/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/dekker.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 14:28:27,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 14:28:27,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 14:28:27,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 14:28:27,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 14:28:27,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 14:28:27,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 14:28:27,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 14:28:27,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 14:28:27,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 14:28:27,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 14:28:27,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 14:28:27,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 14:28:27,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 14:28:27,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 14:28:27,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 14:28:27,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 14:28:27,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 14:28:27,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 14:28:27,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 14:28:27,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 14:28:27,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 14:28:27,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 14:28:27,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 14:28:27,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-11 14:28:27,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 14:28:27,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 14:28:27,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 14:28:27,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 14:28:27,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 14:28:27,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 14:28:27,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 14:28:27,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 14:28:27,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 14:28:27,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 14:28:27,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 14:28:27,435 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 14:28:27,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 14:28:27,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 14:28:27,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 14:28:27,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 14:28:27,478 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 14:28:27,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 14:28:27,478 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 14:28:27,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 14:28:27,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 14:28:27,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 14:28:27,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 14:28:27,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 14:28:27,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 14:28:27,480 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 14:28:27,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 14:28:27,481 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 14:28:27,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 14:28:27,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 14:28:27,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 14:28:27,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 14:28:27,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 14:28:27,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 14:28:27,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 14:28:27,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 14:28:27,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 14:28:27,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 14:28:27,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 14:28:27,482 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 14:28:27,482 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 14:28:27,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 14:28:27,483 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 14:28:27,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 14:28:27,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 14:28:27,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 14:28:27,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 14:28:27,853 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 14:28:27,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/dekker.i [2021-06-11 14:28:27,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6088810f/bf7a91e222a246b9a04e6cc20afda3bc/FLAG044d1b10f [2021-06-11 14:28:28,501 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 14:28:28,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i [2021-06-11 14:28:28,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6088810f/bf7a91e222a246b9a04e6cc20afda3bc/FLAG044d1b10f [2021-06-11 14:28:28,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6088810f/bf7a91e222a246b9a04e6cc20afda3bc [2021-06-11 14:28:28,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 14:28:28,801 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 14:28:28,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 14:28:28,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 14:28:28,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 14:28:28,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 02:28:28" (1/1) ... [2021-06-11 14:28:28,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7301fa29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:28:28, skipping insertion in model container [2021-06-11 14:28:28,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 02:28:28" (1/1) ... [2021-06-11 14:28:28,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 14:28:28,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 14:28:29,021 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-11 14:28:29,190 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/dekker.i[31403,31416] [2021-06-11 14:28:29,206 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/dekker.i[32483,32496] [2021-06-11 14:28:29,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 14:28:29,225 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 14:28:29,255 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-11 14:28:29,271 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/dekker.i[31403,31416] [2021-06-11 14:28:29,274 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/dekker.i[32483,32496] [2021-06-11 14:28:29,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 14:28:29,333 INFO L208 MainTranslator]: Completed translation [2021-06-11 14:28:29,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:28:29 WrapperNode [2021-06-11 14:28:29,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 14:28:29,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 14:28:29,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 14:28:29,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 14:28:29,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:28:29" (1/1) ... [2021-06-11 14:28:29,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:28:29" (1/1) ... [2021-06-11 14:28:29,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 14:28:29,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 14:28:29,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 14:28:29,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 14:28:29,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:28:29" (1/1) ... [2021-06-11 14:28:29,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:28:29" (1/1) ... [2021-06-11 14:28:29,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:28:29" (1/1) ... [2021-06-11 14:28:29,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:28:29" (1/1) ... [2021-06-11 14:28:29,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:28:29" (1/1) ... [2021-06-11 14:28:29,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:28:29" (1/1) ... [2021-06-11 14:28:29,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:28:29" (1/1) ... [2021-06-11 14:28:29,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 14:28:29,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 14:28:29,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 14:28:29,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 14:28:29,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:28:29" (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 14:28:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-11 14:28:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-06-11 14:28:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-06-11 14:28:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-11 14:28:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-11 14:28:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 14:28:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 14:28:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 14:28:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 14:28:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 14:28:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 14:28:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 14:28:29,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 14:28:29,510 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 14:28:30,019 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 14:28:30,019 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 14:28:30,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 02:28:30 BoogieIcfgContainer [2021-06-11 14:28:30,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 14:28:30,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 14:28:30,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 14:28:30,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 14:28:30,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 02:28:28" (1/3) ... [2021-06-11 14:28:30,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da0f6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 02:28:30, skipping insertion in model container [2021-06-11 14:28:30,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:28:29" (2/3) ... [2021-06-11 14:28:30,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da0f6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 02:28:30, skipping insertion in model container [2021-06-11 14:28:30,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 02:28:30" (3/3) ... [2021-06-11 14:28:30,032 INFO L111 eAbstractionObserver]: Analyzing ICFG dekker.i [2021-06-11 14:28:30,043 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 14:28:30,048 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 14:28:30,049 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 14:28:30,100 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,100 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,101 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,101 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,102 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,102 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,103 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,103 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,103 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,103 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,103 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,104 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,104 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,104 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,104 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,104 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,105 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,105 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,105 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,106 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,107 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,108 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,109 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,109 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,109 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,133 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,133 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,133 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,134 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,134 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,134 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:28:30,151 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-11 14:28:30,171 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-11 14:28:30,204 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 14:28:30,205 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 14:28:30,205 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 14:28:30,205 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 14:28:30,205 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 14:28:30,205 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 14:28:30,206 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 14:28:30,206 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 14:28:30,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 96 transitions, 214 flow [2021-06-11 14:28:30,285 INFO L129 PetriNetUnfolder]: 14/96 cut-off events. [2021-06-11 14:28:30,286 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 14:28:30,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 96 events. 