-03-24 11:07:52,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 70 transitions, 499 flow. Second operand has 8 states, 8 states have (on average 119.75) internal successors, (958), 8 states have internal predecessors, (958), 0 states have call successors, (0), 0 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 11:07:52,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:52,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 162 [2021-03-24 11:07:52,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:53,094 INFO L129 PetriNetUnfolder]: 218/534 cut-off events. [2021-03-24 11:07:53,094 INFO L130 PetriNetUnfolder]: For 2858/3020 co-relation queries the response was YES. [2021-03-24 11:07:53,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2744 conditions, 534 events. 218/534 cut-off events. For 2858/3020 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3352 event pairs, 15 based on Foata normal form. 35/558 useless extension candidates. Maximal degree in co-relation 2691. Up to 230 conditions per place. [2021-03-24 11:07:53,100 INFO L132 encePairwiseOnDemand]: 149/162 looper letters, 43 selfloop transitions, 31 changer transitions 11/104 dead transitions. [2021-03-24 11:07:53,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 104 transitions, 1036 flow [2021-03-24 11:07:53,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 11:07:53,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 11:07:53,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1347 transitions. [2021-03-24 11:07:53,104 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7558922558922558 [2021-03-24 11:07:53,104 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1347 transitions. [2021-03-24 11:07:53,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1347 transitions. [2021-03-24 11:07:53,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:53,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1347 transitions. [2021-03-24 11:07:53,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 122.45454545454545) internal successors, (1347), 11 states have internal predecessors, (1347), 0 states have call successors, (0), 0 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 11:07:53,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 162.0) internal successors, (1944), 12 states have internal predecessors, (1944), 0 states have call successors, (0), 0 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 11:07:53,111 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 162.0) internal successors, (1944), 12 states have internal predecessors, (1944), 0 states have call successors, (0), 0 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 11:07:53,111 INFO L185 Difference]: Start difference. First operand has 84 places, 70 transitions, 499 flow. Second operand 11 states and 1347 transitions. [2021-03-24 11:07:53,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 104 transitions, 1036 flow [2021-03-24 11:07:53,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 104 transitions, 996 flow, removed 11 selfloop flow, removed 10 redundant places. [2021-03-24 11:07:53,120 INFO L241 Difference]: Finished difference. Result has 84 places, 81 transitions, 695 flow [2021-03-24 11:07:53,120 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=695, PETRI_PLACES=84, PETRI_TRANSITIONS=81} [2021-03-24 11:07:53,120 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 37 predicate places. [2021-03-24 11:07:53,121 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 81 transitions, 695 flow [2021-03-24 11:07:53,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 119.75) internal successors, (958), 8 states have internal predecessors, (958), 0 states have call successors, (0), 0 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 11:07:53,121 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:53,121 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:07:53,121 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 11:07:53,121 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:53,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:53,122 INFO L82 PathProgramCache]: Analyzing trace with hash -906481404, now seen corresponding path program 3 times [2021-03-24 11:07:53,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:53,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989742788] [2021-03-24 11:07:53,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:53,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:53,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:53,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:53,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:07:53,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:53,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:07:53,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:53,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:07:53,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:53,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:07:53,251 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:07:53,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:07:53,256 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 11:07:53,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989742788] [2021-03-24 11:07:53,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:53,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 11:07:53,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822573896] [2021-03-24 11:07:53,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 11:07:53,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:53,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 11:07:53,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 11:07:53,259 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 162 [2021-03-24 11:07:53,259 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 81 transitions, 695 flow. Second operand has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 0 states have call successors, (0), 0 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 11:07:53,259 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:53,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 162 [2021-03-24 11:07:53,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:53,502 INFO L129 PetriNetUnfolder]: 200/537 cut-off events. [2021-03-24 11:07:53,502 INFO L130 PetriNetUnfolder]: For 4069/4297 co-relation queries the response was YES. [2021-03-24 11:07:53,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3112 conditions, 537 events. 200/537 cut-off events. For 4069/4297 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3515 event pairs, 10 based on Foata normal form. 27/556 useless extension candidates. Maximal degree in co-relation 3062. Up to 293 conditions per place. [2021-03-24 11:07:53,508 INFO L132 encePairwiseOnDemand]: 152/162 looper letters, 54 selfloop transitions, 21 changer transitions 5/100 dead transitions. [2021-03-24 11:07:53,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 100 transitions, 1089 flow [2021-03-24 11:07:53,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 11:07:53,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 11:07:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 889 transitions. [2021-03-24 11:07:53,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7839506172839507 [2021-03-24 11:07:53,510 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 889 transitions. [2021-03-24 11:07:53,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 889 transitions. [2021-03-24 11:07:53,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:53,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 889 transitions. [2021-03-24 11:07:53,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 0 states have call successors, (0), 0 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 11:07:53,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 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 11:07:53,514 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 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 11:07:53,515 INFO L185 Difference]: Start difference. First operand has 84 places, 81 transitions, 695 flow. Second operand 7 states and 889 transitions. [2021-03-24 11:07:53,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 100 transitions, 1089 flow [2021-03-24 11:07:53,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 100 transitions, 1018 flow, removed 27 selfloop flow, removed 6 redundant places. [2021-03-24 11:07:53,528 INFO L241 Difference]: Finished difference. Result has 86 places, 88 transitions, 799 flow [2021-03-24 11:07:53,528 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=799, PETRI_PLACES=86, PETRI_TRANSITIONS=88} [2021-03-24 11:07:53,528 