/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 14:30:03,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 14:30:03,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 14:30:04,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 14:30:04,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 14:30:04,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 14:30:04,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 14:30:04,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 14:30:04,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 14:30:04,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 14:30:04,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 14:30:04,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 14:30:04,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 14:30:04,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 14:30:04,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 14:30:04,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 14:30:04,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 14:30:04,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 14:30:04,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 14:30:04,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 14:30:04,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 14:30:04,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 14:30:04,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 14:30:04,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 14:30:04,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 14:30:04,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 14:30:04,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 14:30:04,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 14:30:04,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 14:30:04,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 14:30:04,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 14:30:04,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 14:30:04,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 14:30:04,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 14:30:04,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 14:30:04,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 14:30:04,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 14:30:04,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 14:30:04,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 14:30:04,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 14:30:04,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 14:30:04,066 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 14:30:04,092 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 14:30:04,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 14:30:04,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 14:30:04,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 14:30:04,094 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 14:30:04,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 14:30:04,095 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 14:30:04,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 14:30:04,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 14:30:04,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 14:30:04,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 14:30:04,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 14:30:04,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 14:30:04,096 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 14:30:04,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 14:30:04,096 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 14:30:04,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 14:30:04,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 14:30:04,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 14:30:04,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 14:30:04,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 14:30:04,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 14:30:04,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 14:30:04,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 14:30:04,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 14:30:04,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 14:30:04,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 14:30:04,097 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 14:30:04,097 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 14:30:04,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 14:30:04,097 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 14:30:04,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 14:30:04,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 14:30:04,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 14:30:04,377 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 14:30:04,378 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 14:30:04,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-06-11 14:30:04,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d13b86c/0639389fd7994be5917affe1ccf0513f/FLAGca8e0bf5b [2021-06-11 14:30:04,842 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 14:30:04,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2021-06-11 14:30:04,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d13b86c/0639389fd7994be5917affe1ccf0513f/FLAGca8e0bf5b [2021-06-11 14:30:04,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d13b86c/0639389fd7994be5917affe1ccf0513f [2021-06-11 14:30:04,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 14:30:04,873 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 14:30:04,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 14:30:04,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 14:30:04,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 14:30:04,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 02:30:04" (1/1) ... [2021-06-11 14:30:04,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5049a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:30:04, skipping insertion in model container [2021-06-11 14:30:04,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 02:30:04" (1/1) ... [2021-06-11 14:30:04,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 14:30:04,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 14:30:05,066 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-11 14:30:05,181 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] [2021-06-11 14:30:05,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 14:30:05,197 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 14:30:05,217 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-11 14:30:05,240 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] [2021-06-11 14:30:05,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 14:30:05,294 INFO L208 MainTranslator]: Completed translation [2021-06-11 14:30:05,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:30:05 WrapperNode [2021-06-11 14:30:05,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 14:30:05,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 14:30:05,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 14:30:05,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 14:30:05,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:30:05" (1/1) ... [2021-06-11 14:30:05,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:30:05" (1/1) ... [2021-06-11 14:30:05,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 14:30:05,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 14:30:05,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 14:30:05,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 14:30:05,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:30:05" (1/1) ... [2021-06-11 14:30:05,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:30:05" (1/1) ... [2021-06-11 14:30:05,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:30:05" (1/1) ... [2021-06-11 14:30:05,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:30:05" (1/1) ... [2021-06-11 14:30:05,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:30:05" (1/1) ... [2021-06-11 14:30:05,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:30:05" (1/1) ... [2021-06-11 14:30:05,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:30:05" (1/1) ... [2021-06-11 14:30:05,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 14:30:05,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 14:30:05,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 14:30:05,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 14:30:05,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:30:05" (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 [2021-06-11 14:30:05,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-11 14:30:05,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 14:30:05,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 14:30:05,422 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-06-11 14:30:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-06-11 14:30:05,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 14:30:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 14:30:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 14:30:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 14:30:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 14:30:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 14:30:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-06-11 14:30:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-06-11 14:30:05,424 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 14:30:05,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 14:30:05,788 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-11 14:30:05,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 02:30:05 BoogieIcfgContainer [2021-06-11 14:30:05,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 14:30:05,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 14:30:05,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 14:30:05,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 14:30:05,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 02:30:04" (1/3) ... [2021-06-11 14:30:05,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5127164e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 02:30:05, skipping insertion in model container [2021-06-11 14:30:05,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:30:05" (2/3) ... [2021-06-11 14:30:05,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5127164e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 02:30:05, skipping insertion in model container [2021-06-11 14:30:05,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 02:30:05" (3/3) ... [2021-06-11 14:30:05,796 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2021-06-11 14:30:05,800 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 14:30:05,804 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 14:30:05,805 