/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-RepeatedSemanticLbeWithPredicates.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 22:50:53,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 22:50:53,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 22:50:53,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 22:50:53,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 22:50:53,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 22:50:53,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 22:50:53,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 22:50:53,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 22:50:53,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 22:50:53,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 22:50:53,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 22:50:53,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 22:50:53,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 22:50:53,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 22:50:53,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 22:50:53,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 22:50:53,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 22:50:53,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 22:50:53,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 22:50:53,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 22:50:53,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 22:50:53,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 22:50:53,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 22:50:53,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 22:50:53,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 22:50:53,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 22:50:53,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 22:50:53,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 22:50:53,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 22:50:53,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 22:50:53,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 22:50:53,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 22:50:53,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 22:50:53,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 22:50:53,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 22:50:53,885 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-RepeatedSemanticLbeWithPredicates.epf [2021-03-25 22:50:53,921 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 22:50:53,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 22:50:53,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 22:50:53,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 22:50:53,925 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 22:50:53,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 22:50:53,926 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 22:50:53,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 22:50:53,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 22:50:53,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 22:50:53,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 22:50:53,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 22:50:53,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 22:50:53,927 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 22:50:53,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 22:50:53,928 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 22:50:53,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 22:50:53,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 22:50:53,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 22:50:53,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 22:50:53,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 22:50:53,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 22:50:53,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 22:50:53,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 22:50:53,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 22:50:53,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 22:50:53,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 22:50:53,929 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-25 22:50:53,929 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 22:50:53,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 22:50:53,930 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 22:50:54,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 22:50:54,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 22:50:54,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 22:50:54,246 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 22:50:54,246 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 22:50:54,247 INFO L432 ainManager$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 22:50:54,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eab11255/fea66bfdc491476fb9bbd2a92f5abe7c/FLAG9da04918b [2021-03-25 22:50:54,974 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 22:50:54,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-03-25 22:50:54,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eab11255/fea66bfdc491476fb9bbd2a92f5abe7c/FLAG9da04918b [2021-03-25 22:50:55,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eab11255/fea66bfdc491476fb9bbd2a92f5abe7c [2021-03-25 22:50:55,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 22:50:55,140 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 22:50:55,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 22:50:55,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 22:50:55,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 22:50:55,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 10:50:55" (1/1) ... [2021-03-25 22:50:55,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426984e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:50:55, skipping insertion in model container [2021-03-25 22:50:55,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 10:50:55" (1/1) ... [2021-03-25 22:50:55,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 22:50:55,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 22:50:55,361 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-25 22:50:55,512 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 22:50:55,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 22:50:55,529 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 22:50:55,551 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-25 22:50:55,569 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 22:50:55,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 22:50:55,649 INFO L208 MainTranslator]: Completed translation [2021-03-25 22:50:55,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:50:55 WrapperNode [2021-03-25 22:50:55,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 22:50:55,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 22:50:55,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 22:50:55,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 22:50:55,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:50:55" (1/1) ... [2021-03-25 22:50:55,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:50:55" (1/1) ... [2021-03-25 22:50:55,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 22:50:55,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 22:50:55,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 22:50:55,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 22:50:55,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:50:55" (1/1) ... [2021-03-25 22:50:55,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:50:55" (1/1) ... [2021-03-25 22:50:55,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:50:55" (1/1) ... [2021-03-25 22:50:55,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:50:55" (1/1) ... [2021-03-25 22:50:55,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:50:55" (1/1) ... [2021-03-25 22:50:55,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:50:55" (1/1) ... [2021-03-25 22:50:55,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:50:55" (1/1) ... [2021-03-25 22:50:55,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 22:50:55,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 22:50:55,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 22:50:55,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 22:50:55,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:50:55" (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 22:50:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-25 22:50:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 22:50:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 22:50:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-03-25 22:50:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-03-25 22:50:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 22:50:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 22:50:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 22:50:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 22:50:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 22:50:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 22:50:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-03-25 22:50:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-03-25 22:50:55,793 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 22:50:56,242 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 22:50:56,242 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-25 22:50:56,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 10:50:56 BoogieIcfgContainer [2021-03-25 22:50:56,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 22:50:56,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 22:50:56,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 