/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 01:26:52,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 01:26:52,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 01:26:52,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 01:26:52,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 01:26:52,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 01:26:52,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 01:26:52,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 01:26:52,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 01:26:52,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 01:26:52,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 01:26:52,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 01:26:52,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 01:26:52,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 01:26:52,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 01:26:52,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 01:26:52,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 01:26:52,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 01:26:52,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 01:26:52,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 01:26:52,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 01:26:52,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 01:26:52,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 01:26:52,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 01:26:52,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 01:26:52,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 01:26:52,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 01:26:52,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 01:26:52,828 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-NoLbe.epf [2021-03-11 01:26:52,862 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 01:26:52,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 01:26:52,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 01:26:52,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 01:26:52,866 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 01:26:52,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 01:26:52,866 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 01:26:52,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 01:26:52,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 01:26:52,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 01:26:52,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 01:26:52,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 01:26:52,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 01:26:52,868 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 01:26:52,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 01:26:52,868 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 01:26:52,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 01:26:52,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 01:26:52,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 01:26:52,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 01:26:52,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 01:26:52,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 01:26:52,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 01:26:52,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 01:26:52,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 01:26:52,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 01:26:52,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 01:26:52,871 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-11 01:26:52,871 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 01:26:52,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 01:26:53,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 01:26:53,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 01:26:53,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 01:26:53,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 01:26:53,210 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 01:26:53,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-03-11 01:26:53,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b13e9816/3fe1805276f64ada97f1034fa160ea5f/FLAGcd8255714 [2021-03-11 01:26:53,781 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 01:26:53,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-03-11 01:26:53,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b13e9816/3fe1805276f64ada97f1034fa160ea5f/FLAGcd8255714 [2021-03-11 01:26:54,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b13e9816/3fe1805276f64ada97f1034fa160ea5f [2021-03-11 01:26:54,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 01:26:54,271 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 01:26:54,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 01:26:54,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 01:26:54,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 01:26:54,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 01:26:54" (1/1) ... [2021-03-11 01:26:54,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76df7a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:54, skipping insertion in model container [2021-03-11 01:26:54,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 01:26:54" (1/1) ... [2021-03-11 01:26:54,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 01:26:54,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 01:26:54,442 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 01:26:54,567 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-atomic/read_write_lock-1.i[31246,31259] [2021-03-11 01:26:54,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 01:26:54,586 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 01:26:54,615 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 01:26:54,638 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-atomic/read_write_lock-1.i[31246,31259] [2021-03-11 01:26:54,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 01:26:54,701 INFO L208 MainTranslator]: Completed translation [2021-03-11 01:26:54,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:54 WrapperNode [2021-03-11 01:26:54,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 01:26:54,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 01:26:54,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 01:26:54,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 01:26:54,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:54" (1/1) ... [2021-03-11 01:26:54,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:54" (1/1) ... [2021-03-11 01:26:54,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 01:26:54,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 01:26:54,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 01:26:54,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 01:26:54,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:54" (1/1) ... [2021-03-11 01:26:54,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:54" (1/1) ... [2021-03-11 01:26:54,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:54" (1/1) ... [2021-03-11 01:26:54,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:54" (1/1) ... [2021-03-11 01:26:54,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:54" (1/1) ... [2021-03-11 01:26:54,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:54" (1/1) ... [2021-03-11 01:26:54,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:54" (1/1) ... [2021-03-11 01:26:54,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 01:26:54,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 01:26:54,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 01:26:54,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 01:26:54,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:54" (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 [2021-03-11 01:26:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 01:26:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 