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 14:30:05,836 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,836 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,836 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,836 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,837 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,837 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,837 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,837 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,837 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,837 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,837 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,838 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,838 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,838 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,838 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,838 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,838 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,838 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,838 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,839 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,839 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,839 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,840 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,840 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,840 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,840 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,840 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,840 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,840 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,840 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,841 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,841 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,841 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,841 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,842 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,842 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,842 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,842 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,843 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,843 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,843 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,843 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,843 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,843 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,843 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,843 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,844 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,844 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,844 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,844 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,844 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,844 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,844 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,845 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,845 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,845 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,845 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,845 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,846 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,846 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,846 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,846 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,846 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,846 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,847 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,847 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,847 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,847 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,847 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,847 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,847 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,847 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,847 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,848 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,848 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,848 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,848 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,848 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,848 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,848 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,849 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,849 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,849 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,849 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,850 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,850 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,850 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,850 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,850 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,850 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,850 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,851 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,851 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,851 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,851 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,851 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,852 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,853 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,855 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,855 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,857 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,858 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,861 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,862 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,862 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,862 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,862 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,862 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,862 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,865 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,865 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,865 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,865 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,865 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,865 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,868 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,868 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,868 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,868 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,868 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~lx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,868 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,869 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~ly~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,869 WARN L313 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,869 WARN L313 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,870 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,870 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,870 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,870 WARN L313 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,870 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,870 WARN L313 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:30:05,890 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-06-11 14:30:05,903 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 14:30:05,926 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 14:30:05,926 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 14:30:05,926 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 14:30:05,927 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 14:30:05,927 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 14:30:05,927 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 14:30:05,927 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 14:30:05,927 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 14:30:05,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 108 transitions, 284 flow [2021-06-11 14:30:05,996 INFO L129 PetriNetUnfolder]: 19/142 cut-off events. [2021-06-11 14:30:05,997 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-06-11 14:30:06,009 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. [2021-06-11 14:30:06,010 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 108 transitions, 284 flow [2021-06-11 14:30:06,013 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 88 transitions, 224 flow [2021-06-11 14:30:06,014 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:30:06,022 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 88 transitions, 224 flow [2021-06-11 14:30:06,024 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 88 transitions, 224 flow [2021-06-11 14:30:06,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 88 transitions, 224 flow [2021-06-11 14:30:06,063 INFO L129 PetriNetUnfolder]: 16/126 cut-off events. [2021-06-11 14:30:06,064 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-06-11 14:30:06,066 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. [2021-06-11 14:30:06,069 INFO L151 LiptonReduction]: Number of co-enabled transitions 2808 [2021-06-11 14:30:06,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:06,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:06,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:06,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:06,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:06,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,306 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 14:30:06,307 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 14:30:06,327 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:06,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:06,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,405 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 14:30:06,405 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 14:30:06,406 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:06,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:06,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:06,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:06,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 14:30:06,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 14:30:06,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:06,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 14:30:06,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 