/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-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 03:18:01,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 03:18:01,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 03:18:01,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 03:18:01,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 03:18:01,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 03:18:01,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 03:18:01,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 03:18:01,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 03:18:01,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 03:18:01,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 03:18:01,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 03:18:01,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 03:18:01,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 03:18:01,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 03:18:01,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 03:18:01,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 03:18:01,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 03:18:01,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 03:18:01,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 03:18:01,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 03:18:01,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 03:18:01,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 03:18:01,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 03:18:01,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 03:18:01,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 03:18:01,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 03:18:01,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 03:18:01,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 03:18:01,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 03:18:01,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 03:18:01,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 03:18:01,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 03:18:01,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 03:18:01,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 03:18:01,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 03:18:01,897 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-RepeatedVariableLbe.epf [2021-03-25 03:18:01,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 03:18:01,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 03:18:01,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 03:18:01,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 03:18:01,934 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 03:18:01,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 03:18:01,935 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 03:18:01,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 03:18:01,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 03:18:01,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 03:18:01,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 03:18:01,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 03:18:01,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 03:18:01,937 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 03:18:01,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 03:18:01,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 03:18:01,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 03:18:01,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 03:18:01,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 03:18:01,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 03:18:01,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 03:18:01,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 03:18:01,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 03:18:01,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 03:18:01,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 03:18:01,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 03:18:01,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 03:18:01,939 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 03:18:01,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 03:18:01,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 03:18:01,940 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 03:18:02,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 03:18:02,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 03:18:02,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 03:18:02,305 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 03:18:02,305 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 03:18:02,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-03-25 03:18:02,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70fe68f5d/0bc908e170e4411bbae263df1ee71ed6/FLAG5bbe3eea4 [2021-03-25 03:18:02,859 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 03:18:02,860 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-03-25 03:18:02,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70fe68f5d/0bc908e170e4411bbae263df1ee71ed6/FLAG5bbe3eea4 [2021-03-25 03:18:03,190 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70fe68f5d/0bc908e170e4411bbae263df1ee71ed6 [2021-03-25 03:18:03,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 03:18:03,209 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 03:18:03,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 03:18:03,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 03:18:03,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 03:18:03,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 03:18:03" (1/1) ... [2021-03-25 03:18:03,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8b90fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:18:03, skipping insertion in model container [2021-03-25 03:18:03,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 03:18:03" (1/1) ... [2021-03-25 03:18:03,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 03:18:03,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 03:18:03,381 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-25 03:18:03,580 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] [2021-03-25 03:18:03,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 03:18:03,600 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 03:18:03,621 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-25 03:18:03,641 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] [2021-03-25 03:18:03,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 03:18:03,722 INFO L208 MainTranslator]: Completed translation [2021-03-25 03:18:03,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:18:03 WrapperNode [2021-03-25 03:18:03,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 03:18:03,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 03:18:03,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 03:18:03,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 03:18:03,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:18:03" (1/1) ... [2021-03-25 03:18:03,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:18:03" (1/1) ... [2021-03-25 03:18:03,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 03:18:03,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 03:18:03,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 03:18:03,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 03:18:03,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:18:03" (1/1) ... [2021-03-25 03:18:03,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:18:03" (1/1) ... [2021-03-25 03:18:03,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:18:03" (1/1) ... [2021-03-25 03:18:03,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:18:03" (1/1) ... [2021-03-25 03:18:03,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:18:03" (1/1) ... [2021-03-25 03:18:03,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:18:03" (1/1) ... [2021-03-25 03:18:03,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:18:03" (1/1) ... [2021-03-25 03:18:03,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 03:18:03,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 03:18:03,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 03:18:03,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 03:18:03,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:18:03" (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 [2021-03-25 03:18:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-25 03:18:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 03:18:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 03:18:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-03-25 03:18:03,914 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-03-25 03:18:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 03:18:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 03:18:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 