01:26:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 01:26:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-03-11 01:26:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-03-11 01:26:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 01:26:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 01:26:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 01:26:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 01:26:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 01:26:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 01:26:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-03-11 01:26:54,834 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-03-11 01:26:54,835 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 01:26:55,253 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 01:26:55,253 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-11 01:26:55,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 01:26:55 BoogieIcfgContainer [2021-03-11 01:26:55,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 01:26:55,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 01:26:55,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 01:26:55,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 01:26:55,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 01:26:54" (1/3) ... [2021-03-11 01:26:55,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689461ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 01:26:55, skipping insertion in model container [2021-03-11 01:26:55,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 01:26:54" (2/3) ... [2021-03-11 01:26:55,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@689461ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 01:26:55, skipping insertion in model container [2021-03-11 01:26:55,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 01:26:55" (3/3) ... [2021-03-11 01:26:55,260 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2021-03-11 01:26:55,265 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 01:26:55,281 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 01:26:55,282 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 01:26:55,331 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,331 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,331 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,332 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,332 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,332 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,332 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,332 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,332 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,333 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,333 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,333 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,333 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,333 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,333 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,333 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,334 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,334 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,334 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,334 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,334 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,334 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,335 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,335 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,335 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,335 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,335 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,335 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,335 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,336 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,336 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,336 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,336 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,336 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,337 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,337 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,337 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,337 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,337 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,337 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,338 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,338 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,338 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,338 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,338 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,338 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,338 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,339 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,339 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,339 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,339 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,339 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,340 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,340 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,340 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,340 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,340 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,340 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,340 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,341 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,341 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,341 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,341 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,341 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,341 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,342 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,342 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,342 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,342 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,342 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,343 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,343 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,343 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,343 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,343 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,343 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,343 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,344 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,344 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,344 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,344 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,375 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,375 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,375 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,376 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,376 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,376 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,376 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,376 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,376 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,376 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,377 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,377 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,377 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,377 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,377 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,377 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,377 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,379 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,379 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,388 