14:30:06,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:06,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:06,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,765 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-06-11 14:30:06,765 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 14:30:06,766 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 14:30:06,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:06,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:06,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:06,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:06,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,938 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-06-11 14:30:06,939 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 14:30:06,939 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 14:30:06,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:06,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:07,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:07,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:07,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 14:30:07,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 14:30:07,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:07,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:07,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 14:30:07,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 14:30:07,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:07,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 14:30:07,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 14:30:07,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,176 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 14:30:07,176 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 14:30:07,177 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:07,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,230 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 14:30:07,231 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 14:30:07,244 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:07,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:07,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 14:30:07,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 14:30:07,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:07,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 14:30:07,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 14:30:07,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:07,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:07,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 14:30:07,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 14:30:08,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 14:30:08,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 14:30:08,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:08,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 14:30:08,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 14:30:08,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 14:30:08,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 14:30:08,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 14:30:08,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 14:30:08,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 14:30:08,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 14:30:08,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-06-11 14:30:08,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-06-11 14:30:08,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 14:30:08,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 14:30:08,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 14:30:08,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 14:30:08,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:08,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:08,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 14:30:08,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 14:30:08,753 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2021-06-11 14:30:08,875 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-06-11 14:30:09,162 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2021-06-11 14:30:09,270 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-06-11 14:30:09,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:09,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:09,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 14:30:09,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 14:30:09,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:09,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:09,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 14:30:09,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 14:30:09,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:09,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:09,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 14:30:09,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 14:30:09,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:09,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:09,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 14:30:09,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 14:30:09,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:30:09,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-06-11 14:30:09,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-06-11 14:30:09,321 INFO L163 LiptonReduction]: Checked pairs total: 7794 [2021-06-11 14:30:09,322 INFO L165 LiptonReduction]: Total number of compositions: 50 [2021-06-11 14:30:09,324 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3311 [2021-06-11 14:30:09,330 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-06-11 14:30:09,330 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 14:30:09,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:30:09,330 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:30:09,331 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]=== [2021-06-11 14:30:09,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:30:09,334 INFO L82 PathProgramCache]: Analyzing trace with hash 886451917, now seen corresponding path program 1 times [2021-06-11 14:30:09,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:30:09,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380714146] [2021-06-11 14:30:09,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:30:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:30:09,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:09,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:09,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:09,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:30:09,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380714146] [2021-06-11 14:30:09,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:30:09,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 14:30:09,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45973600] [2021-06-11 14:30:09,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 14:30:09,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:30:09,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 14:30:09,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 14:30:09,458 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 158 [2021-06-11 14:30:09,462 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 48 transitions, 144 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) [2021-06-11 14:30:09,462 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:30:09,462 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 158 [2021-06-11 14:30:09,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:30:09,691 INFO L129 PetriNetUnfolder]: 746/1793 cut-off events. [2021-06-11 14:30:09,691 INFO L130 PetriNetUnfolder]: For 493/493 co-relation queries the response was YES. [2021-06-11 14:30:09,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3194 conditions, 1793 events. 746/1793 cut-off events. For 493/493 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 14215 event pairs, 95 based on Foata normal form. 0/1607 useless extension candidates. Maximal degree in co-relation 2622. Up to 553 conditions per place. [2021-06-11 14:30:09,707 INFO L132 encePairwiseOnDemand]: 149/158 looper letters, 43 selfloop transitions, 22 changer transitions 0/97 dead transitions. [2021-06-11 14:30:09,708 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 97 transitions, 375 flow [2021-06-11 14:30:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 14:30:09,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 14:30:09,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1043 transitions. [2021-06-11 14:30:09,719 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8251582278481012 [2021-06-11 14:30:09,720 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1043 transitions. [2021-06-11 14:30:09,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1043 transitions. [2021-06-11 14:30:09,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:30:09,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1043 transitions. [2021-06-11 14:30:09,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 130.375) internal successors, (1043), 8 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:09,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 158.0) internal successors, (1422), 9 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:09,733 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 158.0) internal successors, (1422), 9 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:09,735 INFO L185 Difference]: Start difference. First operand has 52 places, 48 transitions, 144 flow. Second operand 8 states and 1043 transitions. [2021-06-11 14:30:09,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 97 transitions, 375 flow [2021-06-11 14:30:09,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 97 transitions, 341 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-06-11 14:30:09,745 INFO L241 Difference]: Finished difference. Result has 57 places, 68 transitions, 259 flow [2021-06-11 14:30:09,747 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=259, PETRI_PLACES=57, PETRI_TRANSITIONS=68} [2021-06-11 14:30:09,747 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 5 predicate places. [2021-06-11 14:30:09,747 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:30:09,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 68 transitions, 259 flow [2021-06-11 14:30:09,748 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 68 transitions, 259 flow [2021-06-11 14:30:09,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 68 transitions, 259 flow [2021-06-11 14:30:09,784 INFO L129 PetriNetUnfolder]: 209/711 cut-off events. [2021-06-11 14:30:09,784 INFO L130 PetriNetUnfolder]: For 128/147 co-relation queries the response was YES. [2021-06-11 14:30:09,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1010 conditions, 711 events. 