03:18:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 03:18:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 03:18:03,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 03:18:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-03-25 03:18:03,915 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-03-25 03:18:03,916 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 03:18:04,325 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 03:18:04,326 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-25 03:18:04,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 03:18:04 BoogieIcfgContainer [2021-03-25 03:18:04,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 03:18:04,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 03:18:04,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 03:18:04,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 03:18:04,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 03:18:03" (1/3) ... [2021-03-25 03:18:04,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5add3907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 03:18:04, skipping insertion in model container [2021-03-25 03:18:04,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:18:03" (2/3) ... [2021-03-25 03:18:04,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5add3907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 03:18:04, skipping insertion in model container [2021-03-25 03:18:04,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 03:18:04" (3/3) ... [2021-03-25 03:18:04,334 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2021-03-25 03:18:04,339 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 03:18:04,343 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 03:18:04,344 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 03:18:04,372 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,373 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,373 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,373 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,373 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,373 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,373 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,373 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,373 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,374 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,374 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,374 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,374 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,374 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,374 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,374 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,374 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,375 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,375 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,375 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,375 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,375 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,375 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,375 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,375 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,376 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,376 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,376 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,376 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,376 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,376 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,376 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,377 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,377 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,377 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,377 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,377 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,378 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,378 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,378 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,378 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,378 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,378 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,378 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,378 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,378 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,379 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,379 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,379 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,379 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,379 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,380 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,380 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,380 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,380 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,380 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,380 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,380 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,381 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,381 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,381 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,381 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,381 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,381 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,381 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,381 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,382 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,382 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,382 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,382 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,382 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,382 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,382 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,383 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,383 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,383 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,383 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,383 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,383 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,387 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,389 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,389 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,390 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,390 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,391 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,391 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,391 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,391 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,392 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,392 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,393 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,415 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,417 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,417 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,417 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,417 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,417 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,418 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,418 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,418 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,420 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,420 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,420 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,420 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,420 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,420 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,421 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,421 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,421 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,423 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,423 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,423 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,423 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,424 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,424 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,425 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,425 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,425 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,425 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,426 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,426 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,426 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,426 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,426 