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,388 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,388 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,388 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,389 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,389 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,389 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,389 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,389 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,395 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,395 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,395 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,395 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,395 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,395 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,399 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,399 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,399 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,399 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,399 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,400 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,400 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,400 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,400 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,402 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,402 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,402 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,403 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,403 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,403 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 01:26:55,419 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-03-11 01:26:55,434 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-11 01:26:55,451 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 01:26:55,451 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 01:26:55,451 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 01:26:55,451 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 01:26:55,452 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 01:26:55,452 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 01:26:55,452 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 01:26:55,452 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 01:26:55,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 108 transitions, 284 flow [2021-03-11 01:26:55,505 INFO L129 PetriNetUnfolder]: 19/142 cut-off events. [2021-03-11 01:26:55,505 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-03-11 01:26:55,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 142 events. 19/142 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 322 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 95. Up to 12 conditions per place. [2021-03-11 01:26:55,514 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 108 transitions, 284 flow [2021-03-11 01:26:55,518 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 88 transitions, 224 flow [2021-03-11 01:26:55,538 INFO L129 PetriNetUnfolder]: 1/54 cut-off events. [2021-03-11 01:26:55,538 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-11 01:26:55,538 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:26:55,539 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:26:55,540 INFO L428 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:26:55,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:26:55,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1965809367, now seen corresponding path program 1 times [2021-03-11 01:26:55,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:26:55,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257316596] [2021-03-11 01:26:55,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:26:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:26:55,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:55,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:55,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:55,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:55,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:55,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:55,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:55,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:55,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:55,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:55,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:55,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 01:26:55,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257316596] [2021-03-11 01:26:55,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:26:55,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 01:26:55,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423889828] [2021-03-11 01:26:55,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 01:26:55,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:26:55,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 01:26:55,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 01:26:55,761 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 108 [2021-03-11 01:26:55,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 88 transitions, 224 flow. Second operand has 6 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:55,764 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:26:55,764 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 108 [2021-03-11 01:26:55,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:26:56,284 INFO L129 PetriNetUnfolder]: 732/2631 cut-off events. [2021-03-11 01:26:56,284 INFO L130 PetriNetUnfolder]: For 538/538 co-relation queries the response was YES. [2021-03-11 01:26:56,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4040 conditions, 2631 events. 732/2631 cut-off events. For 538/538 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 25445 event pairs, 121 based on Foata normal form. 108/2624 useless extension candidates. Maximal degree in co-relation 3287. Up to 388 conditions per place. [2021-03-11 01:26:56,321 INFO L132 encePairwiseOnDemand]: 97/108 looper letters, 45 selfloop transitions, 24 changer transitions 0/139 dead transitions. [2021-03-11 01:26:56,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 139 transitions, 464 flow [2021-03-11 01:26:56,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 01:26:56,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 01:26:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 983 transitions. [2021-03-11 01:26:56,340 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9101851851851852 [2021-03-11 01:26:56,340 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 983 transitions. [2021-03-11 01:26:56,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 983 transitions. [2021-03-11 01:26:56,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:26:56,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 983 transitions. [2021-03-11 01:26:56,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 98.3) internal successors, (983), 10 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:56,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 108.0) internal successors, (1188), 11 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:56,366 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 108.0) internal successors, (1188), 11 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:56,367 INFO L185 Difference]: Start difference. First operand has 90 places, 88 transitions, 224 flow. Second operand 10 states and 983 transitions. [2021-03-11 01:26:56,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 139 transitions, 464 flow [2021-03-11 01:26:56,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 139 transitions, 432 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-11 01:26:56,388 INFO L241 Difference]: Finished difference. Result has 99 places, 111 transitions, 363 flow [2021-03-11 01:26:56,390 