22:50:56,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 22:50:56,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 10:50:55" (1/3) ... [2021-03-25 22:50:56,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9bb453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 10:50:56, skipping insertion in model container [2021-03-25 22:50:56,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:50:55" (2/3) ... [2021-03-25 22:50:56,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9bb453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 10:50:56, skipping insertion in model container [2021-03-25 22:50:56,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 10:50:56" (3/3) ... [2021-03-25 22:50:56,249 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2021-03-25 22:50:56,254 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 22:50:56,257 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 22:50:56,258 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 22:50:56,289 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,289 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,289 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,289 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,290 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,290 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,290 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,290 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,290 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,290 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,290 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,290 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,291 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,291 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,291 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,291 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,291 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,291 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,292 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,292 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,292 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,292 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,292 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,292 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,292 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,293 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,293 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,293 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,293 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,293 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,293 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,293 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,294 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,294 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,294 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,294 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,294 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,294 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,294 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,294 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,295 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,295 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,295 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,295 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,295 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,295 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,295 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,295 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,295 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,295 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,296 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,296 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,296 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,296 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,296 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,296 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,297 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,297 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,297 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,297 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,297 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,297 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,297 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,297 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,298 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,298 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,298 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,298 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,298 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,298 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,299 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,299 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,299 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,299 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,299 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,299 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,299 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,299 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,300 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,300 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,300 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,300 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,300 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,300 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,301 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,301 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,301 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,301 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,301 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,301 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,301 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,301 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,301 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,301 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,302 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,302 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,302 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,302 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,302 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,302 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,304 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,304 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,304 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,304 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,304 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,305 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,305 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,305 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,305 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,307 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,307 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,307 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,307 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,307 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,308 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,309 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,309 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,309 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,309 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,310 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,310 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,310 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,310 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,310 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,312 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,312 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,312 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,312 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,312 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,312 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:50:56,329 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-03-25 22:50:56,344 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 22:50:56,360 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 22:50:56,360 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 22:50:56,361 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 22:50:56,361 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 22:50:56,361 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 22:50:56,361 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 22:50:56,361 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 22:50:56,361 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 22:50:56,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 108 transitions, 284 flow [2021-03-25 22:50:56,413 INFO L129 PetriNetUnfolder]: 19/142 cut-off events. [2021-03-25 22:50:56,413 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-03-25 22:50:56,419 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 22:50:56,419 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 108 transitions, 284 flow [2021-03-25 22:50:56,424 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 88 transitions, 224 flow [2021-03-25 22:50:56,425 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:50:56,434 