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,427 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,428 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,428 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,428 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,428 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,428 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 03:18:04,441 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-03-25 03:18:04,458 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 03:18:04,475 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 03:18:04,476 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 03:18:04,476 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 03:18:04,476 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 03:18:04,476 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 03:18:04,476 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 03:18:04,476 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 03:18:04,476 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 03:18:04,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 108 transitions, 284 flow [2021-03-25 03:18:04,531 INFO L129 PetriNetUnfolder]: 19/142 cut-off events. [2021-03-25 03:18:04,532 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-03-25 03:18:04,538 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. [2021-03-25 03:18:04,538 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 108 transitions, 284 flow [2021-03-25 03:18:04,542 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 88 transitions, 224 flow [2021-03-25 03:18:04,544 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:18:04,551 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 88 transitions, 224 flow [2021-03-25 03:18:04,553 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 88 transitions, 224 flow [2021-03-25 03:18:04,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 88 transitions, 224 flow [2021-03-25 03:18:04,576 INFO L129 PetriNetUnfolder]: 16/126 cut-off events. [2021-03-25 03:18:04,577 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-03-25 03:18:04,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 126 events. 16/126 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 324 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 95. Up to 12 conditions per place. [2021-03-25 03:18:04,582 INFO L142 LiptonReduction]: Number of co-enabled transitions 2808 [2021-03-25 03:18:06,274 INFO L154 LiptonReduction]: Checked pairs total: 3978 [2021-03-25 03:18:06,274 INFO L156 LiptonReduction]: Total number of compositions: 39 [2021-03-25 03:18:06,284 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1741 [2021-03-25 03:18:06,303 INFO L129 PetriNetUnfolder]: 1/26 cut-off events. [2021-03-25 03:18:06,303 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 03:18:06,303 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 03:18:06,304 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 03:18:06,304 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]=== [2021-03-25 03:18:06,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 03:18:06,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1532044476, now seen corresponding path program 1 times [2021-03-25 03:18:06,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 03:18:06,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969224887] [2021-03-25 03:18:06,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 03:18:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 03:18:06,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:06,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:06,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:06,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:06,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:06,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:06,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:06,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:06,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 03:18:06,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969224887] [2021-03-25 03:18:06,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 03:18:06,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 03:18:06,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913131353] [2021-03-25 03:18:06,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 03:18:06,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 03:18:06,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 03:18:06,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 03:18:06,564 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 147 [2021-03-25 03:18:06,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 53 transitions, 154 flow. Second operand has 5 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:06,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 03:18:06,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 147 [2021-03-25 03:18:06,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 03:18:06,930 INFO L129 PetriNetUnfolder]: 833/2003 cut-off events. [2021-03-25 03:18:06,931 INFO L130 PetriNetUnfolder]: For 502/502 co-relation queries the response was YES. [2021-03-25 03:18:06,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3547 conditions, 2003 events. 833/2003 cut-off events. For 502/502 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 15863 event pairs, 105 based on Foata normal form. 0/1845 useless extension candidates. Maximal degree in co-relation 2969. Up to 611 conditions per place. [2021-03-25 03:18:06,952 INFO L132 encePairwiseOnDemand]: 137/147 looper letters, 42 selfloop transitions, 18 changer transitions 0/95 dead transitions. [2021-03-25 03:18:06,952 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 95 transitions, 361 flow [2021-03-25 03:18:06,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 03:18:06,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 03:18:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 904 transitions. [2021-03-25 03:18:06,966 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8785228377065112 [2021-03-25 03:18:06,967 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 904 transitions. [2021-03-25 03:18:06,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 904 transitions. [2021-03-25 03:18:06,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 03:18:06,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 904 transitions. [2021-03-25 03:18:06,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 129.14285714285714) internal successors, (904), 7 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:06,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 147.0) internal successors, (1176), 8 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:06,983 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 147.0) internal successors, (1176), 8 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:06,985 INFO L185 Difference]: Start difference. First operand has 55 places, 53 transitions, 154 flow. Second operand 7 states and 904 transitions. [2021-03-25 03:18:06,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 95 transitions, 361 flow [2021-03-25 03:18:06,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 95 transitions, 327 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-25 03:18:07,001 INFO L241 Difference]: Finished difference. Result has 57 places, 68 transitions, 222 flow [2021-03-25 03:18:07,003 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=222, PETRI_PLACES=57, PETRI_TRANSITIONS=68} [2021-03-25 03:18:07,004 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 2 predicate places. [2021-03-25 03:18:07,004 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:18:07,004 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 68 transitions, 222 flow [2021-03-25 03:18:07,005 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 68 transitions, 222 flow [2021-03-25 03:18:07,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 68 transitions, 222 flow [2021-03-25 03:18:07,041 INFO L129 PetriNetUnfolder]: 158/587 cut-off events. [2021-03-25 03:18:07,042 INFO L130 PetriNetUnfolder]: For 25/28 co-relation queries the response was YES. [2021-03-25 03:18:07,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 587 events. 