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=363, PETRI_PLACES=99, PETRI_TRANSITIONS=111} [2021-03-11 01:26:56,392 INFO L335 CegarLoopForPetriNet]: 90 programPoint places, 9 predicate places. [2021-03-11 01:26:56,392 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 111 transitions, 363 flow [2021-03-11 01:26:56,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:56,392 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:26:56,393 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:26:56,393 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 01:26:56,393 INFO L428 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:26:56,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:26:56,394 INFO L82 PathProgramCache]: Analyzing trace with hash -2131678244, now seen corresponding path program 1 times [2021-03-11 01:26:56,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:26:56,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916315971] [2021-03-11 01:26:56,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:26:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:26:56,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:56,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:56,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:56,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:56,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:56,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 01:26:56,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916315971] [2021-03-11 01:26:56,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:26:56,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 01:26:56,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366326749] [2021-03-11 01:26:56,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 01:26:56,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:26:56,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 01:26:56,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 01:26:56,533 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 108 [2021-03-11 01:26:56,534 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 111 transitions, 363 flow. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:56,534 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:26:56,534 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 108 [2021-03-11 01:26:56,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:26:56,740 INFO L129 PetriNetUnfolder]: 353/1908 cut-off events. [2021-03-11 01:26:56,740 INFO L130 PetriNetUnfolder]: For 238/244 co-relation queries the response was YES. [2021-03-11 01:26:56,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2600 conditions, 1908 events. 353/1908 cut-off events. For 238/244 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 18776 event pairs, 47 based on Foata normal form. 28/1841 useless extension candidates. Maximal degree in co-relation 2259. Up to 258 conditions per place. [2021-03-11 01:26:56,761 INFO L132 encePairwiseOnDemand]: 102/108 looper letters, 3 selfloop transitions, 4 changer transitions 0/111 dead transitions. [2021-03-11 01:26:56,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 111 transitions, 377 flow [2021-03-11 01:26:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 01:26:56,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 01:26:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 308 transitions. [2021-03-11 01:26:56,763 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9506172839506173 [2021-03-11 01:26:56,764 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 308 transitions. [2021-03-11 01:26:56,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 308 transitions. [2021-03-11 01:26:56,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:26:56,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 308 transitions. [2021-03-11 01:26:56,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:56,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:56,766 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:56,766 INFO L185 Difference]: Start difference. First operand has 99 places, 111 transitions, 363 flow. Second operand 3 states and 308 transitions. [2021-03-11 01:26:56,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 111 transitions, 377 flow [2021-03-11 01:26:56,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 111 transitions, 377 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 01:26:56,775 INFO L241 Difference]: Finished difference. Result has 102 places, 111 transitions, 379 flow [2021-03-11 01:26:56,775 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=379, PETRI_PLACES=102, PETRI_TRANSITIONS=111} [2021-03-11 01:26:56,776 INFO L335 CegarLoopForPetriNet]: 90 programPoint places, 12 predicate places. [2021-03-11 01:26:56,776 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 111 transitions, 379 flow [2021-03-11 01:26:56,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:56,776 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:26:56,776 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:26:56,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 01:26:56,777 INFO L428 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:26:56,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:26:56,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1876147264, now seen corresponding path program 2 times [2021-03-11 01:26:56,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:26:56,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878908510] [2021-03-11 01:26:56,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:26:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:26:56,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:56,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:56,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:56,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:56,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:56,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:56,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:56,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 01:26:56,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878908510] [2021-03-11 01:26:56,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:26:56,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 01:26:56,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51395733] [2021-03-11 01:26:56,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 01:26:56,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:26:56,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 01:26:56,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 01:26:56,880 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 108 [2021-03-11 01:26:56,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 111 transitions, 379 flow. Second operand has 4 states, 4 states have (on average 99.75) internal successors, (399), 4 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:56,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:26:56,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 108 [2021-03-11 01:26:56,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:26:57,155 INFO L129 PetriNetUnfolder]: 426/2105 cut-off events. [2021-03-11 01:26:57,155 INFO L130 PetriNetUnfolder]: For 428/489 co-relation queries the response was YES. [2021-03-11 01:26:57,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2957 conditions, 2105 events. 