209/711 cut-off events. For 128/147 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5516 event pairs, 1 based on Foata normal form. 0/657 useless extension candidates. Maximal degree in co-relation 656. Up to 148 conditions per place. [2021-06-11 14:30:09,793 INFO L151 LiptonReduction]: Number of co-enabled transitions 1990 [2021-06-11 14:30:09,805 INFO L163 LiptonReduction]: Checked pairs total: 1288 [2021-06-11 14:30:09,805 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:30:09,805 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-06-11 14:30:09,806 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 68 transitions, 259 flow [2021-06-11 14:30:09,806 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) [2021-06-11 14:30:09,806 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:30:09,806 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:30:09,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 14:30:09,807 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]=== [2021-06-11 14:30:09,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:30:09,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1478588319, now seen corresponding path program 1 times [2021-06-11 14:30:09,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:30:09,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198052384] [2021-06-11 14:30:09,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:30:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:30:09,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:09,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:09,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:09,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:30:09,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198052384] [2021-06-11 14:30:09,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:30:09,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 14:30:09,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247690653] [2021-06-11 14:30:09,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 14:30:09,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:30:09,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 14:30:09,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 14:30:09,859 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 158 [2021-06-11 14:30:09,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 68 transitions, 259 flow. Second operand has 4 states, 4 states have (on average 134.75) internal successors, (539), 4 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:09,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:30:09,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 158 [2021-06-11 14:30:09,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:30:10,035 INFO L129 PetriNetUnfolder]: 728/2482 cut-off events. [2021-06-11 14:30:10,036 INFO L130 PetriNetUnfolder]: For 440/548 co-relation queries the response was YES. [2021-06-11 14:30:10,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3890 conditions, 2482 events. 728/2482 cut-off events. For 440/548 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 25386 event pairs, 24 based on Foata normal form. 16/2287 useless extension candidates. Maximal degree in co-relation 2992. Up to 414 conditions per place. [2021-06-11 14:30:10,054 INFO L132 encePairwiseOnDemand]: 151/158 looper letters, 8 selfloop transitions, 9 changer transitions 0/78 dead transitions. [2021-06-11 14:30:10,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 78 transitions, 313 flow [2021-06-11 14:30:10,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 14:30:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 14:30:10,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 555 transitions. [2021-06-11 14:30:10,056 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8781645569620253 [2021-06-11 14:30:10,057 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 555 transitions. [2021-06-11 14:30:10,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 555 transitions. [2021-06-11 14:30:10,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:30:10,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 555 transitions. [2021-06-11 14:30:10,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 138.75) internal successors, (555), 4 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:10,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 158.0) internal successors, (790), 5 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:10,059 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 158.0) internal successors, (790), 5 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:10,059 INFO L185 Difference]: Start difference. First operand has 57 places, 68 transitions, 259 flow. Second operand 4 states and 555 transitions. [2021-06-11 14:30:10,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 78 transitions, 313 flow [2021-06-11 14:30:10,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 78 transitions, 313 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 14:30:10,066 INFO L241 Difference]: Finished difference. Result has 63 places, 76 transitions, 327 flow [2021-06-11 14:30:10,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=327, PETRI_PLACES=63, PETRI_TRANSITIONS=76} [2021-06-11 14:30:10,066 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 11 predicate places. [2021-06-11 14:30:10,066 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:30:10,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 76 transitions, 327 flow [2021-06-11 14:30:10,068 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 76 transitions, 327 flow [2021-06-11 14:30:10,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 76 transitions, 327 flow [2021-06-11 14:30:10,236 INFO L129 PetriNetUnfolder]: 713/2502 cut-off events. [2021-06-11 14:30:10,236 INFO L130 PetriNetUnfolder]: For 670/692 co-relation queries the response was YES. [2021-06-11 14:30:10,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4211 conditions, 2502 events. 713/2502 cut-off events. For 670/692 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 25740 event pairs, 21 based on Foata normal form. 0/2371 useless extension candidates. Maximal degree in co-relation 2897. Up to 450 conditions per place. [2021-06-11 14:30:10,265 INFO L151 LiptonReduction]: Number of co-enabled transitions 2408 [2021-06-11 14:30:10,276 INFO L163 LiptonReduction]: Checked pairs total: 495 [2021-06-11 14:30:10,276 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:30:10,276 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 210 [2021-06-11 14:30:10,279 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 76 transitions, 327 flow [2021-06-11 14:30:10,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 134.75) internal successors, (539), 4 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:10,279 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:30:10,279 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:30:10,279 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 14:30:10,279 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]=== [2021-06-11 14:30:10,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:30:10,280 INFO L82 PathProgramCache]: Analyzing trace with hash -97655839, now seen corresponding path program 2 times [2021-06-11 14:30:10,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:30:10,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843866962] [2021-06-11 14:30:10,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:30:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:30:10,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:10,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:10,353 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-06-11 14:30:10,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 14:30:10,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:10,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:10,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:30:10,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843866962] [2021-06-11 14:30:10,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:30:10,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 14:30:10,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575648863] [2021-06-11 14:30:10,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 14:30:10,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:30:10,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 14:30:10,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 14:30:10,357 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 158 [2021-06-11 14:30:10,357 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 76 transitions, 327 flow. Second operand has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:10,357 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:30:10,357 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 158 [2021-06-11 14:30:10,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:30:10,439 INFO L129 PetriNetUnfolder]: 383/1331 cut-off events. [2021-06-11 14:30:10,439 INFO L130 PetriNetUnfolder]: For 516/585 co-relation queries the response was YES. [2021-06-11 14:30:10,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2199 conditions, 1331 events. 383/1331 cut-off events. For 516/585 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 11908 event pairs, 2 based on Foata normal form. 51/1293 useless extension candidates. Maximal degree in co-relation 1414. Up to 270 conditions per place. [2021-06-11 14:30:10,448 INFO L132 encePairwiseOnDemand]: 152/158 looper letters, 5 selfloop transitions, 6 changer transitions 0/76 dead transitions. [2021-06-11 14:30:10,448 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 76 transitions, 349 flow [2021-06-11 14:30:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 14:30:10,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 14:30:10,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 407 transitions. [2021-06-11 14:30:10,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8586497890295358 [2021-06-11 14:30:10,449 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 407 transitions. [2021-06-11 14:30:10,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 407 transitions. [2021-06-11 14:30:10,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:30:10,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 407 transitions. [2021-06-11 14:30:10,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:10,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:10,451 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:10,451 INFO L185 Difference]: Start difference. First operand has 63 places, 76 transitions, 327 flow. Second operand 3 states and 407 transitions. [2021-06-11 14:30:10,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 76 transitions, 349 flow [2021-06-11 14:30:10,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 76 transitions, 349 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 14:30:10,455 INFO L241 Difference]: Finished difference. Result has 66 places, 76 transitions, 349 flow [2021-06-11 14:30:10,455 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=349, PETRI_PLACES=66, PETRI_TRANSITIONS=76} [2021-06-11 14:30:10,455 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 14 predicate places. [2021-06-11 14:30:10,455 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:30:10,455 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 76 transitions, 349 flow [2021-06-11 14:30:10,455 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 76 transitions, 349 flow [2021-06-11 14:30:10,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 76 transitions, 349 flow [2021-06-11 14:30:10,519 INFO L129 PetriNetUnfolder]: 376/1312 cut-off events. [2021-06-11 14:30:10,519 INFO L130 PetriNetUnfolder]: For 609/657 co-relation queries the response was YES. [2021-06-11 14:30:10,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2211 conditions, 1312 events. 