/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/safe023_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 11:05:20,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 11:05:20,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 11:05:20,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 11:05:20,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 11:05:20,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 11:05:20,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 11:05:20,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 11:05:20,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 11:05:20,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 11:05:20,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 11:05:20,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 11:05:20,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 11:05:20,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 11:05:20,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 11:05:20,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 11:05:20,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 11:05:20,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 11:05:20,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 11:05:20,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 11:05:20,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 11:05:20,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 11:05:20,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 11:05:20,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 11:05:20,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 11:05:20,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 11:05:20,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 11:05:20,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 11:05:20,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 11:05:20,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 11:05:20,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 11:05:20,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 11:05:20,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 11:05:20,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 11:05:20,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 11:05:20,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 11:05:20,676 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 11:05:20,702 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 11:05:20,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 11:05:20,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 11:05:20,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 11:05:20,705 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 11:05:20,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 11:05:20,705 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 11:05:20,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 11:05:20,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 11:05:20,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 11:05:20,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 11:05:20,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 11:05:20,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 11:05:20,707 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 11:05:20,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 11:05:20,707 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 11:05:20,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 11:05:20,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 11:05:20,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 11:05:20,707 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 11:05:20,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 11:05:20,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 11:05:20,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 11:05:20,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 11:05:20,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 11:05:20,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 11:05:20,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 11:05:20,708 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 11:05:20,709 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 11:05:20,709 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 11:05:20,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 11:05:20,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 11:05:20,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 11:05:20,981 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 11:05:20,982 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 11:05:20,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe023_power.oepc.i [2021-03-24 11:05:21,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04bc96691/ce2a7e624dfd4ccbbffebaee367ccc32/FLAGddc53a0a6 [2021-03-24 11:05:21,464 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 11:05:21,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_power.oepc.i [2021-03-24 11:05:21,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04bc96691/ce2a7e624dfd4ccbbffebaee367ccc32/FLAGddc53a0a6 [2021-03-24 11:05:21,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04bc96691/ce2a7e624dfd4ccbbffebaee367ccc32 [2021-03-24 11:05:21,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 11:05:21,488 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 11:05:21,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 11:05:21,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 11:05:21,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 11:05:21,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 11:05:21" (1/1) ... [2021-03-24 11:05:21,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c74a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:21, skipping insertion in model container [2021-03-24 11:05:21,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 11:05:21" (1/1) ... [2021-03-24 11:05:21,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 11:05:21,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 11:05:21,630 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_power.oepc.i[995,1008] [2021-03-24 11:05:21,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 11:05:21,814 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 11:05:21,821 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_power.oepc.i[995,1008] [2021-03-24 11:05:21,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 11:05:21,885 INFO L208 MainTranslator]: Completed translation [2021-03-24 11:05:21,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:21 WrapperNode [2021-03-24 11:05:21,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 11:05:21,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 11:05:21,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 11:05:21,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 11:05:21,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:21" (1/1) ... [2021-03-24 11:05:21,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:21" (1/1) ... [2021-03-24 11:05:21,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 11:05:21,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 11:05:21,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 11:05:21,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 11:05:21,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:21" (1/1) ... [2021-03-24 11:05:21,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:21" (1/1) ... [2021-03-24 11:05:21,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:21" (1/1) ... [2021-03-24 11:05:21,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:21" (1/1) ... [2021-03-24 11:05:21,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:21" (1/1) ... [2021-03-24 11:05:21,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:21" (1/1) ... [2021-03-24 11:05:21,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:21" (1/1) ... [2021-03-24 11:05:21,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 11:05:21,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 11:05:21,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 11:05:21,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 11:05:21,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:21" (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 11:05:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 11:05:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 11:05:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 11:05:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 11:05:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 11:05:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 11:05:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 11:05:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 11:05:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 11:05:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 11:05:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 11:05:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 11:05:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 11:05:22,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 11:05:22,040 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 11:05:24,150 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 11:05:24,151 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 11:05:24,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 11:05:24 BoogieIcfgContainer [2021-03-24 11:05:24,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 11:05:24,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 11:05:24,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 11:05:24,155 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 11:05:24,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 11:05:21" (1/3) ... [2021-03-24 11:05:24,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f224ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 11:05:24, skipping insertion in model container [2021-03-24 11:05:24,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:21" (2/3) ... [2021-03-24 11:05:24,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f224ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 11:05:24, skipping insertion in model container [2021-03-24 11:05:24,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 11:05:24" (3/3) ... [2021-03-24 11:05:24,157 INFO L111 eAbstractionObserver]: Analyzing ICFG safe023_power.oepc.i [2021-03-24 11:05:24,161 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 11:05:24,164 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 11:05:24,164 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 11:05:24,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,204 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,204 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,205 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,205 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,206 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,206 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,206 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,206 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,206 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,206 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,206 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,206 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,207 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,207 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,207 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,207 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,207 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,224 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,226 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,226 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,226 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,227 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,227 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,227 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,227 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,227 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,229 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,230 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,230 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,230 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,252 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,252 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,252 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:24,256 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 11:05:24,270 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-24 11:05:24,286 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 11:05:24,286 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 11:05:24,286 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 11:05:24,286 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 11:05:24,286 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 11:05:24,286 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 11:05:24,286 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 11:05:24,286 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 11:05:24,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2021-03-24 11:05:24,327 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-03-24 11:05:24,327 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:24,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-24 11:05:24,329 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 99 transitions, 213 flow [2021-03-24 11:05:24,332 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 96 transitions, 201 flow [2021-03-24 11:05:24,333 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 11:05:24,337 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 201 flow [2021-03-24 11:05:24,339 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 201 flow [2021-03-24 11:05:24,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 201 flow [2021-03-24 11:05:24,353 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-03-24 11:05:24,353 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:24,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-24 11:05:24,355 INFO L142 LiptonReduction]: Number of co-enabled transitions 1786 [2021-03-24 11:05:24,810 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 11:05:25,131 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-24 11:05:25,259 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-24 11:05:26,422 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-24 11:05:26,667 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-24 11:05:27,822 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-24 11:05:28,298 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-24 11:05:28,592 INFO L154 LiptonReduction]: Checked pairs total: 3300 [2021-03-24 11:05:28,592 INFO L156 LiptonReduction]: Total number of compositions: 62 [2021-03-24 11:05:28,593 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4261 [2021-03-24 11:05:28,600 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-24 11:05:28,600 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:28,600 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:28,600 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:28,601 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:28,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:28,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1498083627, now seen corresponding path program 1 times [2021-03-24 11:05:28,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:28,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425330585] [2021-03-24 11:05:28,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:28,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:28,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:28,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:28,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:28,767 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 11:05:28,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425330585] [2021-03-24 11:05:28,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:28,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 11:05:28,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745030397] [2021-03-24 11:05:28,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 11:05:28,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:28,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 11:05:28,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 11:05:28,781 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 161 [2021-03-24 11:05:28,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:28,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:28,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 161 [2021-03-24 11:05:28,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:28,903 INFO L129 PetriNetUnfolder]: 190/443 cut-off events. [2021-03-24 11:05:28,903 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:28,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 443 events. 