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 88 transitions, 224 flow [2021-03-25 22:50:56,436 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 88 transitions, 224 flow [2021-03-25 22:50:56,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 88 transitions, 224 flow [2021-03-25 22:50:56,461 INFO L129 PetriNetUnfolder]: 16/126 cut-off events. [2021-03-25 22:50:56,461 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-03-25 22:50:56,462 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 22:50:56,466 INFO L142 LiptonReduction]: Number of co-enabled transitions 2808 [2021-03-25 22:50:58,277 INFO L154 LiptonReduction]: Checked pairs total: 3978 [2021-03-25 22:50:58,286 INFO L156 LiptonReduction]: Total number of compositions: 39 [2021-03-25 22:50:58,287 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1863 [2021-03-25 22:50:58,298 INFO L129 PetriNetUnfolder]: 1/26 cut-off events. [2021-03-25 22:50:58,298 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 22:50:58,299 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:50:58,299 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:50:58,299 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 22:50:58,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:50:58,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1532044476, now seen corresponding path program 1 times [2021-03-25 22:50:58,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:50:58,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676470510] [2021-03-25 22:50:58,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:50:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:50:58,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:50:58,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:50:58,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:50:58,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:50:58,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:50:58,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:50:58,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:50:58,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:50:58,469 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 22:50:58,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676470510] [2021-03-25 22:50:58,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:50:58,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:50:58,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622669725] [2021-03-25 22:50:58,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:50:58,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:50:58,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:50:58,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:50:58,489 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 147 [2021-03-25 22:50:58,492 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 22:50:58,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:50:58,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 147 [2021-03-25 22:50:58,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:50:58,839 INFO L129 PetriNetUnfolder]: 833/2003 cut-off events. [2021-03-25 22:50:58,839 INFO L130 PetriNetUnfolder]: For 502/502 co-relation queries the response was YES. [2021-03-25 22:50:58,848 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 22:50:58,862 INFO L132 encePairwiseOnDemand]: 137/147 looper letters, 42 selfloop transitions, 18 changer transitions 0/95 dead transitions. [2021-03-25 22:50:58,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 95 transitions, 361 flow [2021-03-25 22:50:58,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 22:50:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 22:50:58,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 904 transitions. [2021-03-25 22:50:58,879 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8785228377065112 [2021-03-25 22:50:58,879 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 904 transitions. [2021-03-25 22:50:58,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 904 transitions. [2021-03-25 22:50:58,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:50:58,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 904 transitions. [2021-03-25 22:50:58,890 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 22:50:58,898 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 22:50:58,899 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 22:50:58,900 INFO L185 Difference]: Start difference. First operand has 55 places, 53 transitions, 154 flow. Second operand 7 states and 904 transitions. [2021-03-25 22:50:58,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 95 transitions, 361 flow [2021-03-25 22:50:58,914 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 22:50:58,916 INFO L241 Difference]: Finished difference. Result has 57 places, 68 transitions, 222 flow [2021-03-25 22:50:58,918 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 22:50:58,919 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 2 predicate places. [2021-03-25 22:50:58,919 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:50:58,919 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 68 transitions, 222 flow [2021-03-25 22:50:58,920 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 68 transitions, 222 flow [2021-03-25 22:50:58,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 68 transitions, 222 flow [2021-03-25 22:50:58,959 INFO L129 PetriNetUnfolder]: 158/587 cut-off events. [2021-03-25 22:50:58,959 INFO L130 PetriNetUnfolder]: For 25/28 co-relation queries the response was YES. [2021-03-25 22:50:58,962 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 22:50:58,967 INFO L142 LiptonReduction]: Number of co-enabled transitions 1660 [2021-03-25 22:50:59,733 INFO L154 LiptonReduction]: Checked pairs total: 2943 [2021-03-25 22:50:59,733 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 22:50:59,733 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 814 [2021-03-25 22:50:59,735 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 63 transitions, 212 flow [2021-03-25 22:50:59,735 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 22:50:59,736 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:50:59,736 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:50:59,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 22:50:59,736 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 22:50:59,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:50:59,737 INFO L82 PathProgramCache]: Analyzing trace with hash -877276144, now seen corresponding path program 1 times [2021-03-25 22:50:59,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:50:59,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801250173] [2021-03-25 22:50:59,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:50:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:50:59,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:50:59,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:50:59,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:50:59,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:50:59,841 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-03-25 22:50:59,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:50:59,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:50:59,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:50:59,851 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 22:50:59,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801250173] [2021-03-25 22:50:59,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:50:59,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:50:59,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6988916] [2021-03-25 22:50:59,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 22:50:59,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:50:59,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 22:50:59,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 22:50:59,854 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 152 [2021-03-25 22:50:59,854 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 22:50:59,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:50:59,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 152 [2021-03-25 22:50:59,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:00,118 INFO L129 PetriNetUnfolder]: 808/2811 cut-off events. [2021-03-25 22:51:00,119 INFO L130 PetriNetUnfolder]: For 51/54 co-relation queries the response was YES. [2021-03-25 22:51:00,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3820 conditions, 2811 events. 