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 39 predicate places. [2021-03-24 11:07:53,529 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 88 transitions, 799 flow [2021-03-24 11:07:53,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 0 states have call successors, (0), 0 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 11:07:53,529 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:53,529 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 11:07:53,529 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 11:07:53,529 INFO L428 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:53,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:53,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1636147626, now seen corresponding path program 1 times [2021-03-24 11:07:53,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:53,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483713132] [2021-03-24 11:07:53,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:53,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:53,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:53,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:53,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:53,586 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:07:53,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:07:53,590 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 11:07:53,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483713132] [2021-03-24 11:07:53,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:53,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 11:07:53,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136663296] [2021-03-24 11:07:53,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 11:07:53,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:53,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 11:07:53,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 11:07:53,595 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 162 [2021-03-24 11:07:53,595 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 88 transitions, 799 flow. Second operand has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 0 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 11:07:53,595 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:53,595 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 162 [2021-03-24 11:07:53,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:53,795 INFO L129 PetriNetUnfolder]: 243/700 cut-off events. [2021-03-24 11:07:53,796 INFO L130 PetriNetUnfolder]: For 5218/5304 co-relation queries the response was YES. [2021-03-24 11:07:53,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3676 conditions, 700 events. 243/700 cut-off events. For 5218/5304 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 5156 event pairs, 58 based on Foata normal form. 23/706 useless extension candidates. Maximal degree in co-relation 3630. Up to 260 conditions per place. [2021-03-24 11:07:53,802 INFO L132 encePairwiseOnDemand]: 158/162 looper letters, 5 selfloop transitions, 3 changer transitions 12/91 dead transitions. [2021-03-24 11:07:53,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 91 transitions, 857 flow [2021-03-24 11:07:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 11:07:53,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 11:07:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 706 transitions. [2021-03-24 11:07:53,805 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8716049382716049 [2021-03-24 11:07:53,805 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 706 transitions. [2021-03-24 11:07:53,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 706 transitions. [2021-03-24 11:07:53,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:53,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 706 transitions. [2021-03-24 11:07:53,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 141.2) internal successors, (706), 5 states have internal predecessors, (706), 0 states have call successors, (0), 0 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 11:07:53,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 162.0) internal successors, (972), 6 states have internal predecessors, (972), 0 states have call successors, (0), 0 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 11:07:53,808 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 162.0) internal successors, (972), 6 states have internal predecessors, (972), 0 states have call successors, (0), 0 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 11:07:53,809 INFO L185 Difference]: Start difference. First operand has 86 places, 88 transitions, 799 flow. Second operand 5 states and 706 transitions. [2021-03-24 11:07:53,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 91 transitions, 857 flow [2021-03-24 11:07:53,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 91 transitions, 826 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-24 11:07:53,822 INFO L241 Difference]: Finished difference. Result has 87 places, 78 transitions, 694 flow [2021-03-24 11:07:53,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=694, PETRI_PLACES=87, PETRI_TRANSITIONS=78} [2021-03-24 11:07:53,823 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 40 predicate places. [2021-03-24 11:07:53,823 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 78 transitions, 694 flow [2021-03-24 11:07:53,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 0 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 11:07:53,824 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:53,824 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] [2021-03-24 11:07:53,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 11:07:53,824 INFO L428 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:53,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:53,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1335039188, now seen corresponding path program 1 times [2021-03-24 11:07:53,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:53,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515456534] [2021-03-24 11:07:53,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:53,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:53,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:53,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:53,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:07:53,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:53,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:07:53,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:53,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:07:54,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:54,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:07:54,019 INFO L142 QuantifierPusher]: treesize reduction 37, result has 46.4 percent of original size [2021-03-24 11:07:54,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 11:07:54,046 INFO L142 QuantifierPusher]: treesize reduction 27, result has 72.7 percent of original size [2021-03-24 11:07:54,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-24 11:07:54,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:54,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:07:54,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:54,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:07:54,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:54,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:54,129 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:07:54,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:07:54,141 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 11:07:54,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515456534] [2021-03-24 11:07:54,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:54,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 11:07:54,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319936380] [2021-03-24 11:07:54,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 11:07:54,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:54,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 11:07:54,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-24 11:07:54,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 162 [2021-03-24 11:07:54,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 78 transitions, 694 flow. Second operand has 12 states, 12 states have (on average 114.25) internal successors, (1371), 12 states have internal predecessors, (1371), 0 states have call successors, (0), 0 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 11:07:54,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:54,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 162 [2021-03-24 11:07:54,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:54,715 INFO L129 PetriNetUnfolder]: 284/786 cut-off events. [2021-03-24 11:07:54,715 INFO L130 PetriNetUnfolder]: For 6153/6293 co-relation queries the response was YES. [2021-03-24 11:07:54,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4764 conditions, 786 events. 