190/443 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2572 event pairs, 40 based on Foata normal form. 32/457 useless extension candidates. Maximal degree in co-relation 733. Up to 223 conditions per place. [2021-03-24 11:05:28,910 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 15 selfloop transitions, 2 changer transitions 0/44 dead transitions. [2021-03-24 11:05:28,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 131 flow [2021-03-24 11:05:28,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 11:05:28,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 11:05:28,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2021-03-24 11:05:28,923 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8923395445134575 [2021-03-24 11:05:28,923 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 431 transitions. [2021-03-24 11:05:28,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 431 transitions. [2021-03-24 11:05:28,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:28,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 431 transitions. [2021-03-24 11:05:28,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:28,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:28,936 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:28,937 INFO L185 Difference]: Start difference. First operand has 49 places, 40 transitions, 89 flow. Second operand 3 states and 431 transitions. [2021-03-24 11:05:28,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 131 flow [2021-03-24 11:05:28,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 44 transitions, 128 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-24 11:05:28,940 INFO L241 Difference]: Finished difference. Result has 46 places, 37 transitions, 84 flow [2021-03-24 11:05:28,941 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2021-03-24 11:05:28,942 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2021-03-24 11:05:28,942 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 84 flow [2021-03-24 11:05:28,942 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 11:05:28,942 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:28,942 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:28,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 11:05:28,942 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:28,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:28,943 INFO L82 PathProgramCache]: Analyzing trace with hash 463185172, now seen corresponding path program 1 times [2021-03-24 11:05:28,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:28,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281646408] [2021-03-24 11:05:28,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:29,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:29,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:29,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:29,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:29,055 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:29,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:29,062 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 11:05:29,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281646408] [2021-03-24 11:05:29,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:29,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 11:05:29,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460948219] [2021-03-24 11:05:29,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 11:05:29,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:29,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 11:05:29,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 11:05:29,066 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 161 [2021-03-24 11:05:29,067 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 84 flow. Second operand has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,067 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:29,067 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 161 [2021-03-24 11:05:29,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:29,092 INFO L129 PetriNetUnfolder]: 1/51 cut-off events. [2021-03-24 11:05:29,092 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:29,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 102 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 55. Up to 5 conditions per place. [2021-03-24 11:05:29,093 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 2 selfloop transitions, 2 changer transitions 9/41 dead transitions. [2021-03-24 11:05:29,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 41 transitions, 110 flow [2021-03-24 11:05:29,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 11:05:29,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 11:05:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 721 transitions. [2021-03-24 11:05:29,095 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8956521739130435 [2021-03-24 11:05:29,095 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 721 transitions. [2021-03-24 11:05:29,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 721 transitions. [2021-03-24 11:05:29,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:29,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 721 transitions. [2021-03-24 11:05:29,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 144.2) internal successors, (721), 5 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,098 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,098 INFO L185 Difference]: Start difference. First operand has 46 places, 37 transitions, 84 flow. Second operand 5 states and 721 transitions. [2021-03-24 11:05:29,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 41 transitions, 110 flow [2021-03-24 11:05:29,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 41 transitions, 106 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 11:05:29,099 INFO L241 Difference]: Finished difference. Result has 51 places, 32 transitions, 82 flow [2021-03-24 11:05:29,100 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=82, PETRI_PLACES=51, PETRI_TRANSITIONS=32} [2021-03-24 11:05:29,100 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 2 predicate places. [2021-03-24 11:05:29,100 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 32 transitions, 82 flow [2021-03-24 11:05:29,100 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 11:05:29,100 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:29,100 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:29,101 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 11:05:29,101 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:29,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:29,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1433297591, now seen corresponding path program 1 times [2021-03-24 11:05:29,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:29,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101791124] [2021-03-24 11:05:29,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:29,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:29,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:29,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:29,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:29,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:29,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:29,178 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:29,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:29,182 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 11:05:29,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101791124] [2021-03-24 11:05:29,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:29,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 11:05:29,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747713110] [2021-03-24 11:05:29,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 11:05:29,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:29,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 11:05:29,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 11:05:29,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 161 [2021-03-24 11:05:29,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 32 transitions, 82 flow. Second operand has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:29,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 161 [2021-03-24 11:05:29,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:29,219 INFO L129 PetriNetUnfolder]: 1/42 cut-off events. [2021-03-24 11:05:29,219 INFO L130 PetriNetUnfolder]: For 10/12 co-relation queries the response was YES. [2021-03-24 11:05:29,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 42 events. 1/42 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 80 event pairs, 0 based on Foata normal form. 3/45 useless extension candidates. Maximal degree in co-relation 64. Up to 6 conditions per place. [2021-03-24 11:05:29,220 INFO L132 encePairwiseOnDemand]: 156/161 looper letters, 2 selfloop transitions, 3 changer transitions 4/36 dead transitions. [2021-03-24 11:05:29,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 36 transitions, 115 flow [2021-03-24 11:05:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 11:05:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 11:05:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 833 transitions. [2021-03-24 11:05:29,222 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8623188405797102 [2021-03-24 11:05:29,222 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 833 transitions. [2021-03-24 11:05:29,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 833 transitions. [2021-03-24 11:05:29,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:29,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 833 transitions. [2021-03-24 11:05:29,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 138.83333333333334) internal successors, (833), 6 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,225 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,225 INFO L185 Difference]: Start difference. First operand has 51 places, 32 transitions, 82 flow. Second operand 6 states and 833 transitions. [2021-03-24 11:05:29,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 36 transitions, 115 flow [2021-03-24 11:05:29,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 105 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 11:05:29,226 INFO L241 Difference]: Finished difference. Result has 49 places, 32 transitions, 92 flow [2021-03-24 11:05:29,227 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=92, PETRI_PLACES=49, PETRI_TRANSITIONS=32} [2021-03-24 11:05:29,227 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 0 predicate places. [2021-03-24 11:05:29,227 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 32 transitions, 92 flow [2021-03-24 11:05:29,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,227 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:29,227 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 11:05:29,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 11:05:29,227 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:29,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:29,228 INFO L82 PathProgramCache]: Analyzing trace with hash 801831238, now seen corresponding path program 1 times [2021-03-24 11:05:29,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:29,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053003548] [2021-03-24 11:05:29,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:29,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:29,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:29,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:29,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:29,264 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:29,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:29,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:29,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053003548] [2021-03-24 11:05:29,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:29,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 11:05:29,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364188156] [2021-03-24 11:05:29,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 11:05:29,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:29,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 11:05:29,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 11:05:29,269 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 161 [2021-03-24 11:05:29,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 32 transitions, 92 flow. Second operand has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:29,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 161 [2021-03-24 11:05:29,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:29,292 INFO L129 PetriNetUnfolder]: 0/36 cut-off events. [2021-03-24 11:05:29,292 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-03-24 11:05:29,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 36 events. 0/36 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 0 based on Foata normal form. 2/38 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-24 11:05:29,292 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 2 selfloop transitions, 2 changer transitions 2/34 dead transitions. [2021-03-24 11:05:29,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 34 transitions, 114 flow [2021-03-24 11:05:29,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 11:05:29,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 11:05:29,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 723 transitions. [2021-03-24 11:05:29,294 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8981366459627329 [2021-03-24 11:05:29,294 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 723 transitions. [2021-03-24 11:05:29,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 723 transitions. [2021-03-24 11:05:29,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:29,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 723 transitions. [2021-03-24 11:05:29,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 144.6) internal successors, (723), 5 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,297 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,297 INFO L185 Difference]: Start difference. First operand has 49 places, 32 transitions, 92 flow. Second operand 5 states and 723 transitions. [2021-03-24 11:05:29,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 34 transitions, 114 flow [2021-03-24 11:05:29,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 34 transitions, 94 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-24 11:05:29,298 INFO L241 Difference]: Finished difference. Result has 48 places, 32 transitions, 88 flow [2021-03-24 11:05:29,299 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=88, PETRI_PLACES=48, PETRI_TRANSITIONS=32} [2021-03-24 11:05:29,299 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2021-03-24 11:05:29,299 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 32 transitions, 88 flow [2021-03-24 11:05:29,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,299 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:29,299 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 11:05:29,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 11:05:29,299 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:29,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:29,300 INFO L82 PathProgramCache]: Analyzing trace with hash 2003188168, now seen corresponding path program 1 times [2021-03-24 11:05:29,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:29,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495915598] [2021-03-24 11:05:29,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:29,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:29,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:29,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:29,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:29,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:29,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:29,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:29,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:29,444 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.8 percent of original size [2021-03-24 11:05:29,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-24 11:05:29,472 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.5 percent of original size [2021-03-24 11:05:29,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 11:05:29,500 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size [2021-03-24 11:05:29,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 11:05:29,514 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-24 11:05:29,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 11:05:29,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:29,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 11:05:29,583 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:29,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:29,589 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 11:05:29,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495915598] [2021-03-24 11:05:29,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:29,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 11:05:29,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21013791] [2021-03-24 11:05:29,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 11:05:29,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:29,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 11:05:29,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-03-24 11:05:29,591 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2021-03-24 11:05:29,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 32 transitions, 88 flow. Second operand has 11 states, 11 states have (on average 115.0) internal successors, (1265), 11 states have internal predecessors, (1265), 0 states have call successors, (0), 0 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 11:05:29,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:29,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2021-03-24 11:05:29,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:29,933 INFO L129 PetriNetUnfolder]: 183/392 cut-off events. [2021-03-24 11:05:29,934 INFO L130 PetriNetUnfolder]: For 131/132 co-relation queries the response was YES. [2021-03-24 11:05:29,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 820 conditions, 392 events. 