426/2105 cut-off events. For 428/489 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 21217 event pairs, 9 based on Foata normal form. 16/2042 useless extension candidates. Maximal degree in co-relation 2594. Up to 308 conditions per place. [2021-03-11 01:26:57,175 INFO L132 encePairwiseOnDemand]: 101/108 looper letters, 8 selfloop transitions, 9 changer transitions 0/121 dead transitions. [2021-03-11 01:26:57,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 121 transitions, 447 flow [2021-03-11 01:26:57,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 01:26:57,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 01:26:57,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 415 transitions. [2021-03-11 01:26:57,177 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9606481481481481 [2021-03-11 01:26:57,177 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 415 transitions. [2021-03-11 01:26:57,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 415 transitions. [2021-03-11 01:26:57,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:26:57,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 415 transitions. [2021-03-11 01:26:57,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 103.75) internal successors, (415), 4 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:57,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 108.0) internal successors, (540), 5 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:57,180 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 108.0) internal successors, (540), 5 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:57,180 INFO L185 Difference]: Start difference. First operand has 102 places, 111 transitions, 379 flow. Second operand 4 states and 415 transitions. [2021-03-11 01:26:57,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 121 transitions, 447 flow [2021-03-11 01:26:57,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 121 transitions, 435 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 01:26:57,190 INFO L241 Difference]: Finished difference. Result has 106 places, 119 transitions, 445 flow [2021-03-11 01:26:57,191 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=445, PETRI_PLACES=106, PETRI_TRANSITIONS=119} [2021-03-11 01:26:57,192 INFO L335 CegarLoopForPetriNet]: 90 programPoint places, 16 predicate places. [2021-03-11 01:26:57,192 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 119 transitions, 445 flow [2021-03-11 01:26:57,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 99.75) internal successors, (399), 4 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:57,192 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:26:57,192 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:26:57,192 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 01:26:57,193 INFO L428 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:26:57,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:26:57,193 INFO L82 PathProgramCache]: Analyzing trace with hash 948191352, now seen corresponding path program 1 times [2021-03-11 01:26:57,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:26:57,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328046621] [2021-03-11 01:26:57,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:26:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:26:57,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:57,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:57,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:57,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:57,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:57,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:57,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:57,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:57,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:57,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:57,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:57,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:57,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 01:26:57,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328046621] [2021-03-11 01:26:57,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:26:57,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 01:26:57,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432663886] [2021-03-11 01:26:57,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 01:26:57,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:26:57,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 01:26:57,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 01:26:57,273 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 108 [2021-03-11 01:26:57,274 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 119 transitions, 445 flow. Second operand has 6 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:57,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:26:57,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 108 [2021-03-11 01:26:57,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:26:57,859 INFO L129 PetriNetUnfolder]: 889/3720 cut-off events. [2021-03-11 01:26:57,860 INFO L130 PetriNetUnfolder]: For 1716/1817 co-relation queries the response was YES. [2021-03-11 01:26:57,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6372 conditions, 3720 events. 889/3720 cut-off events. For 1716/1817 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 40041 event pairs, 76 based on Foata normal form. 28/3599 useless extension candidates. Maximal degree in co-relation 5432. Up to 498 conditions per place. [2021-03-11 01:26:57,905 INFO L132 encePairwiseOnDemand]: 99/108 looper letters, 65 selfloop transitions, 55 changer transitions 0/200 dead transitions. [2021-03-11 01:26:57,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 200 transitions, 1095 flow [2021-03-11 01:26:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 01:26:57,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 01:26:57,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 972 transitions. [2021-03-11 01:26:57,910 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9 [2021-03-11 01:26:57,910 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 972 transitions. [2021-03-11 01:26:57,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 972 transitions. [2021-03-11 01:26:57,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:26:57,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 972 transitions. [2021-03-11 01:26:57,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 97.2) internal successors, (972), 10 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:57,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 108.0) internal successors, (1188), 11 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:57,916 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 108.0) internal successors, (1188), 11 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:57,916 INFO L185 Difference]: Start difference. First operand has 106 places, 119 transitions, 445 flow. Second operand 10 states and 972 transitions. [2021-03-11 01:26:57,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 200 transitions, 1095 flow [2021-03-11 01:26:57,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 200 transitions, 1095 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 01:26:57,931 INFO L241 Difference]: Finished difference. Result has 123 places, 168 transitions, 962 flow [2021-03-11 01:26:57,932 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=962, PETRI_PLACES=123, PETRI_TRANSITIONS=168} [2021-03-11 01:26:57,932 INFO L335 CegarLoopForPetriNet]: 90 programPoint places, 33 predicate places. [2021-03-11 01:26:57,932 INFO L480 AbstractCegarLoop]: Abstraction has has 123 places, 168 transitions, 962 flow [2021-03-11 01:26:57,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:57,932 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:26:57,933 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:26:57,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 01:26:57,934 INFO L428 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:26:57,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:26:57,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1156340370, now seen corresponding path program 1 times [2021-03-11 01:26:57,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:26:57,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104937899] [2021-03-11 