284/786 cut-off events. For 6153/6293 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 5954 event pairs, 60 based on Foata normal form. 44/807 useless extension candidates. Maximal degree in co-relation 4713. Up to 419 conditions per place. [2021-03-24 11:07:54,722 INFO L132 encePairwiseOnDemand]: 151/162 looper letters, 49 selfloop transitions, 21 changer transitions 29/118 dead transitions. [2021-03-24 11:07:54,722 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 118 transitions, 1434 flow [2021-03-24 11:07:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 11:07:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 11:07:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1404 transitions. [2021-03-24 11:07:54,725 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7222222222222222 [2021-03-24 11:07:54,725 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1404 transitions. [2021-03-24 11:07:54,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1404 transitions. [2021-03-24 11:07:54,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:54,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1404 transitions. [2021-03-24 11:07:54,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 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 11:07:54,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 162.0) internal successors, (2106), 13 states have internal predecessors, (2106), 0 states have call successors, (0), 0 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 11:07:54,732 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 162.0) internal successors, (2106), 13 states have internal predecessors, (2106), 0 states have call successors, (0), 0 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 11:07:54,732 INFO L185 Difference]: Start difference. First operand has 87 places, 78 transitions, 694 flow. Second operand 12 states and 1404 transitions. [2021-03-24 11:07:54,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 118 transitions, 1434 flow [2021-03-24 11:07:54,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 118 transitions, 1373 flow, removed 26 selfloop flow, removed 5 redundant places. [2021-03-24 11:07:54,749 INFO L241 Difference]: Finished difference. Result has 96 places, 79 transitions, 767 flow [2021-03-24 11:07:54,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=667, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=767, PETRI_PLACES=96, PETRI_TRANSITIONS=79} [2021-03-24 11:07:54,750 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 49 predicate places. [2021-03-24 11:07:54,750 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 79 transitions, 767 flow [2021-03-24 11:07:54,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 114.25) internal successors, (1371), 12 states have internal predecessors, (1371), 0 states have call successors, (0), 0 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 11:07:54,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:54,751 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] [2021-03-24 11:07:54,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 11:07:54,751 INFO L428 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:54,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:54,751 INFO L82 PathProgramCache]: Analyzing trace with hash 703029412, now seen corresponding path program 2 times [2021-03-24 11:07:54,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:54,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406957943] [2021-03-24 11:07:54,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:54,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:54,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:54,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:54,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:07:54,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:54,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:07:54,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:54,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:07:54,889 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-03-24 11:07:54,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 11:07:54,919 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.8 percent of original size [2021-03-24 11:07:54,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-24 11:07:54,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:54,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:07:54,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:54,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 11:07:54,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:54,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:07:54,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:54,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 11:07:55,008 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:07:55,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:07:55,016 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 11:07:55,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406957943] [2021-03-24 11:07:55,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:55,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 11:07:55,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804520833] [2021-03-24 11:07:55,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 11:07:55,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:55,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 11:07:55,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-03-24 11:07:55,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 162 [2021-03-24 11:07:55,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 79 transitions, 767 flow. Second operand has 12 states, 12 states have (on average 113.33333333333333) internal successors, (1360), 12 states have internal predecessors, (1360), 0 states have call successors, (0), 0 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 11:07:55,032 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:55,032 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 162 [2021-03-24 11:07:55,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:55,707 INFO L129 PetriNetUnfolder]: 227/727 cut-off events. [2021-03-24 11:07:55,707 INFO L130 PetriNetUnfolder]: For 5931/6130 co-relation queries the response was YES. [2021-03-24 11:07:55,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4396 conditions, 727 events. 227/727 cut-off events. For 5931/6130 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 5889 event pairs, 5 based on Foata normal form. 67/776 useless extension candidates. Maximal degree in co-relation 4339. Up to 307 conditions per place. [2021-03-24 11:07:55,713 INFO L132 encePairwiseOnDemand]: 151/162 looper letters, 47 selfloop transitions, 24 changer transitions 25/114 dead transitions. [2021-03-24 11:07:55,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 114 transitions, 1462 flow [2021-03-24 11:07:55,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-24 11:07:55,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-24 11:07:55,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1849 transitions. [2021-03-24 11:07:55,720 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7133487654320988 [2021-03-24 11:07:55,720 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1849 transitions. [2021-03-24 11:07:55,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1849 transitions. [2021-03-24 11:07:55,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:55,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1849 transitions. [2021-03-24 11:07:55,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 115.5625) internal successors, (1849), 16 states have internal predecessors, (1849), 0 states have call successors, (0), 0 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 11:07:55,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 162.0) internal successors, (2754), 17 states have internal predecessors, (2754), 0 states have call successors, (0), 0 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 11:07:55,729 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 162.0) internal successors, (2754), 17 states have internal predecessors, (2754), 0 states have call successors, (0), 0 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 11:07:55,729 INFO L185 Difference]: Start difference. First operand has 96 places, 79 transitions, 767 flow. Second operand 16 states and 1849 transitions. [2021-03-24 