183/392 cut-off events. For 131/132 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1855 event pairs, 4 based on Foata normal form. 15/396 useless extension candidates. Maximal degree in co-relation 795. Up to 218 conditions per place. [2021-03-24 11:05:29,936 INFO L132 encePairwiseOnDemand]: 151/161 looper letters, 27 selfloop transitions, 12 changer transitions 12/68 dead transitions. [2021-03-24 11:05:29,936 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 68 transitions, 287 flow [2021-03-24 11:05:29,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 11:05:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 11:05:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1308 transitions. [2021-03-24 11:05:29,938 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7385657820440429 [2021-03-24 11:05:29,938 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1308 transitions. [2021-03-24 11:05:29,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1308 transitions. [2021-03-24 11:05:29,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:29,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1308 transitions. [2021-03-24 11:05:29,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 118.9090909090909) internal successors, (1308), 11 states have internal predecessors, (1308), 0 states have call successors, (0), 0 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 11:05:29,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,943 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:29,943 INFO L185 Difference]: Start difference. First operand has 48 places, 32 transitions, 88 flow. Second operand 11 states and 1308 transitions. [2021-03-24 11:05:29,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 68 transitions, 287 flow [2021-03-24 11:05:29,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 68 transitions, 269 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-24 11:05:29,945 INFO L241 Difference]: Finished difference. Result has 58 places, 40 transitions, 150 flow [2021-03-24 11:05:29,945 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=150, PETRI_PLACES=58, PETRI_TRANSITIONS=40} [2021-03-24 11:05:29,945 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 9 predicate places. [2021-03-24 11:05:29,945 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 40 transitions, 150 flow [2021-03-24 11:05:29,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 115.0) internal successors, (1265), 11 states have internal predecessors, (1265), 0 states have call successors, (0), 0 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 11:05:29,946 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:29,946 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 11:05:29,946 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 11:05:29,946 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:29,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:29,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1287418016, now seen corresponding path program 2 times [2021-03-24 11:05:29,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:29,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862669019] [2021-03-24 11:05:29,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:30,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:30,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:30,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:30,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:30,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:30,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:30,038 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-03-24 11:05:30,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 11:05:30,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:30,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 11:05:30,078 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:30,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:30,084 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 11:05:30,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862669019] [2021-03-24 11:05:30,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:30,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 11:05:30,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111880647] [2021-03-24 11:05:30,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 11:05:30,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:30,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 11:05:30,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-03-24 11:05:30,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 161 [2021-03-24 11:05:30,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 40 transitions, 150 flow. Second operand has 10 states, 10 states have (on average 118.0) internal successors, (1180), 10 states have internal predecessors, (1180), 0 states have call successors, (0), 0 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 11:05:30,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:30,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 161 [2021-03-24 11:05:30,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:30,315 INFO L129 PetriNetUnfolder]: 187/398 cut-off events. [2021-03-24 11:05:30,315 INFO L130 PetriNetUnfolder]: For 427/470 co-relation queries the response was YES. [2021-03-24 11:05:30,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1089 conditions, 398 events. 187/398 cut-off events. For 427/470 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1862 event pairs, 29 based on Foata normal form. 17/404 useless extension candidates. Maximal degree in co-relation 1059. Up to 267 conditions per place. [2021-03-24 11:05:30,317 INFO L132 encePairwiseOnDemand]: 149/161 looper letters, 25 selfloop transitions, 13 changer transitions 10/66 dead transitions. [2021-03-24 11:05:30,317 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 66 transitions, 342 flow [2021-03-24 11:05:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 11:05:30,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 11:05:30,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1210 transitions. [2021-03-24 11:05:30,320 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7515527950310559 [2021-03-24 11:05:30,320 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1210 transitions. [2021-03-24 11:05:30,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1210 transitions. [2021-03-24 11:05:30,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:30,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1210 transitions. [2021-03-24 11:05:30,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 121.0) internal successors, (1210), 10 states have internal predecessors, (1210), 0 states have call successors, (0), 0 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 11:05:30,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:30,324 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:30,324 INFO L185 Difference]: Start difference. First operand has 58 places, 40 transitions, 150 flow. Second operand 10 states and 1210 transitions. [2021-03-24 11:05:30,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 66 transitions, 342 flow [2021-03-24 11:05:30,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 66 transitions, 329 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-24 11:05:30,329 INFO L241 Difference]: Finished difference. Result has 64 places, 49 transitions, 240 flow [2021-03-24 11:05:30,329 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=240, PETRI_PLACES=64, PETRI_TRANSITIONS=49} [2021-03-24 11:05:30,329 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 15 predicate places. [2021-03-24 11:05:30,329 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 49 transitions, 240 flow [2021-03-24 11:05:30,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 118.0) internal successors, (1180), 10 states have internal predecessors, (1180), 0 states have call successors, (0), 0 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 11:05:30,329 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:30,329 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 11:05:30,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 11:05:30,329 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:30,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:30,330 INFO L82 PathProgramCache]: Analyzing trace with hash -2122552364, now seen corresponding path program 3 times [2021-03-24 11:05:30,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:30,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204178604] [2021-03-24 11:05:30,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:30,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:30,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:30,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:30,429 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-24 11:05:30,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:30,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 11:05:30,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 11:05:30,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 11:05:30,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 11:05:30,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 11:05:30,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 11:05:30,548 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:30,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:30,554 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 11:05:30,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204178604] [2021-03-24 11:05:30,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:30,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 11:05:30,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812469330] [2021-03-24 11:05:30,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 11:05:30,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:30,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 11:05:30,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-03-24 11:05:30,557 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 161 [2021-03-24 11:05:30,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 49 transitions, 240 flow. Second operand has 12 states, 12 states have (on average 116.91666666666667) internal successors, (1403), 12 states have internal predecessors, (1403), 0 states have call successors, (0), 0 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 11:05:30,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:30,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 161 [2021-03-24 11:05:30,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:30,807 INFO L129 PetriNetUnfolder]: 202/416 cut-off events. [2021-03-24 11:05:30,808 INFO L130 PetriNetUnfolder]: For 763/865 co-relation queries the response was YES. [2021-03-24 11:05:30,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1452 conditions, 416 events. 202/416 cut-off events. For 763/865 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1935 event pairs, 21 based on Foata normal form. 37/447 useless extension candidates. Maximal degree in co-relation 1417. Up to 261 conditions per place. [2021-03-24 11:05:30,810 INFO L132 encePairwiseOnDemand]: 147/161 looper letters, 25 selfloop transitions, 26 changer transitions 10/78 dead transitions. [2021-03-24 11:05:30,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 78 transitions, 539 flow [2021-03-24 11:05:30,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 11:05:30,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 11:05:30,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1318 transitions. [2021-03-24 11:05:30,813 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7442123094297007 [2021-03-24 11:05:30,813 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1318 transitions. [2021-03-24 11:05:30,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1318 transitions. [2021-03-24 11:05:30,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:30,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1318 transitions. [2021-03-24 11:05:30,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 119.81818181818181) internal successors, (1318), 11 states have internal predecessors, (1318), 0 states have call successors, (0), 0 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 11:05:30,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:30,818 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:30,818 INFO L185 Difference]: Start difference. First operand has 64 places, 49 transitions, 240 flow. Second operand 11 states and 1318 transitions. [2021-03-24 11:05:30,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 78 transitions, 539 flow [2021-03-24 11:05:30,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 78 transitions, 522 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 11:05:30,824 INFO L241 Difference]: Finished difference. Result has 71 places, 63 transitions, 405 flow [2021-03-24 11:05:30,825 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=405, PETRI_PLACES=71, PETRI_TRANSITIONS=63} [2021-03-24 11:05:30,825 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 22 predicate places. [2021-03-24 11:05:30,825 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 63 transitions, 405 flow [2021-03-24 11:05:30,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 116.91666666666667) internal successors, (1403), 12 states have internal predecessors, (1403), 0 states have call successors, (0), 0 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 11:05:30,825 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:30,825 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 11:05:30,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 11:05:30,826 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:30,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:30,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1292434306, now seen corresponding path program 1 times [2021-03-24 11:05:30,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:30,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681547748] [2021-03-24 11:05:30,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:30,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:30,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:30,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:30,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:30,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:30,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:30,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 11:05:30,982 INFO L142 QuantifierPusher]: treesize reduction 55, result has 52.2 percent of original size [2021-03-24 11:05:30,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-24 11:05:31,014 INFO L142 QuantifierPusher]: treesize reduction 137, result has 25.5 percent of original size [2021-03-24 11:05:31,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 11:05:31,040 INFO L142 QuantifierPusher]: treesize reduction 141, result has 27.3 percent of original size [2021-03-24 11:05:31,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 11:05:31,063 INFO L142 QuantifierPusher]: treesize reduction 141, result has 27.7 percent of original size [2021-03-24 11:05:31,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-24 11:05:31,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 11:05:31,094 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:31,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:31,098 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 11:05:31,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681547748] [2021-03-24 11:05:31,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:31,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 11:05:31,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146603029] [2021-03-24 11:05:31,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 11:05:31,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:31,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 11:05:31,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-03-24 11:05:31,101 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 161 [2021-03-24 11:05:31,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 63 transitions, 405 flow. Second operand has 13 states, 13 states have (on average 116.0) internal successors, (1508), 13 states have internal predecessors, (1508), 0 states have call successors, (0), 0 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 11:05:31,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:31,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 161 [2021-03-24 11:05:31,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:31,373 INFO L129 PetriNetUnfolder]: 203/420 cut-off events. [2021-03-24 11:05:31,373 INFO L130 PetriNetUnfolder]: For 1410/1658 co-relation queries the response was YES. [2021-03-24 11:05:31,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1834 conditions, 420 events. 