808/2811 cut-off events. For 51/54 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 30155 event pairs, 22 based on Foata normal form. 111/2781 useless extension candidates. Maximal degree in co-relation 2759. Up to 612 conditions per place. [2021-03-25 22:51:00,140 INFO L132 encePairwiseOnDemand]: 143/152 looper letters, 8 selfloop transitions, 19 changer transitions 0/81 dead transitions. [2021-03-25 22:51:00,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 81 transitions, 302 flow [2021-03-25 22:51:00,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 22:51:00,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 22:51:00,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 633 transitions. [2021-03-25 22:51:00,142 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8328947368421052 [2021-03-25 22:51:00,142 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 633 transitions. [2021-03-25 22:51:00,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 633 transitions. [2021-03-25 22:51:00,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:00,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 633 transitions. [2021-03-25 22:51:00,144 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 22:51:00,146 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 22:51:00,146 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 22:51:00,146 INFO L185 Difference]: Start difference. First operand has 52 places, 63 transitions, 212 flow. Second operand 5 states and 633 transitions. [2021-03-25 22:51:00,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 81 transitions, 302 flow [2021-03-25 22:51:00,150 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 22:51:00,153 INFO L241 Difference]: Finished difference. Result has 58 places, 79 transitions, 318 flow [2021-03-25 22:51:00,153 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 22:51:00,154 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 3 predicate places. [2021-03-25 22:51:00,154 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:00,154 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 79 transitions, 318 flow [2021-03-25 22:51:00,155 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 79 transitions, 318 flow [2021-03-25 22:51:00,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 79 transitions, 318 flow [2021-03-25 22:51:00,385 INFO L129 PetriNetUnfolder]: 814/2792 cut-off events. [2021-03-25 22:51:00,385 INFO L130 PetriNetUnfolder]: For 296/313 co-relation queries the response was YES. [2021-03-25 22:51:00,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4151 conditions, 2792 events. 814/2792 cut-off events. For 296/313 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 29747 event pairs, 13 based on Foata normal form. 3/2678 useless extension candidates. Maximal degree in co-relation 3536. Up to 598 conditions per place. [2021-03-25 22:51:00,411 INFO L142 LiptonReduction]: Number of co-enabled transitions 1960 [2021-03-25 22:51:01,326 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2021-03-25 22:51:01,450 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-25 22:51:01,721 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2021-03-25 22:51:01,829 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-25 22:51:02,088 INFO L154 LiptonReduction]: Checked pairs total: 1653 [2021-03-25 22:51:02,089 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:51:02,089 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1935 [2021-03-25 22:51:02,090 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 77 transitions, 314 flow [2021-03-25 22:51:02,090 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 22:51:02,090 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:02,091 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:02,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 22:51:02,091 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 22:51:02,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:02,091 INFO L82 PathProgramCache]: Analyzing trace with hash 886793804, now seen corresponding path program 1 times [2021-03-25 22:51:02,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:02,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043693439] [2021-03-25 22:51:02,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:02,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:02,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:02,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:02,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:02,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:02,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:02,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:02,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:02,162 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 22:51:02,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043693439] [2021-03-25 22:51:02,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:02,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:51:02,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057691878] [2021-03-25 22:51:02,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:51:02,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:02,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:51:02,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:51:02,165 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 154 [2021-03-25 22:51:02,166 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 22:51:02,168 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:02,168 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 154 [2021-03-25 22:51:02,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:03,095 INFO L129 PetriNetUnfolder]: 3289/10024 cut-off events. [2021-03-25 22:51:03,096 INFO L130 PetriNetUnfolder]: For 2352/2473 co-relation queries the response was YES. [2021-03-25 22:51:03,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17429 conditions, 10024 events. 3289/10024 cut-off events. For 2352/2473 co-relation queries the response was YES. Maximal size of possible extension queue 1273. Compared 125698 event pairs, 193 based on Foata normal form. 28/9538 useless extension candidates. Maximal degree in co-relation 12681. Up to 2022 conditions per place. [2021-03-25 22:51:03,183 INFO L132 encePairwiseOnDemand]: 145/154 looper letters, 64 selfloop transitions, 59 changer transitions 0/166 dead transitions. [2021-03-25 22:51:03,184 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 166 transitions, 958 flow [2021-03-25 22:51:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 22:51:03,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 22:51:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1041 transitions. [2021-03-25 22:51:03,186 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8449675324675324 [2021-03-25 22:51:03,187 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1041 transitions. [2021-03-25 22:51:03,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1041 transitions. [2021-03-25 22:51:03,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:03,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1041 transitions. [2021-03-25 22:51:03,190 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 22:51:03,191 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 22:51:03,192 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 22:51:03,192 INFO L185 Difference]: Start difference. First operand has 56 places, 77 transitions, 314 flow. Second operand 8 states and 1041 transitions. [2021-03-25 22:51:03,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 166 transitions, 958 flow [2021-03-25 22:51:03,213 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 22:51:03,217 INFO L241 Difference]: Finished difference. Result has 69 places, 132 transitions, 837 flow [2021-03-25 22:51:03,217 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 22:51:03,218 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 14 predicate places. [2021-03-25 22:51:03,218 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:03,218 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 132 transitions, 837 flow [2021-03-25 22:51:03,219 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 132 transitions, 837 flow [2021-03-25 22:51:03,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 132 transitions, 837 flow [2021-03-25 22:51:03,491 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([296] L739-2-->readerEXIT: Formula: (and (= |v_readerThread1of1ForFork2_#res.base_9| 0) (= |v_readerThread1of1ForFork2_#res.offset_9| 0) (= v_~r~0_121 (+ v_~r~0_122 (- 1)))) InVars {~r~0=v_~r~0_122} OutVars{readerThread1of1ForFork2_#res.base=|v_readerThread1of1ForFork2_#res.base_9|, ~r~0=v_~r~0_121, readerThread1of1ForFork2_#res.offset=|v_readerThread1of1ForFork2_#res.offset_9|} AuxVars[] AssignedVars[readerThread1of1ForFork2_#res.base, ~r~0, readerThread1of1ForFork2_#res.offset][53], [33#readerEXITtrue, 97#L748-2true, 39#writerEXITtrue, Black: 193#(= readerThread1of1ForFork0_~l~0 ~x~0), Black: 194#(= ~y~0 ~x~0), Black: 197#(and (= ~y~0 ~x~0) (= readerThread1of1ForFork0_~l~0 ~x~0)), Black: 199#(and (= ~y~0 ~x~0) (= readerThread1of1ForFork0_~l~0 ~x~0) (= readerThread1of1ForFork0_~ly~0 ~x~0)), Black: 201#(and (= readerThread1of1ForFork0_~l~0 ~x~0) (= readerThread1of1ForFork0_~ly~0 ~x~0)), 111#true, 176#(or (not (= ~w~0 0)) (not (= ~r~0 0))), 48#L735true, Black: 178#(and (= ~r~0 0) (not (= ~w~0 0))), Black: 113#(= readerThread1of1ForFork2_~l~0 ~x~0), Black: 117#(and (= ~y~0 ~x~0) (= readerThread1of1ForFork2_~l~0 ~x~0)), Black: 119#(and (= readerThread1of1ForFork2_~ly~0 ~x~0) (= ~y~0 ~x~0) (= readerThread1of1ForFork2_~l~0 ~x~0)), Black: 121#(and (= readerThread1of1ForFork2_~ly~0 ~x~0) (= readerThread1of1ForFork2_~l~0 ~x~0)), 31#writerEXITtrue, 191#true]) [2021-03-25 22:51:03,491 INFO L384 tUnfolder$Statistics]: this new event has 24 ancestors and is not cut-off event [2021-03-25 22:51:03,491 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-03-25 22:51:03,493 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-03-25 22:51:03,497 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is not cut-off event [2021-03-25 22:51:03,696 INFO L129 PetriNetUnfolder]: 2201/7154 cut-off events. [2021-03-25 22:51:03,696 INFO L130 PetriNetUnfolder]: For 2280/2407 co-relation queries the response was YES. [2021-03-25 22:51:03,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12025 conditions, 7154 events. 