11:07:55,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 114 transitions, 1462 flow [2021-03-24 11:07:55,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 114 transitions, 1413 flow, removed 19 selfloop flow, removed 7 redundant places. [2021-03-24 11:07:55,747 INFO L241 Difference]: Finished difference. Result has 107 places, 75 transitions, 746 flow [2021-03-24 11:07:55,747 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=746, PETRI_PLACES=107, PETRI_TRANSITIONS=75} [2021-03-24 11:07:55,747 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 60 predicate places. [2021-03-24 11:07:55,747 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 75 transitions, 746 flow [2021-03-24 11:07:55,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 113.33333333333333) internal successors, (1360), 12 states have internal predecessors, (1360), 0 states have call successors, (0), 0 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 11:07:55,751 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:55,751 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] [2021-03-24 11:07:55,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 11:07:55,751 INFO L428 AbstractCegarLoop]: === Iteration 13 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:55,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:55,752 INFO L82 PathProgramCache]: Analyzing trace with hash -818698007, now seen corresponding path program 1 times [2021-03-24 11:07:55,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:55,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139332343] [2021-03-24 11:07:55,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:55,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:55,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:55,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:55,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:55,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:55,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:07:55,827 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 11:07:55,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 11:07:55,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:55,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:55,837 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 11:07:55,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139332343] [2021-03-24 11:07:55,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:55,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 11:07:55,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999910523] [2021-03-24 11:07:55,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 11:07:55,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:55,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 11:07:55,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 11:07:55,839 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 162 [2021-03-24 11:07:55,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 75 transitions, 746 flow. Second operand has 5 states, 5 states have (on average 132.8) internal successors, (664), 5 states have internal predecessors, (664), 0 states have call successors, (0), 0 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 11:07:55,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:55,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 162 [2021-03-24 11:07:55,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:56,008 INFO L129 PetriNetUnfolder]: 400/896 cut-off events. [2021-03-24 11:07:56,008 INFO L130 PetriNetUnfolder]: For 4694/5094 co-relation queries the response was YES. [2021-03-24 11:07:56,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3179 conditions, 896 events. 400/896 cut-off events. For 4694/5094 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 6242 event pairs, 123 based on Foata normal form. 227/1071 useless extension candidates. Maximal degree in co-relation 3122. Up to 468 conditions per place. [2021-03-24 11:07:56,016 INFO L132 encePairwiseOnDemand]: 155/162 looper letters, 15 selfloop transitions, 13 changer transitions 0/87 dead transitions. [2021-03-24 11:07:56,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 87 transitions, 782 flow [2021-03-24 11:07:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 11:07:56,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 11:07:56,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 951 transitions. [2021-03-24 11:07:56,018 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8386243386243386 [2021-03-24 11:07:56,018 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 951 transitions. [2021-03-24 11:07:56,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 951 transitions. [2021-03-24 11:07:56,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:56,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 951 transitions. [2021-03-24 11:07:56,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 135.85714285714286) internal successors, (951), 7 states have internal predecessors, (951), 0 states have call successors, (0), 0 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 11:07:56,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 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 11:07:56,022 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 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 11:07:56,023 INFO L185 Difference]: Start difference. First operand has 107 places, 75 transitions, 746 flow. Second operand 7 states and 951 transitions. [2021-03-24 11:07:56,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 87 transitions, 782 flow [2021-03-24 11:07:56,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 87 transitions, 695 flow, removed 15 selfloop flow, removed 17 redundant places. [2021-03-24 11:07:56,033 INFO L241 Difference]: Finished difference. Result has 96 places, 81 transitions, 709 flow [2021-03-24 11:07:56,033 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=709, PETRI_PLACES=96, PETRI_TRANSITIONS=81} [2021-03-24 11:07:56,033 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 49 predicate places. [2021-03-24 11:07:56,033 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 81 transitions, 709 flow [2021-03-24 11:07:56,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 132.8) internal successors, (664), 5 states have internal predecessors, (664), 0 states have call successors, (0), 0 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 11:07:56,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:56,034 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 11:07:56,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 11:07:56,034 INFO L428 AbstractCegarLoop]: === Iteration 14 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:56,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:56,034 INFO L82 PathProgramCache]: Analyzing trace with hash 52097211, now seen corresponding path program 1 times [2021-03-24 11:07:56,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:56,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556047744] [2021-03-24 11:07:56,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:56,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:56,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:56,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:56,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:07:56,106 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 11:07:56,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 11:07:56,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:56,122 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 11:07:56,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556047744] [2021-03-24 11:07:56,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:56,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 11:07:56,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514429025] [2021-03-24 11:07:56,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 11:07:56,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:56,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 11:07:56,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 11:07:56,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 162 [2021-03-24 11:07:56,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 81 transitions, 709 flow. Second operand has 6 states, 6 states have (on average 132.83333333333334) internal successors, (797), 6 states have internal predecessors, (797), 0 states have call successors, (0), 0 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 11:07:56,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:56,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 162 [2021-03-24 11:07:56,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:56,300 INFO L129 PetriNetUnfolder]: 302/770 cut-off events. [2021-03-24 11:07:56,300 INFO L130 PetriNetUnfolder]: For 5084/6490 co-relation queries the response was YES. [2021-03-24 11:07:56,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3560 conditions, 770 events. 