203/420 cut-off events. For 1410/1658 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1978 event pairs, 39 based on Foata normal form. 53/466 useless extension candidates. Maximal degree in co-relation 1793. Up to 289 conditions per place. [2021-03-24 11:05:31,376 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 42 selfloop transitions, 21 changer transitions 6/85 dead transitions. [2021-03-24 11:05:31,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 85 transitions, 736 flow [2021-03-24 11:05:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 11:05:31,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 11:05:31,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1190 transitions. [2021-03-24 11:05:31,379 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7391304347826086 [2021-03-24 11:05:31,379 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1190 transitions. [2021-03-24 11:05:31,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1190 transitions. [2021-03-24 11:05:31,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:31,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1190 transitions. [2021-03-24 11:05:31,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 119.0) internal successors, (1190), 10 states have internal predecessors, (1190), 0 states have call successors, (0), 0 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 11:05:31,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,383 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,384 INFO L185 Difference]: Start difference. First operand has 71 places, 63 transitions, 405 flow. Second operand 10 states and 1190 transitions. [2021-03-24 11:05:31,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 85 transitions, 736 flow [2021-03-24 11:05:31,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 85 transitions, 662 flow, removed 31 selfloop flow, removed 6 redundant places. [2021-03-24 11:05:31,388 INFO L241 Difference]: Finished difference. Result has 75 places, 69 transitions, 488 flow [2021-03-24 11:05:31,388 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=488, PETRI_PLACES=75, PETRI_TRANSITIONS=69} [2021-03-24 11:05:31,388 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 26 predicate places. [2021-03-24 11:05:31,388 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 69 transitions, 488 flow [2021-03-24 11:05:31,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 116.0) internal successors, (1508), 13 states have internal predecessors, (1508), 0 states have call successors, (0), 0 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 11:05:31,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:31,389 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 11:05:31,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 11:05:31,389 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:31,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:31,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1076545522, now seen corresponding path program 1 times [2021-03-24 11:05:31,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:31,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133601246] [2021-03-24 11:05:31,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:31,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:31,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:31,457 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 11:05:31,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 11:05:31,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:31,462 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 11:05:31,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133601246] [2021-03-24 11:05:31,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:31,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 11:05:31,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367169761] [2021-03-24 11:05:31,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 11:05:31,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:31,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 11:05:31,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 11:05:31,463 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 161 [2021-03-24 11:05:31,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 69 transitions, 488 flow. Second operand has 4 states, 4 states have (on average 136.75) internal successors, (547), 4 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:31,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 161 [2021-03-24 11:05:31,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:31,517 INFO L129 PetriNetUnfolder]: 133/360 cut-off events. [2021-03-24 11:05:31,517 INFO L130 PetriNetUnfolder]: For 717/764 co-relation queries the response was YES. [2021-03-24 11:05:31,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1118 conditions, 360 events. 133/360 cut-off events. For 717/764 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2056 event pairs, 48 based on Foata normal form. 55/390 useless extension candidates. Maximal degree in co-relation 1079. Up to 150 conditions per place. [2021-03-24 11:05:31,519 INFO L132 encePairwiseOnDemand]: 155/161 looper letters, 9 selfloop transitions, 8 changer transitions 0/72 dead transitions. [2021-03-24 11:05:31,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 72 transitions, 478 flow [2021-03-24 11:05:31,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 11:05:31,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 11:05:31,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 698 transitions. [2021-03-24 11:05:31,521 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.867080745341615 [2021-03-24 11:05:31,521 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 698 transitions. [2021-03-24 11:05:31,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 698 transitions. [2021-03-24 11:05:31,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:31,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 698 transitions. [2021-03-24 11:05:31,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 139.6) internal successors, (698), 5 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,524 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,524 INFO L185 Difference]: Start difference. First operand has 75 places, 69 transitions, 488 flow. Second operand 5 states and 698 transitions. [2021-03-24 11:05:31,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 72 transitions, 478 flow [2021-03-24 11:05:31,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 72 transitions, 433 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-03-24 11:05:31,527 INFO L241 Difference]: Finished difference. Result has 71 places, 69 transitions, 443 flow [2021-03-24 11:05:31,527 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=443, PETRI_PLACES=71, PETRI_TRANSITIONS=69} [2021-03-24 11:05:31,528 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 22 predicate places. [2021-03-24 11:05:31,528 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 69 transitions, 443 flow [2021-03-24 11:05:31,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 136.75) internal successors, (547), 4 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,528 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:31,528 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 11:05:31,528 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 11:05:31,528 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:31,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:31,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1527096400, now seen corresponding path program 1 times [2021-03-24 11:05:31,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:31,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764667767] [2021-03-24 11:05:31,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:31,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:31,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:31,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:31,589 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 11:05:31,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 11:05:31,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:31,594 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 11:05:31,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764667767] [2021-03-24 11:05:31,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:31,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 11:05:31,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923367110] [2021-03-24 11:05:31,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 11:05:31,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:31,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 11:05:31,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 11:05:31,596 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 161 [2021-03-24 11:05:31,597 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 69 transitions, 443 flow. Second operand has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,597 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:31,597 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 161 [2021-03-24 11:05:31,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:31,656 INFO L129 PetriNetUnfolder]: 84/275 cut-off events. [2021-03-24 11:05:31,656 INFO L130 PetriNetUnfolder]: For 740/1046 co-relation queries the response was YES. [2021-03-24 11:05:31,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1026 conditions, 275 events. 84/275 cut-off events. For 740/1046 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1510 event pairs, 11 based on Foata normal form. 147/411 useless extension candidates. Maximal degree in co-relation 990. Up to 115 conditions per place. [2021-03-24 11:05:31,657 INFO L132 encePairwiseOnDemand]: 155/161 looper letters, 5 selfloop transitions, 15 changer transitions 3/77 dead transitions. [2021-03-24 11:05:31,657 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 77 transitions, 530 flow [2021-03-24 11:05:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 11:05:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 11:05:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 977 transitions. [2021-03-24 11:05:31,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8669032830523514 [2021-03-24 11:05:31,659 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 977 transitions. [2021-03-24 11:05:31,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 977 transitions. [2021-03-24 11:05:31,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:31,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 977 transitions. [2021-03-24 11:05:31,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 139.57142857142858) internal successors, (977), 7 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,663 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,663 INFO L185 Difference]: Start difference. First operand has 71 places, 69 transitions, 443 flow. Second operand 7 states and 977 transitions. [2021-03-24 11:05:31,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 77 transitions, 530 flow [2021-03-24 11:05:31,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 77 transitions, 514 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-24 11:05:31,666 INFO L241 Difference]: Finished difference. Result has 77 places, 74 transitions, 509 flow [2021-03-24 11:05:31,667 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=509, PETRI_PLACES=77, PETRI_TRANSITIONS=74} [2021-03-24 11:05:31,667 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 28 predicate places. [2021-03-24 11:05:31,667 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 74 transitions, 509 flow [2021-03-24 11:05:31,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,667 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:31,667 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 11:05:31,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 11:05:31,667 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:31,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:31,668 INFO L82 PathProgramCache]: Analyzing trace with hash 728103694, now seen corresponding path program 1 times [2021-03-24 11:05:31,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:31,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946583862] [2021-03-24 11:05:31,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:31,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:31,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:31,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:31,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:31,757 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 11:05:31,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 11:05:31,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:31,763 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 11:05:31,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946583862] [2021-03-24 11:05:31,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:31,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 11:05:31,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289290263] [2021-03-24 11:05:31,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 11:05:31,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:31,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 11:05:31,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-24 11:05:31,765 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 161 [2021-03-24 11:05:31,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 74 transitions, 509 flow. Second operand has 6 states, 6 states have (on average 136.83333333333334) internal successors, (821), 6 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:31,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 161 [2021-03-24 11:05:31,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:31,835 INFO L129 PetriNetUnfolder]: 70/241 cut-off events. [2021-03-24 11:05:31,835 INFO L130 PetriNetUnfolder]: For 1183/1921 co-relation queries the response was YES. [2021-03-24 11:05:31,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1044 conditions, 241 events. 