158/587 cut-off events. For 25/28 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4383 event pairs, 3 based on Foata normal form. 0/551 useless extension candidates. Maximal degree in co-relation 645. Up to 112 conditions per place. [2021-03-25 03:18:07,050 INFO L142 LiptonReduction]: Number of co-enabled transitions 1660 [2021-03-25 03:18:07,661 INFO L154 LiptonReduction]: Checked pairs total: 2943 [2021-03-25 03:18:07,662 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 03:18:07,662 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 658 [2021-03-25 03:18:07,663 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 63 transitions, 212 flow [2021-03-25 03:18:07,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:07,664 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 03:18:07,667 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 03:18:07,668 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 03:18:07,669 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]=== [2021-03-25 03:18:07,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 03:18:07,676 INFO L82 PathProgramCache]: Analyzing trace with hash -877276144, now seen corresponding path program 1 times [2021-03-25 03:18:07,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 03:18:07,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296457620] [2021-03-25 03:18:07,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 03:18:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 03:18:07,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:07,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:07,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:07,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:07,790 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-03-25 03:18:07,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 03:18:07,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:07,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:07,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 03:18:07,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296457620] [2021-03-25 03:18:07,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 03:18:07,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 03:18:07,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433469003] [2021-03-25 03:18:07,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 03:18:07,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 03:18:07,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 03:18:07,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 03:18:07,810 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 152 [2021-03-25 03:18:07,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 63 transitions, 212 flow. Second operand has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:07,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 03:18:07,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 152 [2021-03-25 03:18:07,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 03:18:08,084 INFO L129 PetriNetUnfolder]: 802/2793 cut-off events. [2021-03-25 03:18:08,085 INFO L130 PetriNetUnfolder]: For 52/55 co-relation queries the response was YES. [2021-03-25 03:18:08,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3809 conditions, 2793 events. 802/2793 cut-off events. For 52/55 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 29930 event pairs, 22 based on Foata normal form. 109/2762 useless extension candidates. Maximal degree in co-relation 2790. Up to 600 conditions per place. [2021-03-25 03:18:08,107 INFO L132 encePairwiseOnDemand]: 143/152 looper letters, 8 selfloop transitions, 19 changer transitions 0/81 dead transitions. [2021-03-25 03:18:08,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 81 transitions, 302 flow [2021-03-25 03:18:08,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 03:18:08,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 03:18:08,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 633 transitions. [2021-03-25 03:18:08,110 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8328947368421052 [2021-03-25 03:18:08,110 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 633 transitions. [2021-03-25 03:18:08,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 633 transitions. [2021-03-25 03:18:08,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 03:18:08,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 633 transitions. [2021-03-25 03:18:08,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 126.6) internal successors, (633), 5 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:08,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:08,114 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:08,114 INFO L185 Difference]: Start difference. First operand has 52 places, 63 transitions, 212 flow. Second operand 5 states and 633 transitions. [2021-03-25 03:18:08,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 81 transitions, 302 flow [2021-03-25 03:18:08,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 81 transitions, 302 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 03:18:08,121 INFO L241 Difference]: Finished difference. Result has 58 places, 79 transitions, 318 flow [2021-03-25 03:18:08,121 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=318, PETRI_PLACES=58, PETRI_TRANSITIONS=79} [2021-03-25 03:18:08,122 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 3 predicate places. [2021-03-25 03:18:08,122 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:18:08,122 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 79 transitions, 318 flow [2021-03-25 03:18:08,123 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 79 transitions, 318 flow [2021-03-25 03:18:08,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 79 transitions, 318 flow [2021-03-25 03:18:08,328 INFO L129 PetriNetUnfolder]: 811/2807 cut-off events. [2021-03-25 03:18:08,328 INFO L130 PetriNetUnfolder]: For 303/312 co-relation queries the response was YES. [2021-03-25 03:18:08,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4178 conditions, 2807 events. 811/2807 cut-off events. For 303/312 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 30056 event pairs, 10 based on Foata normal form. 3/2691 useless extension candidates. Maximal degree in co-relation 3545. Up to 598 conditions per place. [2021-03-25 03:18:08,362 INFO L142 LiptonReduction]: Number of co-enabled transitions 1960 [2021-03-25 03:18:09,527 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2021-03-25 03:18:09,667 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-25 03:18:09,967 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2021-03-25 03:18:10,083 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-25 03:18:10,285 INFO L154 LiptonReduction]: Checked pairs total: 1272 [2021-03-25 03:18:10,285 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 03:18:10,286 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2164 [2021-03-25 03:18:10,286 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 77 transitions, 314 flow [2021-03-25 03:18:10,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:10,287 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 03:18:10,287 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 03:18:10,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 03:18:10,287 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]=== [2021-03-25 03:18:10,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 03:18:10,288 INFO L82 PathProgramCache]: Analyzing trace with hash 886793804, now seen corresponding path program 1 times [2021-03-25 03:18:10,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 03:18:10,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789188916] [2021-03-25 03:18:10,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 03:18:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 03:18:10,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:10,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:10,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:10,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:10,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:10,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:10,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:10,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 03:18:10,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789188916] [2021-03-25 03:18:10,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 03:18:10,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 03:18:10,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339900458] [2021-03-25 03:18:10,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 03:18:10,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 03:18:10,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 03:18:10,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 03:18:10,331 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 154 [2021-03-25 03:18:10,332 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 77 transitions, 314 flow. Second operand has 5 states, 5 states have (on average 123.4) internal successors, (617), 5 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:10,332 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 03:18:10,332 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 154 [2021-03-25 03:18:10,332 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 03:18:11,450 INFO L129 PetriNetUnfolder]: 3292/10042 cut-off events. [2021-03-25 03:18:11,451 INFO L130 PetriNetUnfolder]: For 2349/2462 co-relation queries the response was YES. [2021-03-25 03:18:11,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17432 conditions, 10042 events. 