376/1312 cut-off events. For 609/657 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 11791 event pairs, 1 based on Foata normal form. 1/1237 useless extension candidates. Maximal degree in co-relation 1456. Up to 268 conditions per place. [2021-06-11 14:30:10,534 INFO L151 LiptonReduction]: Number of co-enabled transitions 1966 [2021-06-11 14:30:10,542 INFO L163 LiptonReduction]: Checked pairs total: 395 [2021-06-11 14:30:10,542 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:30:10,542 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-06-11 14:30:10,543 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 76 transitions, 349 flow [2021-06-11 14:30:10,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:10,543 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:30:10,543 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:30:10,543 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 14:30:10,543 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]=== [2021-06-11 14:30:10,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:30:10,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1098164392, now seen corresponding path program 1 times [2021-06-11 14:30:10,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:30:10,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917679519] [2021-06-11 14:30:10,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:30:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:30:10,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:10,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:10,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:10,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:10,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:10,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:10,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:10,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:10,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:30:10,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917679519] [2021-06-11 14:30:10,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:30:10,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 14:30:10,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863118069] [2021-06-11 14:30:10,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 14:30:10,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:30:10,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 14:30:10,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 14:30:10,594 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 158 [2021-06-11 14:30:10,594 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 76 transitions, 349 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) [2021-06-11 14:30:10,594 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:30:10,594 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 158 [2021-06-11 14:30:10,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:30:10,787 INFO L129 PetriNetUnfolder]: 730/2249 cut-off events. [2021-06-11 14:30:10,787 INFO L130 PetriNetUnfolder]: For 1604/1663 co-relation queries the response was YES. [2021-06-11 14:30:10,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4558 conditions, 2249 events. 730/2249 cut-off events. For 1604/1663 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 20895 event pairs, 75 based on Foata normal form. 8/2139 useless extension candidates. Maximal degree in co-relation 3219. Up to 410 conditions per place. [2021-06-11 14:30:10,803 INFO L132 encePairwiseOnDemand]: 149/158 looper letters, 53 selfloop transitions, 35 changer transitions 0/127 dead transitions. [2021-06-11 14:30:10,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 127 transitions, 774 flow [2021-06-11 14:30:10,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 14:30:10,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 14:30:10,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1036 transitions. [2021-06-11 14:30:10,805 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.819620253164557 [2021-06-11 14:30:10,805 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1036 transitions. [2021-06-11 14:30:10,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1036 transitions. [2021-06-11 14:30:10,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:30:10,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1036 transitions. [2021-06-11 14:30:10,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 129.5) internal successors, (1036), 8 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:10,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 158.0) internal successors, (1422), 9 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:10,810 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 158.0) internal successors, (1422), 9 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:10,810 INFO L185 Difference]: Start difference. First operand has 66 places, 76 transitions, 349 flow. Second operand 8 states and 1036 transitions. [2021-06-11 14:30:10,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 127 transitions, 774 flow [2021-06-11 14:30:10,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 127 transitions, 762 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 14:30:10,816 INFO L241 Difference]: Finished difference. Result has 76 places, 104 transitions, 639 flow [2021-06-11 14:30:10,816 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=639, PETRI_PLACES=76, PETRI_TRANSITIONS=104} [2021-06-11 14:30:10,816 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 24 predicate places. [2021-06-11 14:30:10,816 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:30:10,816 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 104 transitions, 639 flow [2021-06-11 14:30:10,816 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 104 transitions, 639 flow [2021-06-11 14:30:10,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 104 transitions, 639 flow [2021-06-11 14:30:10,937 INFO L129 PetriNetUnfolder]: 586/1867 cut-off events. [2021-06-11 14:30:10,937 INFO L130 PetriNetUnfolder]: For 1490/1574 co-relation queries the response was YES. [2021-06-11 14:30:10,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3491 conditions, 1867 events. 586/1867 cut-off events. For 1490/1574 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 17627 event pairs, 0 based on Foata normal form. 12/1780 useless extension candidates. Maximal degree in co-relation 2859. Up to 386 conditions per place. [2021-06-11 14:30:10,956 INFO L151 LiptonReduction]: Number of co-enabled transitions 2506 [2021-06-11 14:30:10,970 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 14:30:10,970 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:30:10,970 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 154 [2021-06-11 14:30:10,971 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 104 transitions, 639 flow [2021-06-11 14:30:10,971 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) [2021-06-11 14:30:10,971 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:30:10,971 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:30:10,971 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 14:30:10,971 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]=== [2021-06-11 14:30:10,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:30:10,972 INFO L82 PathProgramCache]: Analyzing trace with hash 537646858, now seen corresponding path program 1 times [2021-06-11 14:30:10,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:30:10,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65043219] [2021-06-11 14:30:10,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:30:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:30:11,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:11,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:11,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:11,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:11,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:11,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:11,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:11,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:30:11,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65043219] [2021-06-11 14:30:11,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:30:11,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 14:30:11,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816099019] [2021-06-11 14:30:11,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 14:30:11,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:30:11,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 14:30:11,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 14:30:11,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 158 [2021-06-11 14:30:11,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 104 transitions, 639 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) [2021-06-11 14:30:11,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:30:11,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 158 [2021-06-11 14:30:11,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:30:11,241 INFO L129 PetriNetUnfolder]: 731/2288 cut-off events. [2021-06-11 14:30:11,241 INFO L130 PetriNetUnfolder]: For 2610/2700 co-relation queries the response was YES. [2021-06-11 14:30:11,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5114 conditions, 2288 events. 