70/241 cut-off events. For 1183/1921 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1316 event pairs, 5 based on Foata normal form. 128/360 useless extension candidates. Maximal degree in co-relation 1006. Up to 105 conditions per place. [2021-03-24 11:05:31,837 INFO L132 encePairwiseOnDemand]: 155/161 looper letters, 2 selfloop transitions, 19 changer transitions 3/78 dead transitions. [2021-03-24 11:05:31,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 78 transitions, 587 flow [2021-03-24 11:05:31,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 11:05:31,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 11:05:31,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1250 transitions. [2021-03-24 11:05:31,839 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.862663906142167 [2021-03-24 11:05:31,840 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1250 transitions. [2021-03-24 11:05:31,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1250 transitions. [2021-03-24 11:05:31,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:31,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1250 transitions. [2021-03-24 11:05:31,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 138.88888888888889) internal successors, (1250), 9 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,844 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,844 INFO L185 Difference]: Start difference. First operand has 77 places, 74 transitions, 509 flow. Second operand 9 states and 1250 transitions. [2021-03-24 11:05:31,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 78 transitions, 587 flow [2021-03-24 11:05:31,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 78 transitions, 535 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-24 11:05:31,848 INFO L241 Difference]: Finished difference. Result has 83 places, 75 transitions, 518 flow [2021-03-24 11:05:31,848 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=457, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=518, PETRI_PLACES=83, PETRI_TRANSITIONS=75} [2021-03-24 11:05:31,848 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 34 predicate places. [2021-03-24 11:05:31,848 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 75 transitions, 518 flow [2021-03-24 11:05:31,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 136.83333333333334) internal successors, (821), 6 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:31,848 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:31,849 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:31,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 11:05:31,849 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:31,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:31,849 INFO L82 PathProgramCache]: Analyzing trace with hash 771610860, now seen corresponding path program 1 times [2021-03-24 11:05:31,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:31,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367114612] [2021-03-24 11:05:31,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:31,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:31,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:31,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:31,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:31,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:31,953 INFO L142 QuantifierPusher]: treesize reduction 40, result has 71.4 percent of original size [2021-03-24 11:05:31,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-03-24 11:05:31,988 INFO L142 QuantifierPusher]: treesize reduction 17, result has 63.0 percent of original size [2021-03-24 11:05:31,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 11:05:32,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:32,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:32,004 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:32,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:32,009 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 11:05:32,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367114612] [2021-03-24 11:05:32,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:32,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 11:05:32,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441292599] [2021-03-24 11:05:32,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 11:05:32,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:32,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 11:05:32,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-24 11:05:32,012 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2021-03-24 11:05:32,013 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 75 transitions, 518 flow. Second operand has 8 states, 8 states have (on average 116.0) internal successors, (928), 8 states have internal predecessors, (928), 0 states have call successors, (0), 0 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 11:05:32,013 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:32,013 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2021-03-24 11:05:32,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:32,174 INFO L129 PetriNetUnfolder]: 115/374 cut-off events. [2021-03-24 11:05:32,174 INFO L130 PetriNetUnfolder]: For 2975/3251 co-relation queries the response was YES. [2021-03-24 11:05:32,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1554 conditions, 374 events. 115/374 cut-off events. For 2975/3251 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2417 event pairs, 0 based on Foata normal form. 68/429 useless extension candidates. Maximal degree in co-relation 1511. Up to 97 conditions per place. [2021-03-24 11:05:32,177 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 31 selfloop transitions, 20 changer transitions 2/84 dead transitions. [2021-03-24 11:05:32,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 84 transitions, 679 flow [2021-03-24 11:05:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 11:05:32,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 11:05:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 827 transitions. [2021-03-24 11:05:32,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7338065661047027 [2021-03-24 11:05:32,179 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 827 transitions. [2021-03-24 11:05:32,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 827 transitions. [2021-03-24 11:05:32,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:32,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 827 transitions. [2021-03-24 11:05:32,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 118.14285714285714) internal successors, (827), 7 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:32,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:32,182 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:32,182 INFO L185 Difference]: Start difference. First operand has 83 places, 75 transitions, 518 flow. Second operand 7 states and 827 transitions. [2021-03-24 11:05:32,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 84 transitions, 679 flow [2021-03-24 11:05:32,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 84 transitions, 615 flow, removed 15 selfloop flow, removed 8 redundant places. [2021-03-24 11:05:32,188 INFO L241 Difference]: Finished difference. Result has 82 places, 80 transitions, 553 flow [2021-03-24 11:05:32,188 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=553, PETRI_PLACES=82, PETRI_TRANSITIONS=80} [2021-03-24 11:05:32,189 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 33 predicate places. [2021-03-24 11:05:32,189 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 80 transitions, 553 flow [2021-03-24 11:05:32,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 116.0) internal successors, (928), 8 states have internal predecessors, (928), 0 states have call successors, (0), 0 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 11:05:32,189 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:32,189 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:32,189 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 11:05:32,189 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:32,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:32,189 INFO L82 PathProgramCache]: Analyzing trace with hash 2106327266, now seen corresponding path program 2 times [2021-03-24 11:05:32,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:32,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806591814] [2021-03-24 11:05:32,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:32,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:32,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:32,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:32,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:32,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:32,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:32,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:32,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:32,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:32,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:32,324 INFO L142 QuantifierPusher]: treesize reduction 32, result has 68.6 percent of original size [2021-03-24 11:05:32,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-24 11:05:32,332 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-03-24 11:05:32,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 11:05:32,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:32,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:32,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:32,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:32,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:32,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:32,375 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:32,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:32,382 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 11:05:32,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806591814] [2021-03-24 11:05:32,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:32,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 11:05:32,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513913655] [2021-03-24 11:05:32,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 11:05:32,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:32,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 11:05:32,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-24 11:05:32,384 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2021-03-24 11:05:32,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 80 transitions, 553 flow. Second operand has 11 states, 11 states have (on average 115.45454545454545) internal successors, (1270), 11 states have internal predecessors, (1270), 0 states have call successors, (0), 0 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 11:05:32,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:32,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2021-03-24 11:05:32,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:32,684 INFO L129 PetriNetUnfolder]: 182/572 cut-off events. [2021-03-24 11:05:32,684 INFO L130 PetriNetUnfolder]: For 2921/3299 co-relation queries the response was YES. [2021-03-24 11:05:32,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2228 conditions, 572 events. 182/572 cut-off events. For 2921/3299 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 4211 event pairs, 11 based on Foata normal form. 136/684 useless extension candidates. Maximal degree in co-relation 2207. Up to 142 conditions per place. [2021-03-24 11:05:32,688 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 25 selfloop transitions, 26 changer transitions 21/103 dead transitions. [2021-03-24 11:05:32,688 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 103 transitions, 863 flow [2021-03-24 11:05:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 11:05:32,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 11:05:32,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1299 transitions. [2021-03-24 11:05:32,690 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7334839073969509 [2021-03-24 11:05:32,690 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1299 transitions. [2021-03-24 11:05:32,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1299 transitions. [2021-03-24 11:05:32,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:32,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1299 transitions. [2021-03-24 11:05:32,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 118.0909090909091) internal successors, (1299), 11 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 11:05:32,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:32,695 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:32,695 INFO L185 Difference]: Start difference. First operand has 82 places, 80 transitions, 553 flow. Second operand 11 states and 1299 transitions. [2021-03-24 11:05:32,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 103 transitions, 863 flow [2021-03-24 11:05:32,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 103 transitions, 816 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-24 11:05:32,703 INFO L241 Difference]: Finished difference. Result has 90 places, 79 transitions, 579 flow [2021-03-24 11:05:32,703 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=579, PETRI_PLACES=90, PETRI_TRANSITIONS=79} [2021-03-24 11:05:32,703 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 41 predicate places. [2021-03-24 11:05:32,703 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 79 transitions, 579 flow [2021-03-24 11:05:32,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 115.45454545454545) internal successors, (1270), 11 states have internal predecessors, (1270), 0 states have call successors, (0), 0 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 11:05:32,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:32,704 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:32,704 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 11:05:32,704 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:32,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:32,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1304103276, now seen corresponding path program 3 times [2021-03-24 11:05:32,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:32,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101822928] [2021-03-24 11:05:32,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:32,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:32,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:32,775 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-24 11:05:32,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:05:32,783 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-03-24 11:05:32,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 11:05:32,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:32,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:32,799 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:32,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:32,803 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 11:05:32,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101822928] [2021-03-24 11:05:32,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:32,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 11:05:32,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658069098] [2021-03-24 11:05:32,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 11:05:32,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:32,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 11:05:32,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-24 11:05:32,805 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 161 [2021-03-24 11:05:32,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 79 transitions, 579 flow. Second operand has 6 states, 6 states have (on average 121.33333333333333) internal successors, (728), 6 states have internal predecessors, (728), 0 states have call successors, (0), 0 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 11:05:32,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:32,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 161 [2021-03-24 11:05:32,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:32,977 INFO L129 PetriNetUnfolder]: 188/615 cut-off events. [2021-03-24 11:05:32,977 INFO L130 PetriNetUnfolder]: For 3462/3907 co-relation queries the response was YES. [2021-03-24 11:05:32,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2418 conditions, 615 events. 