2201/7154 cut-off events. For 2280/2407 co-relation queries the response was YES. Maximal size of possible extension queue 916. Compared 89277 event pairs, 36 based on Foata normal form. 55/6987 useless extension candidates. Maximal degree in co-relation 10454. Up to 1584 conditions per place. [2021-03-25 22:51:03,788 INFO L142 LiptonReduction]: Number of co-enabled transitions 3376 [2021-03-25 22:51:04,115 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:51:04,116 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:51:04,116 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 898 [2021-03-25 22:51:04,117 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 132 transitions, 837 flow [2021-03-25 22:51:04,117 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 22:51:04,117 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:04,118 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:04,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 22:51:04,118 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 22:51:04,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:04,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1710558265, now seen corresponding path program 1 times [2021-03-25 22:51:04,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:04,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883023124] [2021-03-25 22:51:04,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:04,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:04,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:04,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:04,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:04,177 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-03-25 22:51:04,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:51:04,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:04,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:04,185 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 22:51:04,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883023124] [2021-03-25 22:51:04,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:04,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:51:04,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617016554] [2021-03-25 22:51:04,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:51:04,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:04,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:51:04,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:51:04,189 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 154 [2021-03-25 22:51:04,189 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 132 transitions, 837 flow. Second operand has 5 states, 5 states have (on average 120.8) internal successors, (604), 5 states have internal predecessors, (604), 0 states have call successors, (0), 0 states 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 22:51:04,190 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:04,190 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 154 [2021-03-25 22:51:04,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:04,386 INFO L129 PetriNetUnfolder]: 626/2080 cut-off events. [2021-03-25 22:51:04,386 INFO L130 PetriNetUnfolder]: For 926/1066 co-relation queries the response was YES. [2021-03-25 22:51:04,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3856 conditions, 2080 events. 626/2080 cut-off events. For 926/1066 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 20419 event pairs, 0 based on Foata normal form. 53/2032 useless extension candidates. Maximal degree in co-relation 3305. Up to 448 conditions per place. [2021-03-25 22:51:04,400 INFO L132 encePairwiseOnDemand]: 145/154 looper letters, 6 selfloop transitions, 19 changer transitions 0/107 dead transitions. [2021-03-25 22:51:04,400 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 107 transitions, 679 flow [2021-03-25 22:51:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 22:51:04,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 22:51:04,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 745 transitions. [2021-03-25 22:51:04,434 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8062770562770563 [2021-03-25 22:51:04,434 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 745 transitions. [2021-03-25 22:51:04,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 745 transitions. [2021-03-25 22:51:04,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:04,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 745 transitions. [2021-03-25 22:51:04,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:04,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 154.0) internal successors, (1078), 7 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states 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 22:51:04,439 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 154.0) internal successors, (1078), 7 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states 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 22:51:04,439 INFO L185 Difference]: Start difference. First operand has 69 places, 132 transitions, 837 flow. Second operand 6 states and 745 transitions. [2021-03-25 22:51:04,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 107 transitions, 679 flow [2021-03-25 22:51:04,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 107 transitions, 653 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-25 22:51:04,445 INFO L241 Difference]: Finished difference. Result has 73 places, 107 transitions, 651 flow [2021-03-25 22:51:04,445 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=651, PETRI_PLACES=73, PETRI_TRANSITIONS=107} [2021-03-25 22:51:04,445 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 18 predicate places. [2021-03-25 22:51:04,446 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:04,446 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 107 transitions, 651 flow [2021-03-25 22:51:04,446 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 107 transitions, 651 flow [2021-03-25 22:51:04,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 107 transitions, 651 flow [2021-03-25 22:51:04,561 INFO L129 PetriNetUnfolder]: 620/2068 cut-off events. [2021-03-25 22:51:04,561 INFO L130 PetriNetUnfolder]: For 736/778 co-relation queries the response was YES. [2021-03-25 22:51:04,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3738 conditions, 2068 events. 620/2068 cut-off events. For 736/778 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 20408 event pairs, 0 based on Foata normal form. 8/1990 useless extension candidates. Maximal degree in co-relation 3324. Up to 440 conditions per place. [2021-03-25 22:51:04,584 INFO L142 LiptonReduction]: Number of co-enabled transitions 2184 [2021-03-25 22:51:04,613 INFO L154 LiptonReduction]: Checked pairs total: 42 [2021-03-25 22:51:04,613 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:51:04,613 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 167 [2021-03-25 22:51:04,617 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 107 transitions, 651 flow [2021-03-25 22:51:04,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 120.8) internal successors, (604), 5 states have internal predecessors, (604), 0 states have call successors, (0), 0 states 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 22:51:04,617 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:04,618 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:04,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 22:51:04,618 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 22:51:04,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:04,618 INFO L82 PathProgramCache]: Analyzing trace with hash -703668366, now seen corresponding path program 1 times [2021-03-25 22:51:04,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:04,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414512316] [2021-03-25 22:51:04,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:04,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:04,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:04,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:04,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:04,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:04,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:04,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:04,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:04,696 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 22:51:04,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414512316] [2021-03-25 22:51:04,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:04,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:51:04,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670708442] [2021-03-25 22:51:04,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:51:04,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:04,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:51:04,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:51:04,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 154 [2021-03-25 22:51:04,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 107 transitions, 651 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 22:51:04,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:04,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 154 [2021-03-25 22:51:04,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:05,015 INFO L129 PetriNetUnfolder]: 856/2739 cut-off events. [2021-03-25 22:51:05,015 INFO L130 PetriNetUnfolder]: For 1734/1786 co-relation queries the response was YES. [2021-03-25 22:51:05,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5709 conditions, 2739 events. 