3292/10042 cut-off events. For 2349/2462 co-relation queries the response was YES. Maximal size of possible extension queue 1276. Compared 125999 event pairs, 214 based on Foata normal form. 28/9564 useless extension candidates. Maximal degree in co-relation 12676. Up to 2026 conditions per place. [2021-03-25 03:18:11,545 INFO L132 encePairwiseOnDemand]: 145/154 looper letters, 64 selfloop transitions, 59 changer transitions 0/166 dead transitions. [2021-03-25 03:18:11,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 166 transitions, 958 flow [2021-03-25 03:18:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 03:18:11,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 03:18:11,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1041 transitions. [2021-03-25 03:18:11,548 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8449675324675324 [2021-03-25 03:18:11,548 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1041 transitions. [2021-03-25 03:18:11,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1041 transitions. [2021-03-25 03:18:11,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 03:18:11,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1041 transitions. [2021-03-25 03:18:11,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 130.125) internal successors, (1041), 8 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:11,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:11,554 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:11,554 INFO L185 Difference]: Start difference. First operand has 56 places, 77 transitions, 314 flow. Second operand 8 states and 1041 transitions. [2021-03-25 03:18:11,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 166 transitions, 958 flow [2021-03-25 03:18:11,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 166 transitions, 958 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 03:18:11,575 INFO L241 Difference]: Finished difference. Result has 69 places, 132 transitions, 837 flow [2021-03-25 03:18:11,575 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=837, PETRI_PLACES=69, PETRI_TRANSITIONS=132} [2021-03-25 03:18:11,575 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 14 predicate places. [2021-03-25 03:18:11,576 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:18:11,576 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 132 transitions, 837 flow [2021-03-25 03:18:11,577 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 132 transitions, 837 flow [2021-03-25 03:18:11,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 132 transitions, 837 flow [2021-03-25 03:18:12,223 INFO L129 PetriNetUnfolder]: 2136/6983 cut-off events. [2021-03-25 03:18:12,223 INFO L130 PetriNetUnfolder]: For 2236/2340 co-relation queries the response was YES. [2021-03-25 03:18:12,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11686 conditions, 6983 events. 2136/6983 cut-off events. For 2236/2340 co-relation queries the response was YES. Maximal size of possible extension queue 959. Compared 86932 event pairs, 30 based on Foata normal form. 47/6762 useless extension candidates. Maximal degree in co-relation 10326. Up to 1562 conditions per place. [2021-03-25 03:18:12,325 INFO L142 LiptonReduction]: Number of co-enabled transitions 3376 [2021-03-25 03:18:12,515 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 03:18:12,515 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 03:18:12,515 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 939 [2021-03-25 03:18:12,516 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 132 transitions, 837 flow [2021-03-25 03:18:12,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 123.4) internal successors, (617), 5 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:12,516 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 03:18:12,517 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 03:18:12,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 03:18:12,517 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]=== [2021-03-25 03:18:12,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 03:18:12,517 INFO L82 PathProgramCache]: Analyzing trace with hash -767461127, now seen corresponding path program 1 times [2021-03-25 03:18:12,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 03:18:12,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308928162] [2021-03-25 03:18:12,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 03:18:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 03:18:12,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:12,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:12,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:12,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:12,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:12,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:12,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:12,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 03:18:12,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308928162] [2021-03-25 03:18:12,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 03:18:12,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 03:18:12,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869143961] [2021-03-25 03:18:12,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 03:18:12,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 03:18:12,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 03:18:12,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 03:18:12,581 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 154 [2021-03-25 03:18:12,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 132 transitions, 837 flow. Second operand has 5 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:12,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 03:18:12,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 154 [2021-03-25 03:18:12,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 03:18:12,820 INFO L129 PetriNetUnfolder]: 555/1996 cut-off events. [2021-03-25 03:18:12,820 INFO L130 PetriNetUnfolder]: For 817/912 co-relation queries the response was YES. [2021-03-25 03:18:12,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3490 conditions, 1996 events. 555/1996 cut-off events. For 817/912 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 19968 event pairs, 0 based on Foata normal form. 60/1961 useless extension candidates. Maximal degree in co-relation 2936. Up to 436 conditions per place. [2021-03-25 03:18:12,832 INFO L132 encePairwiseOnDemand]: 147/154 looper letters, 6 selfloop transitions, 17 changer transitions 0/107 dead transitions. [2021-03-25 03:18:12,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 107 transitions, 665 flow [2021-03-25 03:18:12,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 03:18:12,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 03:18:12,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 673 transitions. [2021-03-25 03:18:12,837 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.874025974025974 [2021-03-25 03:18:12,837 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 673 transitions. [2021-03-25 03:18:12,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 673 transitions. [2021-03-25 03:18:12,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 03:18:12,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 673 transitions. [2021-03-25 03:18:12,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.6) internal successors, (673), 5 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:12,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 154.0) internal successors, (924), 6 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:12,842 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 154.0) internal successors, (924), 6 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:12,842 INFO L185 Difference]: Start difference. First operand has 69 places, 132 transitions, 837 flow. Second operand 5 states and 673 transitions. [2021-03-25 03:18:12,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 107 transitions, 665 flow [2021-03-25 03:18:12,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 107 transitions, 639 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-25 03:18:12,849 INFO L241 Difference]: Finished difference. Result has 71 places, 107 transitions, 631 flow [2021-03-25 03:18:12,849 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=631, PETRI_PLACES=71, PETRI_TRANSITIONS=107} [2021-03-25 03:18:12,849 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 16 predicate places. [2021-03-25 03:18:12,849 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:18:12,850 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 107 transitions, 631 flow [2021-03-25 03:18:12,850 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 107 transitions, 631 flow [2021-03-25 03:18:12,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 107 transitions, 631 flow [2021-03-25 03:18:12,960 INFO L129 PetriNetUnfolder]: 542/1948 cut-off events. [2021-03-25 03:18:12,961 INFO L130 PetriNetUnfolder]: For 591/623 co-relation queries the response was YES. [2021-03-25 03:18:12,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3250 conditions, 1948 events. 