302/770 cut-off events. For 5084/6490 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 5549 event pairs, 14 based on Foata normal form. 634/1371 useless extension candidates. Maximal degree in co-relation 3514. Up to 409 conditions per place. [2021-03-24 11:07:56,307 INFO L132 encePairwiseOnDemand]: 155/162 looper letters, 6 selfloop transitions, 26 changer transitions 6/95 dead transitions. [2021-03-24 11:07:56,307 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 95 transitions, 861 flow [2021-03-24 11:07:56,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 11:07:56,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 11:07:56,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1358 transitions. [2021-03-24 11:07:56,309 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8382716049382716 [2021-03-24 11:07:56,309 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1358 transitions. [2021-03-24 11:07:56,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1358 transitions. [2021-03-24 11:07:56,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:56,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1358 transitions. [2021-03-24 11:07:56,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 135.8) internal successors, (1358), 10 states have internal predecessors, (1358), 0 states have call successors, (0), 0 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 11:07:56,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 162.0) internal successors, (1782), 11 states have internal predecessors, (1782), 0 states have call successors, (0), 0 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 11:07:56,315 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 162.0) internal successors, (1782), 11 states have internal predecessors, (1782), 0 states have call successors, (0), 0 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 11:07:56,315 INFO L185 Difference]: Start difference. First operand has 96 places, 81 transitions, 709 flow. Second operand 10 states and 1358 transitions. [2021-03-24 11:07:56,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 95 transitions, 861 flow [2021-03-24 11:07:56,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 95 transitions, 846 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-24 11:07:56,327 INFO L241 Difference]: Finished difference. Result has 106 places, 89 transitions, 808 flow [2021-03-24 11:07:56,328 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=808, PETRI_PLACES=106, PETRI_TRANSITIONS=89} [2021-03-24 11:07:56,328 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 59 predicate places. [2021-03-24 11:07:56,328 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 89 transitions, 808 flow [2021-03-24 11:07:56,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 132.83333333333334) internal successors, (797), 6 states have internal predecessors, (797), 0 states have call successors, (0), 0 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 11:07:56,328 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:56,328 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] [2021-03-24 11:07:56,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-24 11:07:56,329 INFO L428 AbstractCegarLoop]: === Iteration 15 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:56,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:56,329 INFO L82 PathProgramCache]: Analyzing trace with hash 2008868847, now seen corresponding path program 1 times [2021-03-24 11:07:56,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:56,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412100230] [2021-03-24 11:07:56,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:56,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:56,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:56,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:56,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:56,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:07:56,426 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 11:07:56,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 11:07:56,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:56,435 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 11:07:56,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412100230] [2021-03-24 11:07:56,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:56,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 11:07:56,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198949821] [2021-03-24 11:07:56,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 11:07:56,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:56,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 11:07:56,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 11:07:56,438 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 162 [2021-03-24 11:07:56,439 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 89 transitions, 808 flow. Second operand has 7 states, 7 states have (on average 132.85714285714286) internal successors, (930), 7 states have internal predecessors, (930), 0 states have call successors, (0), 0 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 11:07:56,439 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:56,439 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 162 [2021-03-24 11:07:56,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:56,673 INFO L129 PetriNetUnfolder]: 236/660 cut-off events. [2021-03-24 11:07:56,673 INFO L130 PetriNetUnfolder]: For 6206/8398 co-relation queries the response was YES. [2021-03-24 11:07:56,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3609 conditions, 660 events. 236/660 cut-off events. For 6206/8398 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 4940 event pairs, 0 based on Foata normal form. 674/1302 useless extension candidates. Maximal degree in co-relation 3559. Up to 348 conditions per place. [2021-03-24 11:07:56,679 INFO L132 encePairwiseOnDemand]: 155/162 looper letters, 3 selfloop transitions, 31 changer transitions 12/98 dead transitions. [2021-03-24 11:07:56,679 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 98 transitions, 968 flow [2021-03-24 11:07:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 11:07:56,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 11:07:56,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1756 transitions. [2021-03-24 11:07:56,684 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8338081671415005 [2021-03-24 11:07:56,684 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1756 transitions. [2021-03-24 11:07:56,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1756 transitions. [2021-03-24 11:07:56,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:56,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1756 transitions. [2021-03-24 11:07:56,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 135.07692307692307) internal successors, (1756), 13 states have internal predecessors, (1756), 0 states have call successors, (0), 0 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 11:07:56,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 162.0) internal successors, (2268), 14 states have internal predecessors, (2268), 0 states have call successors, (0), 0 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 11:07:56,693 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 162.0) internal successors, (2268), 14 states have internal predecessors, (2268), 0 states have call successors, (0), 0 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 11:07:56,693 INFO L185 Difference]: Start difference. First operand has 106 places, 89 transitions, 808 flow. Second operand 13 states and 1756 transitions. [2021-03-24 11:07:56,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 98 transitions, 968 flow [2021-03-24 11:07:56,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 98 transitions, 821 flow, removed 53 selfloop flow, removed 8 redundant places. [2021-03-24 11:07:56,728 INFO L241 Difference]: Finished difference. Result has 115 places, 86 transitions, 728 flow [2021-03-24 11:07:56,728 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=728, PETRI_PLACES=115, PETRI_TRANSITIONS=86} [2021-03-24 11:07:56,728 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 68 predicate places. [2021-03-24 11:07:56,728 INFO L480 AbstractCegarLoop]: Abstraction has has 115 places, 86 transitions, 728 flow [2021-03-24 11:07:56,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 132.85714285714286) internal successors, (930), 7 states have internal predecessors, (930), 0 states have call