856/2739 cut-off events. For 1734/1786 co-relation queries the response was YES. Maximal size of possible extension queue 367. Compared 27334 event pairs, 38 based on Foata normal form. 24/2651 useless extension candidates. Maximal degree in co-relation 4935. Up to 544 conditions per place. [2021-03-25 22:51:05,039 INFO L132 encePairwiseOnDemand]: 145/154 looper letters, 52 selfloop transitions, 49 changer transitions 0/143 dead transitions. [2021-03-25 22:51:05,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 143 transitions, 1064 flow [2021-03-25 22:51:05,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 22:51:05,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 22:51:05,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1028 transitions. [2021-03-25 22:51:05,042 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8344155844155844 [2021-03-25 22:51:05,042 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1028 transitions. [2021-03-25 22:51:05,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1028 transitions. [2021-03-25 22:51:05,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:05,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1028 transitions. [2021-03-25 22:51:05,045 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 22:51:05,049 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 22:51:05,049 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 22:51:05,049 INFO L185 Difference]: Start difference. First operand has 73 places, 107 transitions, 651 flow. Second operand 8 states and 1028 transitions. [2021-03-25 22:51:05,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 143 transitions, 1064 flow [2021-03-25 22:51:05,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 143 transitions, 1046 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 22:51:05,061 INFO L241 Difference]: Finished difference. Result has 81 places, 123 transitions, 887 flow [2021-03-25 22:51:05,061 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=887, PETRI_PLACES=81, PETRI_TRANSITIONS=123} [2021-03-25 22:51:05,061 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 26 predicate places. [2021-03-25 22:51:05,061 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:05,062 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 123 transitions, 887 flow [2021-03-25 22:51:05,062 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 123 transitions, 887 flow [2021-03-25 22:51:05,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 123 transitions, 887 flow [2021-03-25 22:51:05,192 INFO L129 PetriNetUnfolder]: 716/2332 cut-off events. [2021-03-25 22:51:05,192 INFO L130 PetriNetUnfolder]: For 1365/1401 co-relation queries the response was YES. [2021-03-25 22:51:05,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4453 conditions, 2332 events. 716/2332 cut-off events. For 1365/1401 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 23456 event pairs, 0 based on Foata normal form. 0/2219 useless extension candidates. Maximal degree in co-relation 3856. Up to 500 conditions per place. [2021-03-25 22:51:05,218 INFO L142 LiptonReduction]: Number of co-enabled transitions 2472 [2021-03-25 22:51:05,224 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:51:05,225 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:51:05,225 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 164 [2021-03-25 22:51:05,227 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 123 transitions, 887 flow [2021-03-25 22:51:05,227 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 22:51:05,227 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:05,227 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:05,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 22:51:05,227 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 22:51:05,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:05,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1787629315, now seen corresponding path program 1 times [2021-03-25 22:51:05,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:05,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590898729] [2021-03-25 22:51:05,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:05,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:05,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:05,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:05,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:05,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:05,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:05,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:05,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:05,320 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 22:51:05,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590898729] [2021-03-25 22:51:05,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:05,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:51:05,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550809027] [2021-03-25 22:51:05,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:51:05,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:05,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:51:05,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:51:05,323 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 154 [2021-03-25 22:51:05,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 123 transitions, 887 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 22:51:05,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:05,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 154 [2021-03-25 22:51:05,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:05,600 INFO L129 PetriNetUnfolder]: 861/2764 cut-off events. [2021-03-25 22:51:05,600 INFO L130 PetriNetUnfolder]: For 2532/2606 co-relation queries the response was YES. [2021-03-25 22:51:05,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5885 conditions, 2764 events. 861/2764 cut-off events. For 2532/2606 co-relation queries the response was YES. Maximal size of possible extension queue 367. Compared 27699 event pairs, 29 based on Foata normal form. 24/2670 useless extension candidates. Maximal degree in co-relation 5121. Up to 562 conditions per place. [2021-03-25 22:51:05,619 INFO L132 encePairwiseOnDemand]: 145/154 looper letters, 53 selfloop transitions, 60 changer transitions 0/155 dead transitions. [2021-03-25 22:51:05,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 155 transitions, 1351 flow [2021-03-25 22:51:05,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 22:51:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 22:51:05,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1027 transitions. [2021-03-25 22:51:05,622 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8336038961038961 [2021-03-25 22:51:05,622 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1027 transitions. [2021-03-25 22:51:05,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1027 transitions. [2021-03-25 22:51:05,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:05,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1027 transitions. [2021-03-25 22:51:05,625 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 22:51:05,626 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 22:51:05,627 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 22:51:05,627 INFO L185 Difference]: Start difference. First operand has 81 places, 123 transitions, 887 flow. Second operand 8 states and 1027 transitions. [2021-03-25 22:51:05,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 155 transitions, 1351 flow [2021-03-25 22:51:05,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 155 transitions, 1337 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-25 22:51:05,637 INFO L241 Difference]: Finished difference. Result has 90 places, 138 transitions, 1188 flow [2021-03-25 22:51:05,637 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1188, PETRI_PLACES=90, PETRI_TRANSITIONS=138} [2021-03-25 22:51:05,637 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 35 predicate places. [2021-03-25 22:51:05,638 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:05,638 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 138 transitions, 1188 flow [2021-03-25 22:51:05,638 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 138 transitions, 1188 flow [2021-03-25 22:51:05,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 138 transitions, 1188 flow [2021-03-25 22:51:05,761 INFO L129 PetriNetUnfolder]: 703/2353 cut-off events. [2021-03-25 22:51:05,762 INFO L130 PetriNetUnfolder]: For 2146/2184 co-relation queries the response was YES. [2021-03-25 22:51:05,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4767 conditions, 2353 events. 703/2353 cut-off events. For 2146/2184 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 23957 event pairs, 0 based on Foata normal form. 0/2244 useless extension candidates. Maximal degree in co-relation 4246. Up to 508 conditions per place. [2021-03-25 22:51:05,781 INFO L142 LiptonReduction]: Number of co-enabled transitions 2714 [2021-03-25 22:51:05,788 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:51:05,788 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:51:05,789 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 151 [2021-03-25 22:51:05,789 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 138 transitions, 1188 flow [2021-03-25 22:51:05,790 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 22:51:05,790 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:05,790 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 22:51:05,790 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 22:51:05,790 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 22:51:05,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:05,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1939398879, now seen corresponding path program 1 times [2021-03-25 22:51:05,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:05,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3616526] [2021-03-25 22:51:05,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:05,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:05,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:05,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:05,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:05,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:05,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:05,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:05,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:05,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:05,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:05,825 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 22:51:05,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3616526] [2021-03-25 22:51:05,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:05,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:51:05,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944983685] [2021-03-25 22:51:05,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:51:05,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:05,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:51:05,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:51:05,827 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 154 [2021-03-25 22:51:05,828 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 138 transitions, 1188 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 22:51:05,828 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:05,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 154 [2021-03-25 22:51:05,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:06,043 INFO L129 PetriNetUnfolder]: 648/2292 cut-off events. [2021-03-25 22:51:06,043 INFO L130 PetriNetUnfolder]: For 1959/2086 co-relation queries the response was YES. [2021-03-25 22:51:06,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4634 conditions, 2292 events. 