731/2288 cut-off events. For 2610/2700 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 21503 event pairs, 55 based on Foata normal form. 52/2237 useless extension candidates. Maximal degree in co-relation 4325. Up to 426 conditions per place. [2021-06-11 14:30:11,258 INFO L132 encePairwiseOnDemand]: 149/158 looper letters, 54 selfloop transitions, 47 changer transitions 0/139 dead transitions. [2021-06-11 14:30:11,258 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 139 transitions, 1062 flow [2021-06-11 14:30:11,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 14:30:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 14:30:11,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1031 transitions. [2021-06-11 14:30:11,261 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8156645569620253 [2021-06-11 14:30:11,261 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1031 transitions. [2021-06-11 14:30:11,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1031 transitions. [2021-06-11 14:30:11,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:30:11,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1031 transitions. [2021-06-11 14:30:11,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 128.875) internal successors, (1031), 8 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:11,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 158.0) internal successors, (1422), 9 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:11,265 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 158.0) internal successors, (1422), 9 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:11,265 INFO L185 Difference]: Start difference. First operand has 76 places, 104 transitions, 639 flow. Second operand 8 states and 1031 transitions. [2021-06-11 14:30:11,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 139 transitions, 1062 flow [2021-06-11 14:30:11,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 139 transitions, 1054 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-06-11 14:30:11,276 INFO L241 Difference]: Finished difference. Result has 86 places, 117 transitions, 874 flow [2021-06-11 14:30:11,277 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=874, PETRI_PLACES=86, PETRI_TRANSITIONS=117} [2021-06-11 14:30:11,277 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 34 predicate places. [2021-06-11 14:30:11,277 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:30:11,277 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 117 transitions, 874 flow [2021-06-11 14:30:11,277 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 117 transitions, 874 flow [2021-06-11 14:30:11,278 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 117 transitions, 874 flow [2021-06-11 14:30:11,384 INFO L129 PetriNetUnfolder]: 560/1845 cut-off events. [2021-06-11 14:30:11,384 INFO L130 PetriNetUnfolder]: For 2168/2251 co-relation queries the response was YES. [2021-06-11 14:30:11,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3726 conditions, 1845 events. 560/1845 cut-off events. For 2168/2251 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 17622 event pairs, 0 based on Foata normal form. 16/1764 useless extension candidates. Maximal degree in co-relation 3041. Up to 386 conditions per place. [2021-06-11 14:30:11,407 INFO L151 LiptonReduction]: Number of co-enabled transitions 2754 [2021-06-11 14:30:11,424 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 14:30:11,425 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:30:11,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 148 [2021-06-11 14:30:11,426 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 117 transitions, 874 flow [2021-06-11 14:30:11,427 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) [2021-06-11 14:30:11,427 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:30:11,427 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:30:11,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 14:30:11,427 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]=== [2021-06-11 14:30:11,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:30:11,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1952301233, now seen corresponding path program 1 times [2021-06-11 14:30:11,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:30:11,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882653421] [2021-06-11 14:30:11,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:30:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:30:11,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:11,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:11,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:11,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:11,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:11,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:11,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:11,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:30:11,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882653421] [2021-06-11 14:30:11,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:30:11,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 14:30:11,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147131193] [2021-06-11 14:30:11,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 14:30:11,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:30:11,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 14:30:11,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 14:30:11,463 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 158 [2021-06-11 14:30:11,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 117 transitions, 874 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) [2021-06-11 14:30:11,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:30:11,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 158 [2021-06-11 14:30:11,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:30:11,712 INFO L129 PetriNetUnfolder]: 741/2346 cut-off events. [2021-06-11 14:30:11,712 INFO L130 PetriNetUnfolder]: For 3538/3611 co-relation queries the response was YES. [2021-06-11 14:30:11,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5490 conditions, 2346 events. 741/2346 cut-off events. For 3538/3611 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 22105 event pairs, 22 based on Foata normal form. 24/2264 useless extension candidates. Maximal degree in co-relation 4705. Up to 438 conditions per place. [2021-06-11 14:30:11,732 INFO L132 encePairwiseOnDemand]: 149/158 looper letters, 54 selfloop transitions, 56 changer transitions 1/149 dead transitions. [2021-06-11 14:30:11,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 149 transitions, 1340 flow [2021-06-11 14:30:11,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 14:30:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 14:30:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1030 transitions. [2021-06-11 14:30:11,735 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.814873417721519 [2021-06-11 14:30:11,735 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1030 transitions. [2021-06-11 14:30:11,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1030 transitions. [2021-06-11 14:30:11,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:30:11,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1030 transitions. [2021-06-11 14:30:11,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 128.75) internal successors, (1030), 8 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:11,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 158.0) internal successors, (1422), 9 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:11,740 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 158.0) internal successors, (1422), 9 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:11,740 INFO L185 Difference]: Start difference. First operand has 86 places, 117 transitions, 874 flow. Second operand 8 states and 1030 transitions. [2021-06-11 14:30:11,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 149 transitions, 1340 flow [2021-06-11 14:30:11,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 149 transitions, 1330 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-06-11 14:30:11,753 INFO L241 Difference]: Finished difference. Result has 95 places, 130 transitions, 1154 flow [2021-06-11 14:30:11,753 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=865, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1154, PETRI_PLACES=95, PETRI_TRANSITIONS=130} [2021-06-11 14:30:11,753 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 43 predicate places. [2021-06-11 14:30:11,753 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:30:11,754 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 130 transitions, 1154 flow [2021-06-11 14:30:11,754 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 130 transitions, 1154 flow [2021-06-11 14:30:11,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 130 transitions, 1154 flow [2021-06-11 14:30:11,876 INFO L129 PetriNetUnfolder]: 553/1866 cut-off events. [2021-06-11 14:30:11,876 INFO L130 PetriNetUnfolder]: For 3075/3148 co-relation queries the response was YES. [2021-06-11 14:30:11,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4011 conditions, 1866 events. 553/1866 cut-off events. For 3075/3148 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 18022 event pairs, 0 based on Foata normal form. 8/1789 useless extension candidates. Maximal degree in co-relation 3497. Up to 396 conditions per place. [2021-06-11 14:30:11,897 INFO L151 LiptonReduction]: Number of co-enabled transitions 3000 [2021-06-11 14:30:11,913 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 14:30:11,913 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:30:11,913 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 160 [2021-06-11 14:30:11,914 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 130 transitions, 1154 flow [2021-06-11 14:30:11,914 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) [2021-06-11 14:30:11,914 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:30:11,914 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] [2021-06-11 14:30:11,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 14:30:11,915 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]=== [2021-06-11 14:30:11,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:30:11,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1947772752, now seen corresponding path program 1 times [2021-06-11 14:30:11,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:30:11,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065077075] [2021-06-11 14:30:11,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:30:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:30:11,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:11,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:11,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:11,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:11,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:11,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:11,965 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-06-11 14:30:11,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 14:30:11,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:11,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:30:11,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065077075] [2021-06-11 14:30:11,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:30:11,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 14:30:11,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373118863] [2021-06-11 14:30:11,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 14:30:11,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:30:11,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 14:30:11,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 14:30:11,973 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 158 [2021-06-11 14:30:11,973 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 130 transitions, 1154 flow. Second operand has 6 states, 6 states have (on average 123.83333333333333) internal successors, (743), 6 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:11,973 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:30:11,973 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 158 [2021-06-11 14:30:11,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:30:12,160 INFO L129 PetriNetUnfolder]: 616/2193 cut-off events. [2021-06-11 14:30:12,160 INFO L130 PetriNetUnfolder]: For 2564/2699 co-relation queries the response was YES. [2021-06-11 14:30:12,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4586 conditions, 2193 events. 