542/1948 cut-off events. For 591/623 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 19493 event pairs, 0 based on Foata normal form. 12/1871 useless extension candidates. Maximal degree in co-relation 2786. Up to 424 conditions per place. [2021-03-25 03:18:12,986 INFO L142 LiptonReduction]: Number of co-enabled transitions 2148 [2021-03-25 03:18:13,021 INFO L154 LiptonReduction]: Checked pairs total: 76 [2021-03-25 03:18:13,022 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 03:18:13,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 173 [2021-03-25 03:18:13,024 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 107 transitions, 631 flow [2021-03-25 03:18:13,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:13,026 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 03:18:13,026 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 03:18:13,026 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 03:18:13,027 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]=== [2021-03-25 03:18:13,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 03:18:13,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1746861332, now seen corresponding path program 1 times [2021-03-25 03:18:13,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 03:18:13,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536420097] [2021-03-25 03:18:13,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 03:18:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 03:18:13,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:13,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:13,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:13,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:13,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:13,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:13,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:13,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:13,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 03:18:13,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536420097] [2021-03-25 03:18:13,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 03:18:13,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 03:18:13,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828035789] [2021-03-25 03:18:13,096 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 03:18:13,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 03:18:13,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 03:18:13,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 03:18:13,100 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 154 [2021-03-25 03:18:13,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 107 transitions, 631 flow. Second operand has 5 states, 5 states have (on average 123.0) internal successors, (615), 5 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:13,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 03:18:13,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 154 [2021-03-25 03:18:13,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 03:18:13,428 INFO L129 PetriNetUnfolder]: 792/2641 cut-off events. [2021-03-25 03:18:13,428 INFO L130 PetriNetUnfolder]: For 1381/1423 co-relation queries the response was YES. [2021-03-25 03:18:13,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5122 conditions, 2641 events. 792/2641 cut-off events. For 1381/1423 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 26629 event pairs, 37 based on Foata normal form. 16/2548 useless extension candidates. Maximal degree in co-relation 4053. Up to 540 conditions per place. [2021-03-25 03:18:13,447 INFO L132 encePairwiseOnDemand]: 145/154 looper letters, 52 selfloop transitions, 45 changer transitions 0/141 dead transitions. [2021-03-25 03:18:13,448 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 141 transitions, 1021 flow [2021-03-25 03:18:13,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 03:18:13,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 03:18:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1028 transitions. [2021-03-25 03:18:13,450 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8344155844155844 [2021-03-25 03:18:13,451 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1028 transitions. [2021-03-25 03:18:13,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1028 transitions. [2021-03-25 03:18:13,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 03:18:13,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1028 transitions. [2021-03-25 03:18:13,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 128.5) internal successors, (1028), 8 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:13,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:13,455 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:13,455 INFO L185 Difference]: Start difference. First operand has 71 places, 107 transitions, 631 flow. Second operand 8 states and 1028 transitions. [2021-03-25 03:18:13,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 141 transitions, 1021 flow [2021-03-25 03:18:13,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 141 transitions, 1007 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 03:18:13,464 INFO L241 Difference]: Finished difference. Result has 80 places, 121 transitions, 841 flow [2021-03-25 03:18:13,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=841, PETRI_PLACES=80, PETRI_TRANSITIONS=121} [2021-03-25 03:18:13,464 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 25 predicate places. [2021-03-25 03:18:13,465 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:18:13,465 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 121 transitions, 841 flow [2021-03-25 03:18:13,465 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 121 transitions, 841 flow [2021-03-25 03:18:13,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 121 transitions, 841 flow [2021-03-25 03:18:13,598 INFO L129 PetriNetUnfolder]: 625/2206 cut-off events. [2021-03-25 03:18:13,598 INFO L130 PetriNetUnfolder]: For 1021/1032 co-relation queries the response was YES. [2021-03-25 03:18:13,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3850 conditions, 2206 events. 625/2206 cut-off events. For 1021/1032 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 22567 event pairs, 0 based on Foata normal form. 9/2125 useless extension candidates. Maximal degree in co-relation 3216. Up to 488 conditions per place. [2021-03-25 03:18:13,627 INFO L142 LiptonReduction]: Number of co-enabled transitions 2420 [2021-03-25 03:18:13,633 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 03:18:13,633 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 03:18:13,633 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 168 [2021-03-25 03:18:13,635 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 121 transitions, 841 flow [2021-03-25 03:18:13,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 123.0) internal successors, (615), 5 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:13,635 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 03:18:13,635 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 03:18:13,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 03:18:13,635 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]=== [2021-03-25 03:18:13,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 03:18:13,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1787629315, now seen corresponding path program 1 times [2021-03-25 03:18:13,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 03:18:13,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027148387] [2021-03-25 03:18:13,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 03:18:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 03:18:13,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:13,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:13,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:13,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:13,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:13,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:13,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:13,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:13,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 03:18:13,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027148387] [2021-03-25 03:18:13,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 03:18:13,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 03:18:13,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467438144] [2021-03-25 03:18:13,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 03:18:13,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 03:18:13,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 03:18:13,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 03:18:13,700 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 154 [2021-03-25 03:18:13,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 121 transitions, 841 flow. Second operand has 5 states, 5 states have (on average 123.0) internal successors, (615), 5 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:13,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 03:18:13,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 154 [2021-03-25 03:18:13,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 03:18:14,019 INFO L129 PetriNetUnfolder]: 788/2623 cut-off events. [2021-03-25 03:18:14,020 INFO L130 PetriNetUnfolder]: For 1922/1946 co-relation queries the response was YES. [2021-03-25 03:18:14,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5337 conditions, 2623 events. 