01:26:57,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:26:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:26:57,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:57,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:57,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:57,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:57,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:57,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:57,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:57,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:57,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:57,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:57,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:57,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 01:26:57,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104937899] [2021-03-11 01:26:57,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:26:57,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 01:26:57,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638729002] [2021-03-11 01:26:57,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 01:26:57,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:26:57,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 01:26:57,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 01:26:57,999 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 108 [2021-03-11 01:26:58,000 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 168 transitions, 962 flow. Second operand has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:58,000 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:26:58,000 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 108 [2021-03-11 01:26:58,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:26:58,611 INFO L129 PetriNetUnfolder]: 909/3830 cut-off events. [2021-03-11 01:26:58,612 INFO L130 PetriNetUnfolder]: For 3652/3839 co-relation queries the response was YES. [2021-03-11 01:26:58,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7532 conditions, 3830 events. 909/3830 cut-off events. For 3652/3839 co-relation queries the response was YES. Maximal size of possible extension queue 345. Compared 41514 event pairs, 67 based on Foata normal form. 84/3795 useless extension candidates. Maximal degree in co-relation 6902. Up to 516 conditions per place. [2021-03-11 01:26:58,658 INFO L132 encePairwiseOnDemand]: 99/108 looper letters, 62 selfloop transitions, 69 changer transitions 0/210 dead transitions. [2021-03-11 01:26:58,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 210 transitions, 1521 flow [2021-03-11 01:26:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 01:26:58,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 01:26:58,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 864 transitions. [2021-03-11 01:26:58,660 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-03-11 01:26:58,661 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 864 transitions. [2021-03-11 01:26:58,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 864 transitions. [2021-03-11 01:26:58,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:26:58,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 864 transitions. [2021-03-11 01:26:58,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 96.0) internal successors, (864), 9 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:58,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 108.0) internal successors, (1080), 10 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:58,665 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 108.0) internal successors, (1080), 10 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:58,665 INFO L185 Difference]: Start difference. First operand has 123 places, 168 transitions, 962 flow. Second operand 9 states and 864 transitions. [2021-03-11 01:26:58,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 210 transitions, 1521 flow [2021-03-11 01:26:58,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 210 transitions, 1521 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 01:26:58,689 INFO L241 Difference]: Finished difference. Result has 136 places, 186 transitions, 1352 flow [2021-03-11 01:26:58,689 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=962, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1352, PETRI_PLACES=136, PETRI_TRANSITIONS=186} [2021-03-11 01:26:58,690 INFO L335 CegarLoopForPetriNet]: 90 programPoint places, 46 predicate places. [2021-03-11 01:26:58,690 INFO L480 AbstractCegarLoop]: Abstraction has has 136 places, 186 transitions, 1352 flow [2021-03-11 01:26:58,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:58,690 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:26:58,690 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:26:58,690 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 01:26:58,691 INFO L428 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:26:58,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:26:58,691 INFO L82 PathProgramCache]: Analyzing trace with hash -877804656, now seen corresponding path program 1 times [2021-03-11 01:26:58,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:26:58,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716904624] [2021-03-11 01:26:58,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:26:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:26:58,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:58,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:58,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:58,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:58,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:58,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:58,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:58,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 01:26:58,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716904624] [2021-03-11 01:26:58,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:26:58,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 01:26:58,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753352732] [2021-03-11 01:26:58,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 01:26:58,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:26:58,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 01:26:58,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 01:26:58,734 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 108 [2021-03-11 01:26:58,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 186 transitions, 1352 flow. Second operand has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:58,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:26:58,735 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 108 [2021-03-11 01:26:58,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:26:59,368 INFO L129 PetriNetUnfolder]: 935/3967 cut-off events. [2021-03-11 01:26:59,369 INFO L130 PetriNetUnfolder]: For 6322/6441 co-relation queries the response was YES. [2021-03-11 01:26:59,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8366 conditions, 3967 events. 