successors, (0), 0 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 11:07:56,729 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:56,729 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, 1] [2021-03-24 11:07:56,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-24 11:07:56,729 INFO L428 AbstractCegarLoop]: === Iteration 16 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:56,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:56,730 INFO L82 PathProgramCache]: Analyzing trace with hash -111384214, now seen corresponding path program 1 times [2021-03-24 11:07:56,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:56,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919394834] [2021-03-24 11:07:56,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:56,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:56,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:56,809 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-24 11:07:56,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 11:07:56,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:07:56,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:56,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:56,838 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:07:56,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:07:56,844 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 11:07:56,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919394834] [2021-03-24 11:07:56,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:56,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 11:07:56,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796588457] [2021-03-24 11:07:56,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 11:07:56,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:56,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 11:07:56,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 11:07:56,848 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 162 [2021-03-24 11:07:56,848 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 86 transitions, 728 flow. Second operand has 7 states, 7 states have (on average 118.42857142857143) internal successors, (829), 7 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:07:56,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:56,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 162 [2021-03-24 11:07:56,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:57,048 INFO L129 PetriNetUnfolder]: 243/697 cut-off events. [2021-03-24 11:07:57,048 INFO L130 PetriNetUnfolder]: For 3471/3609 co-relation queries the response was YES. [2021-03-24 11:07:57,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3075 conditions, 697 events. 243/697 cut-off events. For 3471/3609 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 5349 event pairs, 0 based on Foata normal form. 41/701 useless extension candidates. Maximal degree in co-relation 3018. Up to 182 conditions per place. [2021-03-24 11:07:57,054 INFO L132 encePairwiseOnDemand]: 153/162 looper letters, 30 selfloop transitions, 9 changer transitions 8/92 dead transitions. [2021-03-24 11:07:57,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 92 transitions, 894 flow [2021-03-24 11:07:57,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 11:07:57,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 11:07:57,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 956 transitions. [2021-03-24 11:07:57,056 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7376543209876543 [2021-03-24 11:07:57,056 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 956 transitions. [2021-03-24 11:07:57,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 956 transitions. [2021-03-24 11:07:57,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:57,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 956 transitions. [2021-03-24 11:07:57,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 119.5) internal successors, (956), 8 states have internal predecessors, (956), 0 states have call successors, (0), 0 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 11:07:57,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 162.0) internal successors, (1458), 9 states have internal predecessors, (1458), 0 states have call successors, (0), 0 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 11:07:57,062 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 162.0) internal successors, (1458), 9 states have internal predecessors, (1458), 0 states have call successors, (0), 0 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 11:07:57,062 INFO L185 Difference]: Start difference. First operand has 115 places, 86 transitions, 728 flow. Second operand 8 states and 956 transitions. [2021-03-24 11:07:57,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 92 transitions, 894 flow [2021-03-24 11:07:57,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 92 transitions, 812 flow, removed 16 selfloop flow, removed 11 redundant places. [2021-03-24 11:07:57,098 INFO L241 Difference]: Finished difference. Result has 113 places, 84 transitions, 668 flow [2021-03-24 11:07:57,098 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=668, PETRI_PLACES=113, PETRI_TRANSITIONS=84} [2021-03-24 11:07:57,098 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 66 predicate places. [2021-03-24 11:07:57,098 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 84 transitions, 668 flow [2021-03-24 11:07:57,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 118.42857142857143) internal successors, (829), 7 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:07:57,099 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:57,099 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, 1] [2021-03-24 11:07:57,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-24 11:07:57,099 INFO L428 AbstractCegarLoop]: === Iteration 17 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:57,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:57,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1160883750, now seen corresponding path program 2 times [2021-03-24 11:07:57,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:57,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387788292] [2021-03-24 11:07:57,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:07:57,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:57,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:07:57,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:57,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:07:57,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:57,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:07:57,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:57,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:07:57,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:57,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:07:57,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:07:57,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 11:07:57,228 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-03-24 11:07:57,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 11:07:57,243 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 11:07:57,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 11:07:57,252 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:07:57,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:07:57,259 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 11:07:57,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387788292] [2021-03-24 11:07:57,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:07:57,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 11:07:57,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728933817] [2021-03-24 11:07:57,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 11:07:57,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:07:57,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 11:07:57,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-24 11:07:57,263 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 162 [2021-03-24 11:07:57,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 84 transitions, 668 flow. Second operand has 10 states, 10 states have (on average 114.7) internal successors, (1147), 10 states have internal predecessors, (1147), 0 states have call successors, (0), 0 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 11:07:57,264 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:07:57,264 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 162 [2021-03-24 11:07:57,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:07:57,580 INFO L129 PetriNetUnfolder]: 221/632 cut-off events. [2021-03-24 11:07:57,581 INFO L130 PetriNetUnfolder]: For 2060/2140 co-relation queries the response was YES. [2021-03-24 11:07:57,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2511 conditions, 632 events. 