648/2292 cut-off events. For 1959/2086 co-relation queries the response was YES. Maximal size of possible extension queue 340. Compared 23612 event pairs, 0 based on Foata normal form. 79/2266 useless extension candidates. Maximal degree in co-relation 3727. Up to 508 conditions per place. [2021-03-25 22:51:06,056 INFO L132 encePairwiseOnDemand]: 147/154 looper letters, 6 selfloop transitions, 11 changer transitions 21/130 dead transitions. [2021-03-25 22:51:06,056 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 130 transitions, 1106 flow [2021-03-25 22:51:06,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 22:51:06,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 22:51:06,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 671 transitions. [2021-03-25 22:51:06,058 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8714285714285714 [2021-03-25 22:51:06,059 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 671 transitions. [2021-03-25 22:51:06,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 671 transitions. [2021-03-25 22:51:06,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:06,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 671 transitions. [2021-03-25 22:51:06,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.2) internal successors, (671), 5 states have internal predecessors, (671), 0 states have call successors, (0), 0 states 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 22:51:06,062 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 22:51:06,062 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 22:51:06,062 INFO L185 Difference]: Start difference. First operand has 90 places, 138 transitions, 1188 flow. Second operand 5 states and 671 transitions. [2021-03-25 22:51:06,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 130 transitions, 1106 flow [2021-03-25 22:51:06,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 130 transitions, 1097 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 22:51:06,072 INFO L241 Difference]: Finished difference. Result has 94 places, 109 transitions, 880 flow [2021-03-25 22:51:06,073 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=880, PETRI_PLACES=94, PETRI_TRANSITIONS=109} [2021-03-25 22:51:06,073 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 39 predicate places. [2021-03-25 22:51:06,073 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:06,073 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 109 transitions, 880 flow [2021-03-25 22:51:06,073 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 109 transitions, 880 flow [2021-03-25 22:51:06,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 109 transitions, 880 flow [2021-03-25 22:51:06,194 INFO L129 PetriNetUnfolder]: 498/1721 cut-off events. [2021-03-25 22:51:06,194 INFO L130 PetriNetUnfolder]: For 1213/1221 co-relation queries the response was YES. [2021-03-25 22:51:06,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3267 conditions, 1721 events. 498/1721 cut-off events. For 1213/1221 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 16902 event pairs, 0 based on Foata normal form. 4/1643 useless extension candidates. Maximal degree in co-relation 2623. Up to 396 conditions per place. [2021-03-25 22:51:06,217 INFO L142 LiptonReduction]: Number of co-enabled transitions 2110 [2021-03-25 22:51:06,222 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:51:06,222 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:51:06,222 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 149 [2021-03-25 22:51:06,223 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 109 transitions, 880 flow [2021-03-25 22:51:06,224 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 22:51:06,224 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:06,224 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 22:51:06,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 22:51:06,224 INFO L428 AbstractCegarLoop]: === Iteration 8 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 22:51:06,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:06,224 INFO L82 PathProgramCache]: Analyzing trace with hash -193436569, now seen corresponding path program 2 times [2021-03-25 22:51:06,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:06,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114616707] [2021-03-25 22:51:06,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:06,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:06,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:06,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:06,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:06,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:06,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:06,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:06,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:06,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:06,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:06,279 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 22:51:06,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114616707] [2021-03-25 22:51:06,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:06,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:51:06,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661935855] [2021-03-25 22:51:06,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:51:06,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:06,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:51:06,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:51:06,282 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 154 [2021-03-25 22:51:06,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 109 transitions, 880 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 22:51:06,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:06,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 154 [2021-03-25 22:51:06,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:06,341 INFO L129 PetriNetUnfolder]: 130/563 cut-off events. [2021-03-25 22:51:06,341 INFO L130 PetriNetUnfolder]: For 758/771 co-relation queries the response was YES. [2021-03-25 22:51:06,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1311 conditions, 563 events. 130/563 cut-off events. For 758/771 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4111 event pairs, 0 based on Foata normal form. 10/541 useless extension candidates. Maximal degree in co-relation 1113. Up to 108 conditions per place. [2021-03-25 22:51:06,344 INFO L132 encePairwiseOnDemand]: 147/154 looper letters, 0 selfloop transitions, 0 changer transitions 68/68 dead transitions. [2021-03-25 22:51:06,344 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 68 transitions, 486 flow [2021-03-25 22:51:06,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 22:51:06,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 22:51:06,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 663 transitions. [2021-03-25 22:51:06,346 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.861038961038961 [2021-03-25 22:51:06,346 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 663 transitions. [2021-03-25 22:51:06,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 663 transitions. [2021-03-25 22:51:06,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:06,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 663 transitions. [2021-03-25 22:51:06,348 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 22:51:06,349 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 22:51:06,349 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 22:51:06,349 INFO L185 Difference]: Start difference. First operand has 93 places, 109 transitions, 880 flow. Second operand 5 states and 663 transitions. [2021-03-25 22:51:06,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 68 transitions, 486 flow [2021-03-25 22:51:06,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 68 transitions, 332 flow, removed 11 selfloop flow, removed 29 redundant places. [2021-03-25 22:51:06,354 INFO L241 Difference]: Finished difference. Result has 64 places, 0 transitions, 0 flow [2021-03-25 22:51:06,354 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 22:51:06,354 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 9 predicate places. [2021-03-25 22:51:06,354 