935/3967 cut-off events. For 6322/6441 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 43477 event pairs, 58 based on Foata normal form. 64/3913 useless extension candidates. Maximal degree in co-relation 7493. Up to 532 conditions per place. [2021-03-11 01:26:59,415 INFO L132 encePairwiseOnDemand]: 99/108 looper letters, 68 selfloop transitions, 80 changer transitions 0/230 dead transitions. [2021-03-11 01:26:59,416 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 230 transitions, 2017 flow [2021-03-11 01:26:59,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 01:26:59,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 01:26:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 865 transitions. [2021-03-11 01:26:59,419 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8899176954732511 [2021-03-11 01:26:59,422 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 865 transitions. [2021-03-11 01:26:59,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 865 transitions. [2021-03-11 01:26:59,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:26:59,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 865 transitions. [2021-03-11 01:26:59,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 96.11111111111111) internal successors, (865), 9 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:59,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 108.0) internal successors, (1080), 10 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:59,427 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 108.0) internal successors, (1080), 10 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:59,427 INFO L185 Difference]: Start difference. First operand has 136 places, 186 transitions, 1352 flow. Second operand 9 states and 865 transitions. [2021-03-11 01:26:59,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 230 transitions, 2017 flow [2021-03-11 01:26:59,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 230 transitions, 2001 flow, removed 8 selfloop flow, removed 0 redundant places. [2021-03-11 01:26:59,472 INFO L241 Difference]: Finished difference. Result has 149 places, 204 transitions, 1802 flow [2021-03-11 01:26:59,472 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=1342, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1802, PETRI_PLACES=149, PETRI_TRANSITIONS=204} [2021-03-11 01:26:59,472 INFO L335 CegarLoopForPetriNet]: 90 programPoint places, 59 predicate places. [2021-03-11 01:26:59,473 INFO L480 AbstractCegarLoop]: Abstraction has has 149 places, 204 transitions, 1802 flow [2021-03-11 01:26:59,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:59,473 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:26:59,473 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:26:59,473 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 01:26:59,474 INFO L428 AbstractCegarLoop]: === Iteration 7 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:26:59,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:26:59,475 INFO L82 PathProgramCache]: Analyzing trace with hash -292214019, now seen corresponding path program 1 times [2021-03-11 01:26:59,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:26:59,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273521006] [2021-03-11 01:26:59,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:26:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:26:59,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:59,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:59,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:59,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:59,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:59,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:59,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:59,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:26:59,559 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-03-11 01:26:59,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 01:26:59,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:26:59,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:26:59,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 01:26:59,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273521006] [2021-03-11 01:26:59,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:26:59,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 01:26:59,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803138738] [2021-03-11 01:26:59,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 01:26:59,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:26:59,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 01:26:59,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-11 01:26:59,573 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 108 [2021-03-11 01:26:59,573 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 204 transitions, 1802 flow. Second operand has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:26:59,574 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:26:59,574 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 108 [2021-03-11 01:26:59,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:27:00,026 INFO L129 PetriNetUnfolder]: 603/3096 cut-off events. [2021-03-11 01:27:00,027 INFO L130 PetriNetUnfolder]: For 3926/4122 co-relation queries the response was YES. [2021-03-11 01:27:00,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5888 conditions, 3096 events. 603/3096 cut-off events. For 3926/4122 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 34761 event pairs, 6 based on Foata normal form. 97/3107 useless extension candidates. Maximal degree in co-relation 5633. Up to 464 conditions per place. [2021-03-11 01:27:00,053 INFO L132 encePairwiseOnDemand]: 99/108 looper letters, 5 selfloop transitions, 17 changer transitions 26/184 dead transitions. [2021-03-11 01:27:00,053 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 184 transitions, 1428 flow [2021-03-11 01:27:00,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 01:27:00,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 01:27:00,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 702 transitions. [2021-03-11 01:27:00,056 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9285714285714286 [2021-03-11 01:27:00,056 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 702 transitions. [2021-03-11 01:27:00,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 702 transitions. [2021-03-11 01:27:00,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:27:00,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 702 transitions. [2021-03-11 01:27:00,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 100.28571428571429) internal successors, (702), 7 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:27:00,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 108.0) internal successors, (864), 8 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:27:00,060 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 108.0) internal successors, (864), 8 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:27:00,060 INFO L185 Difference]: Start difference. First operand has 149 places, 204 transitions, 1802 flow. Second operand 7 states and 702 transitions. [2021-03-11 01:27:00,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 184 transitions, 1428 flow [2021-03-11 01:27:00,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 184 transitions, 1328 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-11 01:27:00,083 INFO L241 Difference]: Finished difference. Result has 150 places, 158 transitions, 1076 flow [2021-03-11 01:27:00,084 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=1222, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1076, PETRI_PLACES=150, PETRI_TRANSITIONS=158} [2021-03-11 01:27:00,084 INFO L335 CegarLoopForPetriNet]: 90 programPoint places, 60 predicate places. [2021-03-11 01:27:00,084 INFO L480 AbstractCegarLoop]: Abstraction has has 150 places, 158 transitions, 1076 flow [2021-03-11 01:27:00,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:27:00,084 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 01:27:00,085 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 01:27:00,085 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 01:27:00,085 INFO L428 AbstractCegarLoop]: === Iteration 8 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-11 01:27:00,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 01:27:00,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1404510571, now seen corresponding path program 2 times [2021-03-11 01:27:00,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 01:27:00,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771550516] [2021-03-11 01:27:00,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 01:27:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 