788/2623 cut-off events. For 1922/1946 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 26485 event pairs, 21 based on Foata normal form. 24/2538 useless extension candidates. Maximal degree in co-relation 4271. Up to 542 conditions per place. [2021-03-25 03:18:14,043 INFO L132 encePairwiseOnDemand]: 145/154 looper letters, 37 selfloop transitions, 41 changer transitions 30/147 dead transitions. [2021-03-25 03:18:14,043 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 147 transitions, 1220 flow [2021-03-25 03:18:14,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 03:18:14,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 03:18:14,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1027 transitions. [2021-03-25 03:18:14,046 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8336038961038961 [2021-03-25 03:18:14,046 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1027 transitions. [2021-03-25 03:18:14,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1027 transitions. [2021-03-25 03:18:14,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 03:18:14,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1027 transitions. [2021-03-25 03:18:14,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 128.375) internal successors, (1027), 8 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:14,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:14,051 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:14,051 INFO L185 Difference]: Start difference. First operand has 80 places, 121 transitions, 841 flow. Second operand 8 states and 1027 transitions. [2021-03-25 03:18:14,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 147 transitions, 1220 flow [2021-03-25 03:18:14,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 147 transitions, 1206 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-25 03:18:14,066 INFO L241 Difference]: Finished difference. Result has 89 places, 109 transitions, 851 flow [2021-03-25 03:18:14,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=851, PETRI_PLACES=89, PETRI_TRANSITIONS=109} [2021-03-25 03:18:14,066 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 34 predicate places. [2021-03-25 03:18:14,067 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:18:14,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 109 transitions, 851 flow [2021-03-25 03:18:14,067 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 109 transitions, 851 flow [2021-03-25 03:18:14,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 109 transitions, 851 flow [2021-03-25 03:18:14,163 INFO L129 PetriNetUnfolder]: 501/1721 cut-off events. [2021-03-25 03:18:14,163 INFO L130 PetriNetUnfolder]: For 1034/1038 co-relation queries the response was YES. [2021-03-25 03:18:14,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3100 conditions, 1721 events. 501/1721 cut-off events. For 1034/1038 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 16779 event pairs, 0 based on Foata normal form. 4/1635 useless extension candidates. Maximal degree in co-relation 2606. Up to 396 conditions per place. [2021-03-25 03:18:14,186 INFO L142 LiptonReduction]: Number of co-enabled transitions 2110 [2021-03-25 03:18:14,191 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 03:18:14,192 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 03:18:14,192 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 125 [2021-03-25 03:18:14,192 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 109 transitions, 851 flow [2021-03-25 03:18:14,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 123.0) internal successors, (615), 5 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:14,193 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 03:18:14,193 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 03:18:14,193 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 03:18:14,193 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]=== [2021-03-25 03:18:14,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 03:18:14,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1009165017, now seen corresponding path program 1 times [2021-03-25 03:18:14,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 03:18:14,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098340163] [2021-03-25 03:18:14,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 03:18:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 03:18:14,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:14,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:14,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:14,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:14,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:14,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:14,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:14,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 03:18:14,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 03:18:14,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 03:18:14,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 03:18:14,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098340163] [2021-03-25 03:18:14,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 03:18:14,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 03:18:14,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765198550] [2021-03-25 03:18:14,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 03:18:14,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 03:18:14,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 03:18:14,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-25 03:18:14,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 154 [2021-03-25 03:18:14,244 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 109 transitions, 851 flow. Second operand has 5 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:14,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 03:18:14,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 154 [2021-03-25 03:18:14,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 03:18:14,305 INFO L129 PetriNetUnfolder]: 130/563 cut-off events. [2021-03-25 03:18:14,305 INFO L130 PetriNetUnfolder]: For 560/573 co-relation queries the response was YES. [2021-03-25 03:18:14,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1230 conditions, 563 events. 130/563 cut-off events. For 560/573 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4103 event pairs, 0 based on Foata normal form. 10/541 useless extension candidates. Maximal degree in co-relation 1043. Up to 108 conditions per place. [2021-03-25 03:18:14,308 INFO L132 encePairwiseOnDemand]: 147/154 looper letters, 0 selfloop transitions, 0 changer transitions 68/68 dead transitions. [2021-03-25 03:18:14,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 68 transitions, 469 flow [2021-03-25 03:18:14,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 03:18:14,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 03:18:14,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 663 transitions. [2021-03-25 03:18:14,310 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.861038961038961 [2021-03-25 03:18:14,311 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 663 transitions. [2021-03-25 03:18:14,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 663 transitions. [2021-03-25 03:18:14,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 03:18:14,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 663 transitions. [2021-03-25 03:18:14,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:14,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 154.0) internal successors, (924), 6 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:14,314 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 154.0) internal successors, (924), 6 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:14,314 INFO L185 Difference]: Start difference. First operand has 88 places, 109 transitions, 851 flow. Second operand 5 states and 663 