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:06,354 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 0 transitions, 0 flow [2021-03-25 22:51:06,355 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 0 transitions, 0 flow [2021-03-25 22:51:06,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 22:51:06,355 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 22:51:06,355 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 22:51:06,355 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 22:51:06,355 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 22:51:06,355 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 22:51:06,355 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:51:06,355 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-25 22:51:06,356 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-25 22:51:06,356 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 22:51:06,357 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 22:51:06,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 10:51:06 BasicIcfg [2021-03-25 22:51:06,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 22:51:06,360 INFO L168 Benchmark]: Toolchain (without parser) took 11220.62 ms. Allocated memory was 255.9 MB in the beginning and 710.9 MB in the end (delta: 455.1 MB). Free memory was 234.2 MB in the beginning and 541.1 MB in the end (delta: -306.9 MB). Peak memory consumption was 148.2 MB. Max. memory is 16.0 GB. [2021-03-25 22:51:06,361 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 22:51:06,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.73 ms. Allocated memory was 255.9 MB in the beginning and 396.4 MB in the end (delta: 140.5 MB). Free memory was 233.7 MB in the beginning and 359.0 MB in the end (delta: -125.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-25 22:51:06,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.33 ms. Allocated memory is still 396.4 MB. Free memory was 359.0 MB in the beginning and 356.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 22:51:06,361 INFO L168 Benchmark]: Boogie Preprocessor took 17.50 ms. Allocated memory is still 396.4 MB. Free memory was 356.8 MB in the beginning and 355.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 22:51:06,362 INFO L168 Benchmark]: RCFGBuilder took 514.87 ms. Allocated memory is still 396.4 MB. Free memory was 355.4 MB in the beginning and 365.5 MB in the end (delta: -10.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.0 GB. [2021-03-25 22:51:06,362 INFO L168 Benchmark]: TraceAbstraction took 10114.96 ms. Allocated memory was 396.4 MB in the beginning and 710.9 MB in the end (delta: 314.6 MB). Free memory was 364.7 MB in the beginning and 541.1 MB in the end (delta: -176.3 MB). Peak memory consumption was 136.9 MB. Max. memory is 16.0 GB. [2021-03-25 22:51:06,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 508.73 ms. Allocated memory was 255.9 MB in the beginning and 396.4 MB in the end (delta: 140.5 MB). Free memory was 233.7 MB in the beginning and 359.0 MB in the end (delta: -125.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 59.33 ms. Allocated memory is still 396.4 MB. Free memory was 359.0 MB in the beginning and 356.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.50 ms. Allocated memory is still 396.4 MB. Free memory was 356.8 MB in the beginning and 355.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 514.87 ms. Allocated memory is still 396.4 MB. Free memory was 355.4 MB in the beginning and 365.5 MB in the end (delta: -10.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 10114.96 ms. Allocated memory was 396.4 MB in the beginning and 710.9 MB in the end (delta: 314.6 MB). Free memory was 364.7 MB in the beginning and 541.1 MB in the end (delta: -176.3 MB). Peak memory consumption was 136.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1849.3ms, 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: 1945, positive: 1865, positive conditional: 1865, positive unconditional: 0, negative: 80, negative conditional: 80, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1420, positive: 1387, positive conditional: 0, positive unconditional: 1387, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1420, positive: 1387, positive conditional: 0, positive unconditional: 1387, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1420, positive: 1378, positive conditional: 0, positive unconditional: 1378, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1945, positive: 478, positive conditional: 478, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 1420, unknown conditional: 1420, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 182, Positive cache size: 164, Positive conditional cache size: 164, Positive unconditional cache size: 0, Negative cache size: 18, Negative conditional cache size: 18, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 813.5ms, 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: 606, positive: 532, positive conditional: 532, positive unconditional: 0, negative: 74, negative conditional: 74, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162, positive: 147, positive conditional: 36, positive unconditional: 111, negative: 15, negative conditional: 10, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 162, positive: 147, positive conditional: 36, positive unconditional: 111, negative: 15, negative conditional: 10, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 162, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 15, negative conditional: 10, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 81, negative conditional: 52, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 606, positive: 385, positive conditional: 385, positive unconditional: 0, negative: 59, negative conditional: 59, negative unconditional: 0, unknown: 162, unknown conditional: 162, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 251, Positive cache size: 224, Positive conditional cache size: 224, Positive unconditional cache size: 0, Negative cache size: 27, Negative conditional cache size: 27, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1933.3ms, 58 PlacesBefore, 56 PlacesAfterwards, 79 TransitionsBefore, 77 TransitionsAfterwards, 1960 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1653 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 273, positive: 234, positive conditional: 234, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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: 273, positive: 221, positive conditional: 221, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 237, Positive conditional cache size: 237, Positive unconditional cache size: 0, Negative cache size: 27, Negative conditional cache size: 27, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 896.5ms, 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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): 264, Positive cache size: 237, Positive conditional cache size: 237, Positive unconditional cache size: 0, Negative cache size: 27, Negative conditional cache size: 27, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 167.3ms, 73 PlacesBefore, 73 PlacesAfterwards, 107 TransitionsBefore, 107 TransitionsAfterwards, 2184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 42 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 269, Positive cache size: 241, Positive conditional cache size: 241, Positive unconditional cache size: 0, Negative cache size: 28, Negative conditional cache size: 28, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 162.8ms, 81 PlacesBefore, 81 PlacesAfterwards, 123 TransitionsBefore, 123 TransitionsAfterwards, 2472 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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): 269, Positive cache size: 241, Positive conditional cache size: 241, Positive unconditional cache size: 0, Negative cache size: 28, Negative conditional cache size: 28, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 150.6ms, 90 PlacesBefore, 90 PlacesAfterwards, 138 TransitionsBefore, 138 TransitionsAfterwards, 2714 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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): 269, Positive cache size: 241, Positive conditional cache size: 241, Positive unconditional cache size: 0, Negative cache size: 28, Negative conditional cache size: 28, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 148.9ms, 94 PlacesBefore, 93 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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): 269, Positive cache size: 241, Positive conditional cache size: 241, Positive unconditional cache size: 0, Negative cache size: 28, Negative conditional cache size: 28, Negative unconditional cache size: 0 - 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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): 269, Positive cache size: 241, Positive conditional cache size: 241, Positive unconditional cache size: 0, Negative cache size: 28, Negative conditional cache size: 28, Negative unconditional cache size: 0 - 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: 4.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 10000.2ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3048.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1932.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 87 SDtfs, 145 SDslu, 58 SDs, 0 SdLazy, 449 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 316.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 217.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1188occurred in iteration=6, InterpolantAutomatonStates: 52, 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: 18.6ms SsaConstructionTime, 153.2ms SatisfiabilityAnalysisTime, 411.4ms InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...