01:27:00,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:27:00,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:00,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:00,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:00,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 01:27:00,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 01:27:00,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 01:27:00,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 01:27:00,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771550516] [2021-03-11 01:27:00,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 01:27:00,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 01:27:00,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64451638] [2021-03-11 01:27:00,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 01:27:00,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 01:27:00,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 01:27:00,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 01:27:00,159 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 108 [2021-03-11 01:27:00,160 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 158 transitions, 1076 flow. Second operand has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:27:00,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 01:27:00,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 108 [2021-03-11 01:27:00,160 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 01:27:00,262 INFO L129 PetriNetUnfolder]: 130/797 cut-off events. [2021-03-11 01:27:00,262 INFO L130 PetriNetUnfolder]: For 967/1050 co-relation queries the response was YES. [2021-03-11 01:27:00,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1657 conditions, 797 events. 130/797 cut-off events. For 967/1050 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 6218 event pairs, 2 based on Foata normal form. 12/786 useless extension candidates. Maximal degree in co-relation 1625. Up to 108 conditions per place. [2021-03-11 01:27:00,269 INFO L132 encePairwiseOnDemand]: 101/108 looper letters, 0 selfloop transitions, 0 changer transitions 112/112 dead transitions. [2021-03-11 01:27:00,269 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 112 transitions, 630 flow [2021-03-11 01:27:00,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 01:27:00,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 01:27:00,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 508 transitions. [2021-03-11 01:27:00,271 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9407407407407408 [2021-03-11 01:27:00,271 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 508 transitions. [2021-03-11 01:27:00,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 508 transitions. [2021-03-11 01:27:00,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 01:27:00,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 508 transitions. [2021-03-11 01:27:00,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 101.6) internal successors, (508), 5 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:27:00,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 108.0) internal successors, (648), 6 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:27:00,274 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 108.0) internal successors, (648), 6 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:27:00,274 INFO L185 Difference]: Start difference. First operand has 150 places, 158 transitions, 1076 flow. Second operand 5 states and 508 transitions. [2021-03-11 01:27:00,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 112 transitions, 630 flow [2021-03-11 01:27:00,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 112 transitions, 477 flow, removed 20 selfloop flow, removed 27 redundant places. [2021-03-11 01:27:00,279 INFO L241 Difference]: Finished difference. Result has 115 places, 0 transitions, 0 flow [2021-03-11 01:27:00,280 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=115, PETRI_TRANSITIONS=0} [2021-03-11 01:27:00,280 INFO L335 CegarLoopForPetriNet]: 90 programPoint places, 25 predicate places. [2021-03-11 01:27:00,280 INFO L480 AbstractCegarLoop]: Abstraction has has 115 places, 0 transitions, 0 flow [2021-03-11 01:27:00,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 01:27:00,280 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 01:27:00,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 01:27:00 BasicIcfg [2021-03-11 01:27:00,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 01:27:00,288 INFO L168 Benchmark]: Toolchain (without parser) took 6018.22 ms. Allocated memory was 255.9 MB in the beginning and 457.2 MB in the end (delta: 201.3 MB). Free memory was 232.5 MB in the beginning and 334.7 MB in the end (delta: -102.2 MB). Peak memory consumption was 98.7 MB. Max. memory is 16.0 GB. [2021-03-11 01:27:00,289 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 01:27:00,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.98 ms. Allocated memory was 255.9 MB in the beginning and 379.6 MB in the end (delta: 123.7 MB). Free memory was 231.9 MB in the beginning and 342.3 MB in the end (delta: -110.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-11 01:27:00,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.06 ms. Allocated memory is still 379.6 MB. Free memory was 342.3 MB in the beginning and 339.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 01:27:00,290 INFO L168 Benchmark]: Boogie Preprocessor took 18.76 ms. Allocated memory is still 379.6 MB. Free memory was 339.9 MB in the beginning and 338.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 01:27:00,292 INFO L168 Benchmark]: RCFGBuilder took 498.34 ms. Allocated memory is still 379.6 MB. Free memory was 338.9 MB in the beginning and 308.1 MB in the end (delta: 30.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-03-11 01:27:00,293 INFO L168 Benchmark]: TraceAbstraction took 5028.78 ms. Allocated memory was 379.6 MB in the beginning and 457.2 MB in the end (delta: 77.6 MB). Free memory was 307.4 MB in the beginning and 334.7 MB in the end (delta: -27.3 MB). Peak memory consumption was 52.1 MB. Max. memory is 16.0 GB. [2021-03-11 01:27:00,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 427.98 ms. Allocated memory was 255.9 MB in the beginning and 379.6 MB in the end (delta: 123.7 MB). Free memory was 231.9 MB in the beginning and 342.3 MB in the end (delta: -110.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 34.06 ms. Allocated memory is still 379.6 MB. Free memory was 342.3 MB in the beginning and 339.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.76 ms. Allocated memory is still 379.6 MB. Free memory was 339.9 MB in the beginning and 338.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 498.34 ms. Allocated memory is still 379.6 MB. Free memory was 338.9 MB in the beginning and 308.1 MB in the end (delta: 30.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5028.78 ms. Allocated memory was 379.6 MB in the beginning and 457.2 MB in the end (delta: 77.6 MB). Free memory was 307.4 MB in the beginning and 334.7 MB in the end (delta: -27.3 MB). Peak memory consumption was 52.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 739]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 20.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 4833.8ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3924.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 66.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 119 SDtfs, 171 SDslu, 159 SDs, 0 SdLazy, 525 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 324.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 301.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1802occurred in iteration=6, InterpolantAutomatonStates: 57, 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: 37.7ms SsaConstructionTime, 153.5ms SatisfiabilityAnalysisTime, 455.8ms InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 548 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 correct! Received shutdown request...