188/615 cut-off events. For 3462/3907 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 4767 event pairs, 8 based on Foata normal form. 125/703 useless extension candidates. Maximal degree in co-relation 2394. Up to 170 conditions per place. [2021-03-24 11:05:32,981 INFO L132 encePairwiseOnDemand]: 151/161 looper letters, 34 selfloop transitions, 12 changer transitions 26/105 dead transitions. [2021-03-24 11:05:32,981 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 105 transitions, 919 flow [2021-03-24 11:05:32,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 11:05:32,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 11:05:32,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 870 transitions. [2021-03-24 11:05:32,984 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.771960958296362 [2021-03-24 11:05:32,984 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 870 transitions. [2021-03-24 11:05:32,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 870 transitions. [2021-03-24 11:05:32,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:32,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 870 transitions. [2021-03-24 11:05:32,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 124.28571428571429) internal successors, (870), 7 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:32,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:32,988 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:32,988 INFO L185 Difference]: Start difference. First operand has 90 places, 79 transitions, 579 flow. Second operand 7 states and 870 transitions. [2021-03-24 11:05:32,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 105 transitions, 919 flow [2021-03-24 11:05:32,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 105 transitions, 888 flow, removed 7 selfloop flow, removed 8 redundant places. [2021-03-24 11:05:32,997 INFO L241 Difference]: Finished difference. Result has 90 places, 79 transitions, 606 flow [2021-03-24 11:05:32,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=606, PETRI_PLACES=90, PETRI_TRANSITIONS=79} [2021-03-24 11:05:32,997 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 41 predicate places. [2021-03-24 11:05:32,997 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 79 transitions, 606 flow [2021-03-24 11:05:32,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 121.33333333333333) internal successors, (728), 6 states have internal predecessors, (728), 0 states have call successors, (0), 0 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 11:05:32,998 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:32,998 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:32,998 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-24 11:05:32,998 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:32,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:32,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1104210324, now seen corresponding path program 4 times [2021-03-24 11:05:32,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:32,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032346560] [2021-03-24 11:05:32,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:33,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:33,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:33,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:33,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:33,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:33,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:33,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:33,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 11:05:33,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 11:05:33,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 11:05:33,144 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:33,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:33,151 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 11:05:33,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032346560] [2021-03-24 11:05:33,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:33,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 11:05:33,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644088680] [2021-03-24 11:05:33,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 11:05:33,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:33,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 11:05:33,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-24 11:05:33,154 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 161 [2021-03-24 11:05:33,155 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 79 transitions, 606 flow. Second operand has 12 states, 12 states have (on average 109.41666666666667) internal successors, (1313), 12 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:33,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:33,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 161 [2021-03-24 11:05:33,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:33,428 INFO L129 PetriNetUnfolder]: 138/461 cut-off events. [2021-03-24 11:05:33,428 INFO L130 PetriNetUnfolder]: For 2645/3045 co-relation queries the response was YES. [2021-03-24 11:05:33,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1912 conditions, 461 events. 138/461 cut-off events. For 2645/3045 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 3221 event pairs, 8 based on Foata normal form. 101/540 useless extension candidates. Maximal degree in co-relation 1886. Up to 122 conditions per place. [2021-03-24 11:05:33,433 INFO L132 encePairwiseOnDemand]: 148/161 looper letters, 36 selfloop transitions, 18 changer transitions 13/97 dead transitions. [2021-03-24 11:05:33,433 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 97 transitions, 908 flow [2021-03-24 11:05:33,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 11:05:33,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 11:05:33,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1336 transitions. [2021-03-24 11:05:33,435 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6915113871635611 [2021-03-24 11:05:33,435 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1336 transitions. [2021-03-24 11:05:33,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1336 transitions. [2021-03-24 11:05:33,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:33,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1336 transitions. [2021-03-24 11:05:33,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 111.33333333333333) internal successors, (1336), 12 states have internal predecessors, (1336), 0 states have call successors, (0), 0 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 11:05:33,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 0 states have call successors, (0), 0 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 11:05:33,439 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 0 states have call successors, (0), 0 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 11:05:33,439 INFO L185 Difference]: Start difference. First operand has 90 places, 79 transitions, 606 flow. Second operand 12 states and 1336 transitions. [2021-03-24 11:05:33,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 97 transitions, 908 flow [2021-03-24 11:05:33,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 97 transitions, 878 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-03-24 11:05:33,446 INFO L241 Difference]: Finished difference. Result has 96 places, 82 transitions, 695 flow [2021-03-24 11:05:33,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=695, PETRI_PLACES=96, PETRI_TRANSITIONS=82} [2021-03-24 11:05:33,447 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 47 predicate places. [2021-03-24 11:05:33,447 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 82 transitions, 695 flow [2021-03-24 11:05:33,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 109.41666666666667) internal successors, (1313), 12 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:33,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:33,447 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:33,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-24 11:05:33,448 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:33,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:33,448 INFO L82 PathProgramCache]: Analyzing trace with hash -248744104, now seen corresponding path program 5 times [2021-03-24 11:05:33,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:33,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245972081] [2021-03-24 11:05:33,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:33,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:33,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:33,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:33,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:33,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 11:05:33,551 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-03-24 11:05:33,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 11:05:33,562 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 11:05:33,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 11:05:33,570 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:33,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:33,577 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 11:05:33,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245972081] [2021-03-24 11:05:33,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:33,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 11:05:33,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190280499] [2021-03-24 11:05:33,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 11:05:33,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:33,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 11:05:33,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-24 11:05:33,580 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 161 [2021-03-24 11:05:33,581 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 82 transitions, 695 flow. Second operand has 9 states, 9 states have (on average 111.88888888888889) internal successors, (1007), 9 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:33,581 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:33,581 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 161 [2021-03-24 11:05:33,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:33,833 INFO L129 PetriNetUnfolder]: 148/497 cut-off events. [2021-03-24 11:05:33,833 INFO L130 PetriNetUnfolder]: For 2722/3242 co-relation queries the response was YES. [2021-03-24 11:05:33,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2124 conditions, 497 events. 148/497 cut-off events. For 2722/3242 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 3677 event pairs, 6 based on Foata normal form. 108/581 useless extension candidates. Maximal degree in co-relation 2096. Up to 130 conditions per place. [2021-03-24 11:05:33,837 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 33 selfloop transitions, 25 changer transitions 14/102 dead transitions. [2021-03-24 11:05:33,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 102 transitions, 1037 flow [2021-03-24 11:05:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 11:05:33,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 11:05:33,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1135 transitions. [2021-03-24 11:05:33,839 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7049689440993789 [2021-03-24 11:05:33,839 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1135 transitions. [2021-03-24 11:05:33,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1135 transitions. [2021-03-24 11:05:33,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:33,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1135 transitions. [2021-03-24 11:05:33,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 113.5) internal successors, (1135), 10 states have internal predecessors, (1135), 0 states have call successors, (0), 0 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 11:05:33,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:33,843 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:33,843 INFO L185 Difference]: Start difference. First operand has 96 places, 82 transitions, 695 flow. Second operand 10 states and 1135 transitions. [2021-03-24 11:05:33,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 102 transitions, 1037 flow [2021-03-24 11:05:33,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 102 transitions, 983 flow, removed 18 selfloop flow, removed 7 redundant places. [2021-03-24 11:05:33,851 INFO L241 Difference]: Finished difference. Result has 97 places, 80 transitions, 701 flow [2021-03-24 11:05:33,851 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=701, PETRI_PLACES=97, PETRI_TRANSITIONS=80} [2021-03-24 11:05:33,851 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 48 predicate places. [2021-03-24 11:05:33,851 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 80 transitions, 701 flow [2021-03-24 11:05:33,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 111.88888888888889) internal successors, (1007), 9 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:33,852 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:33,852 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:33,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-24 11:05:33,852 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:33,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:33,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1070623050, now seen corresponding path program 6 times [2021-03-24 11:05:33,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:33,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105284662] [2021-03-24 11:05:33,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:33,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:33,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:33,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:33,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:33,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 11:05:33,945 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.1 percent of original size [2021-03-24 11:05:33,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 11:05:33,965 INFO L142 QuantifierPusher]: treesize reduction 17, result has 73.4 percent of original size [2021-03-24 11:05:33,965 INFO L147 QuantifierPusher]: treesize reduction 9, result has 80.9 percent of original size 38 [2021-03-24 11:05:33,990 INFO L142 QuantifierPusher]: treesize reduction 21, result has 80.7 percent of original size [2021-03-24 11:05:33,992 INFO L147 QuantifierPusher]: treesize reduction 9, result has 89.8 percent of original size 79 [2021-03-24 11:05:34,044 INFO L142 QuantifierPusher]: treesize reduction 17, result has 75.7 percent of original size [2021-03-24 11:05:34,044 INFO L147 QuantifierPusher]: treesize reduction 9, result has 83.0 percent of original size 44 [2021-03-24 11:05:34,072 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 11:05:34,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 11:05:34,083 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:34,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:34,091 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 11:05:34,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105284662] [2021-03-24 11:05:34,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:34,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 11:05:34,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530025141] [2021-03-24 11:05:34,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 11:05:34,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:34,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 11:05:34,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-24 11:05:34,093 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 161 [2021-03-24 11:05:34,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 80 transitions, 701 flow. Second operand has 11 states, 11 states have (on average 111.45454545454545) internal successors, (1226), 11 states have internal predecessors, (1226), 0 states have call successors, (0), 0 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 11:05:34,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:34,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 161 [2021-03-24 11:05:34,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:34,442 INFO L129 PetriNetUnfolder]: 124/417 cut-off events. [2021-03-24 11:05:34,442 INFO L130 PetriNetUnfolder]: For 2535/2882 co-relation queries the response was YES. [2021-03-24 11:05:34,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1847 conditions, 417 events. 