616/2193 cut-off events. For 2564/2699 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 22270 event pairs, 0 based on Foata normal form. 90/2183 useless extension candidates. Maximal degree in co-relation 3657. Up to 484 conditions per place. [2021-06-11 14:30:12,173 INFO L132 encePairwiseOnDemand]: 149/158 looper letters, 4 selfloop transitions, 17 changer transitions 18/132 dead transitions. [2021-06-11 14:30:12,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 132 transitions, 1134 flow [2021-06-11 14:30:12,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 14:30:12,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 14:30:12,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 890 transitions. [2021-06-11 14:30:12,175 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8047016274864376 [2021-06-11 14:30:12,175 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 890 transitions. [2021-06-11 14:30:12,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 890 transitions. [2021-06-11 14:30:12,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:30:12,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 890 transitions. [2021-06-11 14:30:12,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 127.14285714285714) internal successors, (890), 7 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:12,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 158.0) internal successors, (1264), 8 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:12,179 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 158.0) internal successors, (1264), 8 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:12,179 INFO L185 Difference]: Start difference. First operand has 95 places, 130 transitions, 1154 flow. Second operand 7 states and 890 transitions. [2021-06-11 14:30:12,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 132 transitions, 1134 flow [2021-06-11 14:30:12,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 132 transitions, 1125 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-06-11 14:30:12,191 INFO L241 Difference]: Finished difference. Result has 101 places, 114 transitions, 955 flow [2021-06-11 14:30:12,191 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=1025, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=955, PETRI_PLACES=101, PETRI_TRANSITIONS=114} [2021-06-11 14:30:12,191 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 49 predicate places. [2021-06-11 14:30:12,191 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:30:12,191 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 114 transitions, 955 flow [2021-06-11 14:30:12,191 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 114 transitions, 955 flow [2021-06-11 14:30:12,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 114 transitions, 955 flow [2021-06-11 14:30:12,289 INFO L129 PetriNetUnfolder]: 501/1725 cut-off events. [2021-06-11 14:30:12,289 INFO L130 PetriNetUnfolder]: For 1802/1854 co-relation queries the response was YES. [2021-06-11 14:30:12,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3445 conditions, 1725 events. 501/1725 cut-off events. For 1802/1854 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 16811 event pairs, 0 based on Foata normal form. 5/1636 useless extension candidates. Maximal degree in co-relation 3033. Up to 396 conditions per place. [2021-06-11 14:30:12,309 INFO L151 LiptonReduction]: Number of co-enabled transitions 2576 [2021-06-11 14:30:12,314 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 14:30:12,314 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:30:12,314 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 123 [2021-06-11 14:30:12,315 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 114 transitions, 955 flow [2021-06-11 14:30:12,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 123.83333333333333) internal successors, (743), 6 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:12,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:30:12,316 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] [2021-06-11 14:30:12,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 14:30:12,316 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]=== [2021-06-11 14:30:12,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:30:12,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1589459616, now seen corresponding path program 2 times [2021-06-11 14:30:12,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:30:12,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363383744] [2021-06-11 14:30:12,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:30:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:30:12,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:12,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:12,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:12,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:12,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:12,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:30:12,345 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-06-11 14:30:12,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 14:30:12,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:30:12,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:30:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:30:12,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363383744] [2021-06-11 14:30:12,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:30:12,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 14:30:12,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967026441] [2021-06-11 14:30:12,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 14:30:12,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:30:12,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 14:30:12,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 14:30:12,352 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 158 [2021-06-11 14:30:12,353 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 114 transitions, 955 flow. Second operand has 6 states, 6 states have (on average 123.83333333333333) internal successors, (743), 6 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:12,353 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:30:12,353 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 158 [2021-06-11 14:30:12,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:30:12,458 INFO L129 PetriNetUnfolder]: 130/567 cut-off events. [2021-06-11 14:30:12,459 INFO L130 PetriNetUnfolder]: For 993/1048 co-relation queries the response was YES. [2021-06-11 14:30:12,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1420 conditions, 567 events. 130/567 cut-off events. For 993/1048 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4113 event pairs, 0 based on Foata normal form. 16/551 useless extension candidates. Maximal degree in co-relation 1213. Up to 108 conditions per place. [2021-06-11 14:30:12,461 INFO L132 encePairwiseOnDemand]: 149/158 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2021-06-11 14:30:12,461 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 72 transitions, 535 flow [2021-06-11 14:30:12,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 14:30:12,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 14:30:12,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 753 transitions. [2021-06-11 14:30:12,478 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7943037974683544 [2021-06-11 14:30:12,478 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 753 transitions. [2021-06-11 14:30:12,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 753 transitions. [2021-06-11 14:30:12,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:30:12,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 753 transitions. [2021-06-11 14:30:12,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 125.5) internal successors, (753), 6 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:12,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:12,481 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:12,482 INFO L185 Difference]: Start difference. First operand has 100 places, 114 transitions, 955 flow. Second operand 6 states and 753 transitions. [2021-06-11 14:30:12,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 72 transitions, 535 flow [2021-06-11 14:30:12,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 72 transitions, 367 flow, removed 16 selfloop flow, removed 28 redundant places. [2021-06-11 14:30:12,485 INFO L241 Difference]: Finished difference. Result has 72 places, 0 transitions, 0 flow [2021-06-11 14:30:12,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=72, PETRI_TRANSITIONS=0} [2021-06-11 14:30:12,485 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 20 predicate places. [2021-06-11 14:30:12,485 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:30:12,485 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 0 transitions, 0 flow [2021-06-11 14:30:12,486 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 0 transitions, 0 flow [2021-06-11 14:30:12,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-06-11 14:30:12,486 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 14:30:12,486 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 14:30:12,486 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. [2021-06-11 14:30:12,486 INFO L151 LiptonReduction]: Number of co-enabled transitions 0 [2021-06-11 14:30:12,486 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 14:30:12,486 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:30:12,486 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-06-11 14:30:12,487 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-06-11 14:30:12,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 123.83333333333333) internal successors, (743), 6 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:30:12,487 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 14:30:12,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 02:30:12 BasicIcfg [2021-06-11 14:30:12,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 14:30:12,490 INFO L168 Benchmark]: Toolchain (without parser) took 7617.76 ms. Allocated memory was 392.2 MB in the beginning and 660.6 MB in the end (delta: 268.4 MB). Free memory was 354.3 MB in the beginning and 617.5 MB in the end (delta: -263.2 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-11 14:30:12,490 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 392.2 MB. Free memory is still 372.