transitions. [2021-03-25 03:18:14,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 68 transitions, 469 flow [2021-03-25 03:18:14,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 68 transitions, 332 flow, removed 11 selfloop flow, removed 25 redundant places. [2021-03-25 03:18:14,320 INFO L241 Difference]: Finished difference. Result has 64 places, 0 transitions, 0 flow [2021-03-25 03:18:14,320 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=64, PETRI_TRANSITIONS=0} [2021-03-25 03:18:14,320 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 9 predicate places. [2021-03-25 03:18:14,320 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 03:18:14,320 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 0 transitions, 0 flow [2021-03-25 03:18:14,321 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 0 transitions, 0 flow [2021-03-25 03:18:14,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 03:18:14,321 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 03:18:14,321 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 03:18:14,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-25 03:18:14,321 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 03:18:14,321 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 03:18:14,321 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 03:18:14,322 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-03-25 03:18:14,326 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-25 03:18:14,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 03:18:14,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 03:18:14,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 03:18:14 BasicIcfg [2021-03-25 03:18:14,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 03:18:14,330 INFO L168 Benchmark]: Toolchain (without parser) took 11121.29 ms. Allocated memory was 255.9 MB in the beginning and 828.4 MB in the end (delta: 572.5 MB). Free memory was 233.4 MB in the beginning and 505.7 MB in the end (delta: -272.3 MB). Peak memory consumption was 300.1 MB. Max. memory is 16.0 GB. [2021-03-25 03:18:14,330 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 237.8 MB in the end (delta: 185.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 03:18:14,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.69 ms. Allocated memory was 255.9 MB in the beginning and 346.0 MB in the end (delta: 90.2 MB). Free memory was 232.7 MB in the beginning and 309.3 MB in the end (delta: -76.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-25 03:18:14,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.42 ms. Allocated memory is still 346.0 MB. Free memory was 309.3 MB in the beginning and 307.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 03:18:14,332 INFO L168 Benchmark]: Boogie Preprocessor took 38.78 ms. Allocated memory is still 346.0 MB. Free memory was 307.2 MB in the beginning and 305.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 03:18:14,332 INFO L168 Benchmark]: RCFGBuilder took 500.82 ms. Allocated memory is still 346.0 MB. Free memory was 305.5 MB in the beginning and 275.7 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-03-25 03:18:14,332 INFO L168 Benchmark]: TraceAbstraction took 10000.71 ms. Allocated memory was 346.0 MB in the beginning and 828.4 MB in the end (delta: 482.3 MB). Free memory was 275.1 MB in the beginning and 505.7 MB in the end (delta: -230.7 MB). Peak memory consumption was 253.8 MB. Max. memory is 16.0 GB. [2021-03-25 03:18:14,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 237.8 MB in the end (delta: 185.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 513.69 ms. Allocated memory was 255.9 MB in the beginning and 346.0 MB in the end (delta: 90.2 MB). Free memory was 232.7 MB in the beginning and 309.3 MB in the end (delta: -76.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 62.42 ms. Allocated memory is still 346.0 MB. Free memory was 309.3 MB in the beginning and 307.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 38.78 ms. Allocated memory is still 346.0 MB. Free memory was 307.2 MB in the beginning and 305.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 500.82 ms. Allocated memory is still 346.0 MB. Free memory was 305.5 MB in the beginning and 275.7 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 10000.71 ms. Allocated memory was 346.0 MB in the beginning and 828.4 MB in the end (delta: 482.3 MB). Free memory was 275.1 MB in the beginning and 505.7 MB in the end (delta: -230.7 MB). Peak memory consumption was 253.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1728.5ms, 90 PlacesBefore, 55 PlacesAfterwards, 88 TransitionsBefore, 53 TransitionsAfterwards, 2808 CoEnabledTransitionPairs, 4 FixpointIterations, 16 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 39 TotalNumberOfCompositions, 3978 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1816, positive: 1736, positive conditional: 0, positive unconditional: 1736, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1095, positive: 1073, positive conditional: 0, positive unconditional: 1073, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1095, positive: 1073, positive conditional: 0, positive unconditional: 1073, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1816, positive: 663, positive conditional: 0, positive unconditional: 663, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 1095, unknown conditional: 0, unknown unconditional: 1095] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 97, Positive conditional cache size: 0, Positive unconditional cache size: 97, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 657.0ms, 57 PlacesBefore, 52 PlacesAfterwards, 68 TransitionsBefore, 63 TransitionsAfterwards, 1660 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 2943 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 547, positive: 473, positive conditional: 0, positive unconditional: 473, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 93, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 93, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 547, positive: 388, positive conditional: 0, positive unconditional: 388, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 93, unknown conditional: 0, unknown unconditional: 93] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 122, Positive conditional cache size: 0, Positive unconditional cache size: 122, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2162.6ms, 58 PlacesBefore, 56 PlacesAfterwards, 79 TransitionsBefore, 77 TransitionsAfterwards, 1960 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1272 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 122, Positive conditional cache size: 0, Positive unconditional cache size: 122, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 938.4ms, 69 PlacesBefore, 69 PlacesAfterwards, 132 TransitionsBefore, 132 TransitionsAfterwards, 3376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 122, Positive conditional cache size: 0, Positive unconditional cache size: 122, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 171.8ms, 71 PlacesBefore, 71 PlacesAfterwards, 107 TransitionsBefore, 107 TransitionsAfterwards, 2148 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 76 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 123, Positive conditional cache size: 0, Positive unconditional cache size: 123, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 168.3ms, 80 PlacesBefore, 80 PlacesAfterwards, 121 TransitionsBefore, 121 TransitionsAfterwards, 2420 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 123, Positive conditional cache size: 0, Positive unconditional cache size: 123, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 124.7ms, 89 PlacesBefore, 88 PlacesAfterwards, 109 TransitionsBefore, 109 TransitionsAfterwards, 2110 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 123, Positive conditional cache size: 0, Positive unconditional cache size: 123, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.8ms, 64 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 123, Positive conditional cache size: 0, Positive unconditional cache size: 123, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - PositiveResult [Line: 739]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 9854.6ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3090.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1813.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 87 SDtfs, 140 SDslu, 54 SDs, 0 SdLazy, 419 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 286.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 167.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=851occurred in iteration=6, InterpolantAutomatonStates: 46, 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: 21.7ms SsaConstructionTime, 135.2ms SatisfiabilityAnalysisTime, 373.8ms InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 235 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...