221/632 cut-off events. For 2060/2140 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 4648 event pairs, 0 based on Foata normal form. 40/632 useless extension candidates. Maximal degree in co-relation 2479. Up to 168 conditions per place. [2021-03-24 11:07:57,586 INFO L132 encePairwiseOnDemand]: 150/162 looper letters, 11 selfloop transitions, 17 changer transitions 16/87 dead transitions. [2021-03-24 11:07:57,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 87 transitions, 791 flow [2021-03-24 11:07:57,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 11:07:57,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 11:07:57,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1274 transitions. [2021-03-24 11:07:57,588 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7149270482603816 [2021-03-24 11:07:57,588 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1274 transitions. [2021-03-24 11:07:57,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1274 transitions. [2021-03-24 11:07:57,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:07:57,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1274 transitions. [2021-03-24 11:07:57,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 115.81818181818181) internal successors, (1274), 11 states have internal predecessors, (1274), 0 states have call successors, (0), 0 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 11:07:57,592 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 162.0) internal successors, (1944), 12 states have internal predecessors, (1944), 0 states have call successors, (0), 0 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 11:07:57,593 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 162.0) internal successors, (1944), 12 states have internal predecessors, (1944), 0 states have call successors, (0), 0 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 11:07:57,593 INFO L185 Difference]: Start difference. First operand has 113 places, 84 transitions, 668 flow. Second operand 11 states and 1274 transitions. [2021-03-24 11:07:57,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 87 transitions, 791 flow [2021-03-24 11:07:57,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 87 transitions, 742 flow, removed 18 selfloop flow, removed 8 redundant places. [2021-03-24 11:07:57,612 INFO L241 Difference]: Finished difference. Result has 112 places, 71 transitions, 548 flow [2021-03-24 11:07:57,612 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=548, PETRI_PLACES=112, PETRI_TRANSITIONS=71} [2021-03-24 11:07:57,612 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 65 predicate places. [2021-03-24 11:07:57,612 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 71 transitions, 548 flow [2021-03-24 11:07:57,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 114.7) internal successors, (1147), 10 states have internal predecessors, (1147), 0 states have call successors, (0), 0 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 11:07:57,613 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:07:57,613 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, 1] [2021-03-24 11:07:57,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-24 11:07:57,613 INFO L428 AbstractCegarLoop]: === Iteration 18 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:07:57,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:07:57,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1779625838, now seen corresponding path program 3 times [2021-03-24 11:07:57,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:07:57,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541026062] [2021-03-24 11:07:57,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:07:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 11:07:57,685 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 11:07:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 11:07:57,746 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 11:07:57,797 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 11:07:57,797 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 11:07:57,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-24 11:07:57,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 11:07:57 BasicIcfg [2021-03-24 11:07:57,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 11:07:57,916 INFO L168 Benchmark]: Toolchain (without parser) took 17716.29 ms. Allocated memory was 255.9 MB in the beginning and 713.0 MB in the end (delta: 457.2 MB). Free memory was 233.8 MB in the beginning and 337.5 MB in the end (delta: -103.6 MB). Peak memory consumption was 354.6 MB. Max. memory is 16.0 GB. [2021-03-24 11:07:57,916 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 255.9 MB. Free memory was 238.2 MB in the beginning and 238.1 MB in the end (delta: 82.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 11:07:57,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.42 ms. Allocated memory was 255.9 MB in the beginning and 369.1 MB in the end (delta: 113.2 MB). Free memory was 233.4 MB in the beginning and 327.2 MB in the end (delta: -93.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-24 11:07:57,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.71 ms. Allocated memory is still 369.1 MB. Free memory was 327.2 MB in the beginning and 324.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-24 11:07:57,917 INFO L168 Benchmark]: Boogie Preprocessor took 49.88 ms. Allocated memory is still 369.1 MB. Free memory was 324.2 MB in the beginning and 321.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 11:07:57,917 INFO L168 Benchmark]: RCFGBuilder took 2817.52 ms. Allocated memory was 369.1 MB in the beginning and 444.6 MB in the end (delta: 75.5 MB). Free memory was 321.2 MB in the beginning and 335.8 MB in the end (delta: -14.6 MB). Peak memory consumption was 93.9 MB. Max. memory is 16.0 GB. [2021-03-24 11:07:57,917 INFO L168 Benchmark]: TraceAbstraction took 14278.50 ms. Allocated memory was 444.6 MB in the beginning and 713.0 MB in the end (delta: 268.4 MB). Free memory was 335.8 MB in the beginning and 337.5 MB in the end (delta: -1.6 MB). Peak memory consumption was 266.8 MB. Max. memory is 16.0 GB. [2021-03-24 11:07:57,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 255.9 MB. Free memory was 238.2 MB in the beginning and 238.1 MB in the end (delta: 82.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 516.42 ms. Allocated memory was 255.9 MB in the beginning and 369.1 MB in the end (delta: 113.2 MB). Free memory was 233.4 MB in the beginning and 327.2 MB in the end (delta: -93.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 43.71 ms. Allocated memory is still 369.1 MB. Free memory was 327.2 MB in the beginning and 324.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 49.88 ms. Allocated memory is still 369.1 MB. Free memory was 324.2 MB in the beginning and 321.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2817.52 ms. Allocated memory was 369.1 MB in the beginning and 444.6 MB in the end (delta: 75.5 MB). Free memory was 321.2 MB in the beginning and 335.8 MB in the end (delta: -14.6 MB). Peak memory consumption was 93.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 14278.50 ms. Allocated memory was 444.6 MB in the beginning and 713.0 MB in the end (delta: 268.4 MB). Free memory was 335.8 MB in the beginning and 337.5 MB in the end (delta: -1.6 MB). Peak memory consumption was 266.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5310.6ms, 102 PlacesBefore, 47 PlacesAfterwards, 94 TransitionsBefore, 38 TransitionsAfterwards, 1668 CoEnabledTransitionPairs, 6 FixpointIterations, 25 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 65 TotalNumberOfCompositions, 3146 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1371, positive: 1282, positive conditional: 0, positive unconditional: 1282, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 810, positive: 785, positive conditional: 0, positive unconditional: 785, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 810, positive: 785, positive conditional: 0, positive unconditional: 785, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1371, positive: 497, positive conditional: 0, positive unconditional: 497, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 810, unknown conditional: 0, unknown unconditional: 810] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 - 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_p1_EAX = 0; [L715] 0 _Bool main$tmp_guard0; [L716] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L718] 0 int x = 0; [L719] 0 _Bool x$flush_delayed; [L720] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L721] 0 _Bool x$r_buff0_thd0; [L722] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L723] 0 _Bool x$r_buff0_thd2; [L724] 0 _Bool x$r_buff0_thd3; [L725] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0] [L726] 0 _Bool x$r_buff1_thd1; [L727] 0 _Bool x$r_buff1_thd2; [L728] 0 _Bool x$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0] [L729] 0 _Bool x$read_delayed; [L730] 0 int *x$read_delayed_var; [L731] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L732] 0 _Bool x$w_buff0_used; [L733] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L734] 0 _Bool x$w_buff1_used; [L736] 0 int y = 0; [L737] 0 _Bool weak$$choice0; [L738] 0 _Bool weak$$choice2; [L849] 0 pthread_t t2543; [L850] FCALL, FORK 0 pthread_create(&t2543, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L851] 0 pthread_t t2544; [L852] FCALL, FORK 0 pthread_create(&t2544, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L853] 0 pthread_t t2545; [L854] FCALL, FORK 0 pthread_create(&t2545, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L812] 3 x$w_buff1 = x$w_buff0 [L813] 3 x$w_buff0 = 2 [L814] 3 x$w_buff1_used = x$w_buff0_used [L815] 3 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 3 !