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 14:30:12,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.33 ms. Allocated memory is still 392.2 MB. Free memory was 354.2 MB in the beginning and 354.5 MB in the end (delta: -313.9 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-06-11 14:30:12,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.99 ms. Allocated memory is still 392.2 MB. Free memory was 354.5 MB in the beginning and 352.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 14:30:12,491 INFO L168 Benchmark]: Boogie Preprocessor took 27.70 ms. Allocated memory is still 392.2 MB. Free memory was 352.4 MB in the beginning and 351.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 14:30:12,491 INFO L168 Benchmark]: RCFGBuilder took 417.45 ms. Allocated memory is still 392.2 MB. Free memory was 350.3 MB in the beginning and 317.8 MB in the end (delta: 32.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-06-11 14:30:12,491 INFO L168 Benchmark]: TraceAbstraction took 6697.99 ms. Allocated memory was 392.2 MB in the beginning and 660.6 MB in the end (delta: 268.4 MB). Free memory was 316.7 MB in the beginning and 617.5 MB in the end (delta: -300.8 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 14:30:12,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 392.2 MB. Free memory is still 372.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 419.33 ms. Allocated memory is still 392.2 MB. Free memory was 354.2 MB in the beginning and 354.5 MB in the end (delta: -313.9 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 48.99 ms. Allocated memory is still 392.2 MB. Free memory was 354.5 MB in the beginning and 352.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.70 ms. Allocated memory is still 392.2 MB. Free memory was 352.4 MB in the beginning and 351.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 417.45 ms. Allocated memory is still 392.2 MB. Free memory was 350.3 MB in the beginning and 317.8 MB in the end (delta: 32.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 6697.99 ms. Allocated memory was 392.2 MB in the beginning and 660.6 MB in the end (delta: 268.4 MB). Free memory was 316.7 MB in the beginning and 617.5 MB in the end (delta: -300.8 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3297.3ms, 90 PlacesBefore, 52 PlacesAfterwards, 88 TransitionsBefore, 48 TransitionsAfterwards, 2808 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 50 TotalNumberOfCompositions, 7794 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2852, positive: 2668, positive conditional: 2668, positive unconditional: 0, negative: 184, negative conditional: 184, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2852, positive: 2668, positive conditional: 0, positive unconditional: 2668, negative: 184, negative conditional: 0, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2852, positive: 2668, positive conditional: 0, positive unconditional: 2668, negative: 184, negative conditional: 0, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1537, positive: 1486, positive conditional: 0, positive unconditional: 1486, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1537, positive: 1480, positive conditional: 0, positive unconditional: 1480, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 187, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2852, positive: 1182, positive conditional: 0, positive unconditional: 1182, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 1537, unknown conditional: 0, unknown unconditional: 1537] , Statistics on independence cache: Total cache size (in pairs): 1537, Positive cache size: 1486, Positive conditional cache size: 0, Positive unconditional cache size: 1486, Negative cache size: 51, Negative conditional cache size: 0, Negative unconditional cache size: 51, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 57.2ms, 57 PlacesBefore, 57 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 1990 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1288 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 236, positive: 208, positive conditional: 208, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 236, positive: 208, positive conditional: 25, positive unconditional: 183, negative: 28, negative conditional: 2, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 236, positive: 208, positive conditional: 25, positive unconditional: 183, negative: 28, negative conditional: 2, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 1, negative unconditional: 0, 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: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 236, positive: 203, positive conditional: 23, positive unconditional: 180, negative: 27, negative conditional: 1, negative unconditional: 26, unknown: 6, unknown conditional: 3, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 1543, Positive cache size: 1491, Positive conditional cache size: 2, Positive unconditional cache size: 1489, Negative cache size: 52, Negative conditional cache size: 1, Negative unconditional cache size: 51, Eliminated conditions: 48 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 208.8ms, 63 PlacesBefore, 63 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 2408 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 495 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45, positive: 34, positive conditional: 6, positive unconditional: 28, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 34, positive conditional: 6, positive unconditional: 28, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.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: 45, positive: 34, positive conditional: 6, positive unconditional: 28, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1543, Positive cache size: 1491, Positive conditional cache size: 2, Positive unconditional cache size: 1489, Negative cache size: 52, Negative conditional cache size: 1, Negative unconditional cache size: 51, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.6ms, 66 PlacesBefore, 66 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 1966 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 395 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 37, positive: 26, positive conditional: 2, positive unconditional: 24, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 26, positive conditional: 2, positive unconditional: 24, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.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: 37, positive: 26, positive conditional: 2, positive unconditional: 24, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1543, Positive cache size: 1491, Positive conditional cache size: 2, Positive unconditional cache size: 1489, Negative cache size: 52, Negative conditional cache size: 1, Negative unconditional cache size: 51, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 153.6ms, 76 PlacesBefore, 76 PlacesAfterwards, 104 TransitionsBefore, 104 TransitionsAfterwards, 2506 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: 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): 1543, Positive cache size: 1491, Positive conditional cache size: 2, Positive unconditional cache size: 1489, Negative cache size: 52, Negative conditional cache size: 1, Negative unconditional cache size: 51, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 147.4ms, 86 PlacesBefore, 86 PlacesAfterwards, 117 TransitionsBefore, 117 TransitionsAfterwards, 2754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: 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): 1543, Positive cache size: 1491, Positive conditional cache size: 2, Positive unconditional cache size: 1489, Negative cache size: 52, Negative conditional cache size: 1, Negative unconditional cache size: 51, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 159.4ms, 95 PlacesBefore, 95 PlacesAfterwards, 130 TransitionsBefore, 130 TransitionsAfterwards, 3000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: 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): 1543, Positive cache size: 1491, Positive conditional cache size: 2, Positive unconditional cache size: 1489, Negative cache size: 52, Negative conditional cache size: 1, Negative unconditional cache size: 51, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 122.9ms, 101 PlacesBefore, 100 PlacesAfterwards, 114 TransitionsBefore, 114 TransitionsAfterwards, 2576 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: 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): 1543, Positive cache size: 1491, Positive conditional cache size: 2, Positive unconditional cache size: 1489, Negative cache size: 52, Negative conditional cache size: 1, Negative unconditional cache size: 51, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6ms, 72 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: 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: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: 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): 1543, Positive cache size: 1491, Positive conditional cache size: 2, Positive unconditional cache size: 1489, Negative cache size: 52, Negative conditional cache size: 1, Negative unconditional cache size: 51, Eliminated conditions: 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: 2.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 6565.0ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1727.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3400.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 101 SDtfs, 142 SDslu, 66 SDs, 0 SdLazy, 436 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 215.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 111.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1154occurred 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: 20.1ms SsaConstructionTime, 100.7ms SatisfiabilityAnalysisTime, 256.6ms InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 251 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...