124/417 cut-off events. For 2535/2882 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 2903 event pairs, 0 based on Foata normal form. 87/484 useless extension candidates. Maximal degree in co-relation 1818. Up to 105 conditions per place. [2021-03-24 11:05:34,445 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 24 selfloop transitions, 13 changer transitions 19/87 dead transitions. [2021-03-24 11:05:34,445 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 87 transitions, 883 flow [2021-03-24 11:05:34,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 11:05:34,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 11:05:34,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1245 transitions. [2021-03-24 11:05:34,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7029926595143986 [2021-03-24 11:05:34,449 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1245 transitions. [2021-03-24 11:05:34,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1245 transitions. [2021-03-24 11:05:34,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:34,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1245 transitions. [2021-03-24 11:05:34,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.18181818181819) internal successors, (1245), 11 states have internal predecessors, (1245), 0 states have call successors, (0), 0 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 11:05:34,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:34,454 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:34,454 INFO L185 Difference]: Start difference. First operand has 97 places, 80 transitions, 701 flow. Second operand 11 states and 1245 transitions. [2021-03-24 11:05:34,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 87 transitions, 883 flow [2021-03-24 11:05:34,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 87 transitions, 819 flow, removed 18 selfloop flow, removed 9 redundant places. [2021-03-24 11:05:34,461 INFO L241 Difference]: Finished difference. Result has 98 places, 67 transitions, 542 flow [2021-03-24 11:05:34,462 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=542, PETRI_PLACES=98, PETRI_TRANSITIONS=67} [2021-03-24 11:05:34,462 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 49 predicate places. [2021-03-24 11:05:34,462 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 67 transitions, 542 flow [2021-03-24 11:05:34,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 111.45454545454545) internal successors, (1226), 11 states have internal predecessors, (1226), 0 states have call successors, (0), 0 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 11:05:34,462 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:34,462 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:34,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-24 11:05:34,463 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:34,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:34,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1746600356, now seen corresponding path program 7 times [2021-03-24 11:05:34,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:34,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477487599] [2021-03-24 11:05:34,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:34,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:34,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:34,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:34,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:34,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:34,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:34,552 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.5 percent of original size [2021-03-24 11:05:34,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 11:05:34,574 INFO L142 QuantifierPusher]: treesize reduction 10, result has 86.8 percent of original size [2021-03-24 11:05:34,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 11:05:34,605 INFO L142 QuantifierPusher]: treesize reduction 46, result has 57.4 percent of original size [2021-03-24 11:05:34,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-24 11:05:34,635 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.5 percent of original size [2021-03-24 11:05:34,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 11:05:34,660 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-03-24 11:05:34,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 11:05:34,671 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 11:05:34,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 11:05:34,679 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:34,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:34,685 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 11:05:34,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477487599] [2021-03-24 11:05:34,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:34,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 11:05:34,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630438165] [2021-03-24 11:05:34,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 11:05:34,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:34,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 11:05:34,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-24 11:05:34,687 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 161 [2021-03-24 11:05:34,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 67 transitions, 542 flow. Second operand has 11 states, 11 states have (on average 111.45454545454545) internal successors, (1226), 11 states have internal predecessors, (1226), 0 states have call successors, (0), 0 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 11:05:34,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:34,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 161 [2021-03-24 11:05:34,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:35,057 INFO L129 PetriNetUnfolder]: 124/426 cut-off events. [2021-03-24 11:05:35,057 INFO L130 PetriNetUnfolder]: For 2077/2307 co-relation queries the response was YES. [2021-03-24 11:05:35,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1780 conditions, 426 events. 124/426 cut-off events. For 2077/2307 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 3057 event pairs, 3 based on Foata normal form. 85/488 useless extension candidates. Maximal degree in co-relation 1754. Up to 120 conditions per place. [2021-03-24 11:05:35,060 INFO L132 encePairwiseOnDemand]: 149/161 looper letters, 36 selfloop transitions, 22 changer transitions 4/93 dead transitions. [2021-03-24 11:05:35,060 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 93 transitions, 901 flow [2021-03-24 11:05:35,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 11:05:35,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 11:05:35,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1697 transitions. [2021-03-24 11:05:35,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7026915113871636 [2021-03-24 11:05:35,065 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1697 transitions. [2021-03-24 11:05:35,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1697 transitions. [2021-03-24 11:05:35,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:35,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1697 transitions. [2021-03-24 11:05:35,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 113.13333333333334) internal successors, (1697), 15 states have internal predecessors, (1697), 0 states have call successors, (0), 0 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 11:05:35,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 161.0) internal successors, (2576), 16 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:35,070 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 161.0) internal successors, (2576), 16 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:35,070 INFO L185 Difference]: Start difference. First operand has 98 places, 67 transitions, 542 flow. Second operand 15 states and 1697 transitions. [2021-03-24 11:05:35,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 93 transitions, 901 flow [2021-03-24 11:05:35,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 93 transitions, 829 flow, removed 14 selfloop flow, removed 14 redundant places. [2021-03-24 11:05:35,079 INFO L241 Difference]: Finished difference. Result has 96 places, 74 transitions, 615 flow [2021-03-24 11:05:35,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=615, PETRI_PLACES=96, PETRI_TRANSITIONS=74} [2021-03-24 11:05:35,079 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 47 predicate places. [2021-03-24 11:05:35,079 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 74 transitions, 615 flow [2021-03-24 11:05:35,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 111.45454545454545) internal successors, (1226), 11 states have internal predecessors, (1226), 0 states have call successors, (0), 0 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 11:05:35,079 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:35,079 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:35,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-24 11:05:35,080 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:35,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:35,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1776401250, now seen corresponding path program 8 times [2021-03-24 11:05:35,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:35,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596214562] [2021-03-24 11:05:35,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:35,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:35,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:35,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:35,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:35,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:35,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:35,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:35,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:35,170 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-24 11:05:35,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 11:05:35,180 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-24 11:05:35,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 11:05:35,194 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size [2021-03-24 11:05:35,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 11:05:35,210 INFO L142 QuantifierPusher]: treesize reduction 34, result has 62.6 percent of original size [2021-03-24 11:05:35,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-24 11:05:35,249 INFO L142 QuantifierPusher]: treesize reduction 10, result has 67.7 percent of original size [2021-03-24 11:05:35,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 11:05:35,275 INFO L142 QuantifierPusher]: treesize reduction 19, result has 60.4 percent of original size [2021-03-24 11:05:35,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 11:05:35,293 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size [2021-03-24 11:05:35,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 11:05:35,311 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:35,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:35,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:35,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596214562] [2021-03-24 11:05:35,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:35,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 11:05:35,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929027999] [2021-03-24 11:05:35,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 11:05:35,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:35,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 11:05:35,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-03-24 11:05:35,319 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 161 [2021-03-24 11:05:35,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 74 transitions, 615 flow. Second operand has 13 states, 13 states have (on average 105.3076923076923) internal successors, (1369), 13 states have internal predecessors, (1369), 0 states have call successors, (0), 0 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 11:05:35,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:35,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 161 [2021-03-24 11:05:35,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:35,807 INFO L129 PetriNetUnfolder]: 156/535 cut-off events. [2021-03-24 11:05:35,807 INFO L130 PetriNetUnfolder]: For 2799/3050 co-relation queries the response was YES. [2021-03-24 11:05:35,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2255 conditions, 535 events. 156/535 cut-off events. For 2799/3050 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 4068 event pairs, 1 based on Foata normal form. 78/579 useless extension candidates. Maximal degree in co-relation 2231. Up to 165 conditions per place. [2021-03-24 11:05:35,810 INFO L132 encePairwiseOnDemand]: 148/161 looper letters, 17 selfloop transitions, 22 changer transitions 30/99 dead transitions. [2021-03-24 11:05:35,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 99 transitions, 1026 flow [2021-03-24 11:05:35,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-24 11:05:35,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-24 11:05:35,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1502 transitions. [2021-03-24 11:05:35,812 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6663708961845608 [2021-03-24 11:05:35,812 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1502 transitions. [2021-03-24 11:05:35,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1502 transitions. [2021-03-24 11:05:35,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:35,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1502 transitions. [2021-03-24 11:05:35,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 107.28571428571429) internal successors, (1502), 14 states have internal predecessors, (1502), 0 states have call successors, (0), 0 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 11:05:35,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 161.0) internal successors, (2415), 15 states have internal predecessors, (2415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:35,815 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 161.0) internal successors, (2415), 15 states have internal predecessors, (2415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:35,815 INFO L185 Difference]: Start difference. First operand has 96 places, 74 transitions, 615 flow. Second operand 14 states and 1502 transitions. [2021-03-24 11:05:35,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 99 transitions, 1026 flow [2021-03-24 11:05:35,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 99 transitions, 958 flow, removed 18 selfloop flow, removed 8 redundant places. [2021-03-24 11:05:35,825 INFO L241 Difference]: Finished difference. Result has 105 places, 68 transitions, 590 flow [2021-03-24 11:05:35,825 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=590, PETRI_PLACES=105, PETRI_TRANSITIONS=68} [2021-03-24 11:05:35,826 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 56 predicate places. [2021-03-24 11:05:35,826 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 68 transitions, 590 flow [2021-03-24 11:05:35,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 105.3076923076923) internal successors, (1369), 13 states have internal predecessors, (1369), 0 states have call successors, (0), 0 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 11:05:35,826 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:35,826 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:35,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-24 11:05:35,826 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:35,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:35,826 INFO L82 PathProgramCache]: Analyzing trace with hash 83610914, now seen corresponding path program 9 times [2021-03-24 11:05:35,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:35,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023134621] [2021-03-24 11:05:35,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:35,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:35,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:35,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:35,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:35,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:35,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:35,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:35,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:35,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:35,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:35,906 INFO L142 QuantifierPusher]: treesize reduction 27, result has 71.0 percent of original size [2021-03-24 11:05:35,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-24 11:05:35,913 INFO L142 QuantifierPusher]: treesize reduction 6, result has 92.2 percent of original size [2021-03-24 11:05:35,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-24 11:05:35,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:35,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:05:35,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:35,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 11:05:35,957 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:35,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:35,961 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 11:05:35,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023134621] [2021-03-24 11:05:35,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:35,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 11:05:35,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329311979] [2021-03-24 11:05:35,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 11:05:35,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:35,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 11:05:35,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-03-24 11:05:35,963 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 161 [2021-03-24 11:05:35,964 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 68 transitions, 590 flow. Second operand has 9 states, 9 states have (on average 121.55555555555556) internal successors, (1094), 9 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:35,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:35,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 161 [2021-03-24 11:05:35,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:36,135 INFO L129 PetriNetUnfolder]: 97/345 cut-off events. [2021-03-24 11:05:36,136 INFO L130 PetriNetUnfolder]: For 1553/1678 co-relation queries the response was YES. [2021-03-24 11:05:36,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1493 conditions, 345 events. 