(!expression) [L817] 3 x$r_buff1_thd0 = x$r_buff0_thd0 [L818] 3 x$r_buff1_thd1 = x$r_buff0_thd1 [L819] 3 x$r_buff1_thd2 = x$r_buff0_thd2 [L820] 3 x$r_buff1_thd3 = x$r_buff0_thd3 [L821] 3 x$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L824] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L742] 1 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L747] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L748] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L749] 1 x$flush_delayed = weak$$choice2 [L750] 1 x$mem_tmp = x [L751] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L751] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L752] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L753] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L754] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L755] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L757] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] 1 __unbuffered_p0_EAX = x [L759] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L759] 1 x = x$flush_delayed ? x$mem_tmp : x [L760] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L772] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L775] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L775] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L775] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L775] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L776] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L776] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L777] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L777] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L778] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L778] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L779] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L779] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L782] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L783] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L784] 2 x$flush_delayed = weak$$choice2 [L785] 2 x$mem_tmp = x [L786] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L786] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L787] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L787] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0) [L787] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L787] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L788] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L788] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1) [L788] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L788] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L789] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L789] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used) [L789] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L789] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L790] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L790] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L791] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L791] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2) [L791] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L791] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L792] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L792] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L792] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L792] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L793] 2 __unbuffered_p1_EAX = x [L794] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L794] 2 x = x$flush_delayed ? x$mem_tmp : x [L795] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, 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=0, x=1, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L798] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L798] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L799] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L799] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L800] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L800] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L801] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L801] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L802] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L802] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L827] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L827] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L828] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L828] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L829] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L829] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L830] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L830] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L831] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L831] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L767] 1 return 0; [L834] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L836] 3 return 0; [L805] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L807] 2 return 0; [L856] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L861] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L861] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L862] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L862] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L863] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L863] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L864] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L864] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L867] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L868] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L869] 0 x$flush_delayed = weak$$choice2 [L870] 0 x$mem_tmp = x [L871] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L871] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L872] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L872] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L873] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L873] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L874] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L874] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L875] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L876] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L877] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L878] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1) [L879] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L879] 0 x = x$flush_delayed ? x$mem_tmp : x [L880] 0 x$flush_delayed = (_Bool)0 [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 13989.5ms, OverallIterations: 18, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 5413.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5379.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 145 SDtfs, 318 SDslu, 289 SDs, 0 SdLazy, 1122 SolverSat, 497 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1614.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 1832.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=808occurred in iteration=14, InterpolantAutomatonStates: 160, 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: 72.2ms SsaConstructionTime, 786.5ms SatisfiabilityAnalysisTime, 1973.3ms InterpolantComputationTime, 488 NumberOfCodeBlocks, 488 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 438 ConstructedInterpolants, 0 QuantifiedInterpolants, 3032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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...