97/345 cut-off events. For 1553/1678 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 2311 event pairs, 0 based on Foata normal form. 46/370 useless extension candidates. Maximal degree in co-relation 1465. Up to 110 conditions per place. [2021-03-24 11:05:36,138 INFO L132 encePairwiseOnDemand]: 152/161 looper letters, 19 selfloop transitions, 18 changer transitions 5/75 dead transitions. [2021-03-24 11:05:36,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 75 transitions, 761 flow [2021-03-24 11:05:36,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 11:05:36,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 11:05:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1108 transitions. [2021-03-24 11:05:36,139 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7646652864044169 [2021-03-24 11:05:36,139 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1108 transitions. [2021-03-24 11:05:36,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1108 transitions. [2021-03-24 11:05:36,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:36,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1108 transitions. [2021-03-24 11:05:36,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 123.11111111111111) internal successors, (1108), 9 states have internal predecessors, (1108), 0 states have call successors, (0), 0 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 11:05:36,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:36,142 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:36,142 INFO L185 Difference]: Start difference. First operand has 105 places, 68 transitions, 590 flow. Second operand 9 states and 1108 transitions. [2021-03-24 11:05:36,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 75 transitions, 761 flow [2021-03-24 11:05:36,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 75 transitions, 591 flow, removed 35 selfloop flow, removed 24 redundant places. [2021-03-24 11:05:36,148 INFO L241 Difference]: Finished difference. Result has 85 places, 69 transitions, 540 flow [2021-03-24 11:05:36,148 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=540, PETRI_PLACES=85, PETRI_TRANSITIONS=69} [2021-03-24 11:05:36,148 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 36 predicate places. [2021-03-24 11:05:36,148 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 69 transitions, 540 flow [2021-03-24 11:05:36,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 121.55555555555556) internal successors, (1094), 9 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:36,149 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:36,149 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:36,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-24 11:05:36,149 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:36,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:36,149 INFO L82 PathProgramCache]: Analyzing trace with hash -78452900, now seen corresponding path program 10 times [2021-03-24 11:05:36,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:36,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535467421] [2021-03-24 11:05:36,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 11:05:36,185 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 11:05:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 11:05:36,272 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 11:05:36,304 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 11:05:36,305 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 11:05:36,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-24 11:05:36,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 11:05:36 BasicIcfg [2021-03-24 11:05:36,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 11:05:36,391 INFO L168 Benchmark]: Toolchain (without parser) took 14903.30 ms. Allocated memory was 255.9 MB in the beginning and 763.4 MB in the end (delta: 507.5 MB). Free memory was 234.2 MB in the beginning and 687.5 MB in the end (delta: -453.3 MB). Peak memory consumption was 454.0 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:36,391 INFO L168 Benchmark]: CDTParser took 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 11:05:36,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.67 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 234.2 MB in the beginning and 310.5 MB in the end (delta: -76.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:36,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.45 ms. Allocated memory is still 354.4 MB. Free memory was 310.5 MB in the beginning and 307.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:36,392 INFO L168 Benchmark]: Boogie Preprocessor took 43.75 ms. Allocated memory is still 354.4 MB. Free memory was 307.7 MB in the beginning and 304.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:36,392 INFO L168 Benchmark]: RCFGBuilder took 2160.64 ms. Allocated memory was 354.4 MB in the beginning and 444.6 MB in the end (delta: 90.2 MB). Free memory was 304.2 MB in the beginning and 329.1 MB in the end (delta: -24.9 MB). Peak memory consumption was 144.4 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:36,392 INFO L168 Benchmark]: TraceAbstraction took 12237.32 ms. Allocated memory was 444.6 MB in the beginning and 763.4 MB in the end (delta: 318.8 MB). Free memory was 328.1 MB in the beginning and 687.5 MB in the end (delta: -359.4 MB). Peak memory consumption was 359.9 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:36,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 397.67 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 234.2 MB in the beginning and 310.5 MB in the end (delta: -76.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 60.45 ms. Allocated memory is still 354.4 MB. Free memory was 310.5 MB in the beginning and 307.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.75 ms. Allocated memory is still 354.4 MB. Free memory was 307.7 MB in the beginning and 304.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2160.64 ms. Allocated memory was 354.4 MB in the beginning and 444.6 MB in the end (delta: 90.2 MB). Free memory was 304.2 MB in the beginning and 329.1 MB in the end (delta: -24.9 MB). Peak memory consumption was 144.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 12237.32 ms. Allocated memory was 444.6 MB in the beginning and 763.4 MB in the end (delta: 318.8 MB). Free memory was 328.1 MB in the beginning and 687.5 MB in the end (delta: -359.4 MB). Peak memory consumption was 359.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4252.8ms, 104 PlacesBefore, 49 PlacesAfterwards, 96 TransitionsBefore, 40 TransitionsAfterwards, 1786 CoEnabledTransitionPairs, 5 FixpointIterations, 27 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 62 TotalNumberOfCompositions, 3300 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1327, positive: 1239, positive conditional: 0, positive unconditional: 1239, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 780, positive: 753, positive conditional: 0, positive unconditional: 753, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 780, positive: 753, positive conditional: 0, positive unconditional: 753, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1327, positive: 486, positive conditional: 0, positive unconditional: 486, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 780, unknown conditional: 0, unknown unconditional: 780] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L723] 0 _Bool y$flush_delayed; [L724] 0 int y$mem_tmp; [L725] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L726] 0 _Bool y$r_buff0_thd1; [L727] 0 _Bool y$r_buff0_thd2; [L728] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L729] 0 _Bool y$r_buff1_thd0; [L730] 0 _Bool y$r_buff1_thd1; [L731] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L732] 0 _Bool y$r_buff1_thd3; [L733] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L734] 0 int *y$read_delayed_var; [L735] 0 int y$w_buff0; [L736] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L737] 0 int y$w_buff1; [L738] 0 _Bool y$w_buff1_used; [L739] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L740] 0 _Bool weak$$choice2; [L854] 0 pthread_t t2321; [L855] FCALL, FORK 0 pthread_create(&t2321, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L856] 0 pthread_t t2322; [L857] FCALL, FORK 0 pthread_create(&t2322, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L784] 2 y$w_buff1 = y$w_buff0 [L785] 2 y$w_buff0 = 2 [L786] 2 y$w_buff1_used = y$w_buff0_used [L787] 2 y$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L789] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L790] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L791] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L792] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L793] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L796] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L858] 0 pthread_t t2323; [L859] FCALL, FORK 0 pthread_create(&t2323, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L813] 3 __unbuffered_p2_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L816] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L817] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L818] 3 y$flush_delayed = weak$$choice2 [L819] 3 y$mem_tmp = y [L820] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L820] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L821] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L821] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L821] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L821] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L822] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L822] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L822] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L822] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L823] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L823] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used) [L823] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L823] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L824] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L824] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L824] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L824] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L825] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3) [L825] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L825] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L826] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L826] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] 3 __unbuffered_p2_EBX = y [L828] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L828] 3 y = y$flush_delayed ? y$mem_tmp : y [L829] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L833] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L833] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L834] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L834] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L835] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L835] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L836] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L836] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L744] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L748] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L749] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L750] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L751] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L754] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L755] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L756] 1 y$flush_delayed = weak$$choice2 [L757] 1 y$mem_tmp = y [L758] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L758] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L759] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L759] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L760] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L760] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L761] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L761] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L762] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L763] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L763] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L764] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L765] 1 __unbuffered_p0_EAX = y [L766] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L766] 1 y = y$flush_delayed ? y$mem_tmp : y [L767] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L770] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L770] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L771] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L771] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L772] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L772] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L773] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L773] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L774] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L774] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L799] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L799] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L800] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L800] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L801] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L802] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L802] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L803] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L803] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L839] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L841] 3 return 0; [L806] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 2 return 0; [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L861] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L865] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L865] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L866] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L866] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L867] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L867] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L868] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L868] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L869] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L869] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L872] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L873] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L874] 0 y$flush_delayed = weak$$choice2 [L875] 0 y$mem_tmp = y [L876] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L876] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L877] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L877] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L877] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L877] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L878] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L878] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L878] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L878] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L879] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L879] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L879] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L879] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L880] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L880] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L880] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L880] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L881] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L881] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L881] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L881] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L882] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L882] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L882] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L882] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L883] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L884] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L884] 0 y = y$flush_delayed ? y$mem_tmp : y [L885] 0 y$flush_delayed = (_Bool)0 [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 12021.8ms, OverallIterations: 21, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4365.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4310.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 156 SDtfs, 260 SDslu, 325 SDs, 0 SdLazy, 1515 SolverSat, 572 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1597.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 231 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 2286.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=701occurred in iteration=16, InterpolantAutomatonStates: 178, 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: 71.1ms SsaConstructionTime, 643.7ms SatisfiabilityAnalysisTime, 2323.0ms InterpolantComputationTime, 578 NumberOfCodeBlocks, 578 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 526 ConstructedInterpolants, 0 QuantifiedInterpolants, 4822 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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...