14/96 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 160 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 63. Up to 3 conditions per place. [2021-06-11 14:28:30,302 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 96 transitions, 214 flow [2021-06-11 14:28:30,308 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 84 transitions, 180 flow [2021-06-11 14:28:30,312 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:28:30,326 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 84 transitions, 180 flow [2021-06-11 14:28:30,330 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 84 transitions, 180 flow [2021-06-11 14:28:30,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 84 transitions, 180 flow [2021-06-11 14:28:30,347 INFO L129 PetriNetUnfolder]: 13/86 cut-off events. [2021-06-11 14:28:30,347 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 14:28:30,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 86 events. 13/86 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 154 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-06-11 14:28:30,352 INFO L151 LiptonReduction]: Number of co-enabled transitions 2028 [2021-06-11 14:28:30,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:30,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:30,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:30,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:30,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:30,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:30,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:30,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:30,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:30,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:30,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:30,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:30,711 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-11 14:28:30,722 INFO L147 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size 1 [2021-06-11 14:28:30,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:30,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:30,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:30,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:30,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:30,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:30,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:30,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 14:28:30,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 14:28:30,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:30,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:30,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:30,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:30,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:30,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:31,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:31,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:31,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:31,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:31,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:31,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:31,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:31,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:31,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:31,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:31,542 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.2 percent of original size [2021-06-11 14:28:31,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:31,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 14:28:31,552 INFO L147 QuantifierPusher]: treesize reduction 15, result has 48.3 percent of original size 14 [2021-06-11 14:28:31,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:31,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 14:28:31,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 14:28:31,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:31,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:31,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 14:28:31,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 14:28:31,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:31,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:32,089 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.4 percent of original size [2021-06-11 14:28:32,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:32,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:32,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 14:28:32,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 14:28:32,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:32,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:32,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 14:28:32,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 14:28:32,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:32,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 14:28:32,112 INFO L147 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size 29 [2021-06-11 14:28:32,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:32,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 14:28:32,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 14:28:32,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 14:28:32,499 INFO L142 QuantifierPusher]: treesize reduction 21, result has 75.6 percent of original size [2021-06-11 14:28:32,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:32,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:32,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 14:28:32,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 14:28:32,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:32,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:32,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 14:28:32,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 14:28:32,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:32,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 14:28:32,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 14:28:32,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:32,674 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-06-11 14:28:32,838 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2021-06-11 14:28:32,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:32,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 14:28:33,101 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2021-06-11 14:28:33,392 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2021-06-11 14:28:33,479 INFO L142 QuantifierPusher]: treesize reduction 21, result has 84.9 percent of original size [2021-06-11 14:28:33,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:33,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:33,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:33,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:33,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 14:28:33,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 14:28:33,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:33,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:33,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:33,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:33,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 14:28:33,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 14:28:33,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:33,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:33,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:33,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:33,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 14:28:33,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 14:28:33,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:28:33,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:33,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 14:28:33,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 14:28:33,533 INFO L163 LiptonReduction]: Checked pairs total: 5130 [2021-06-11 14:28:33,533 INFO L165 LiptonReduction]: Total number of compositions: 64 [2021-06-11 14:28:33,536 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3225 [2021-06-11 14:28:33,545 INFO L129 PetriNetUnfolder]: 2/16 cut-off events. [2021-06-11 14:28:33,545 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-11 14:28:33,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:28:33,546 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-06-11 14:28:33,547 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 14:28:33,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:28:33,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1206200002, now seen corresponding path program 1 times [2021-06-11 14:28:33,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:28:33,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050891582] [2021-06-11 14:28:33,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:28:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:28:33,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:33,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:33,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:33,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:28:33,733 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 14:28:33,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050891582] [2021-06-11 14:28:33,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:28:33,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 14:28:33,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653299168] [2021-06-11 14:28:33,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 14:28:33,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:28:33,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 14:28:33,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 14:28:33,759 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 160 [2021-06-11 14:28:33,761 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 37 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 14:28:33,762 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:28:33,762 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 160 [2021-06-11 14:28:33,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:28:33,823 INFO L129 PetriNetUnfolder]: 9/74 cut-off events. [2021-06-11 14:28:33,823 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-06-11 14:28:33,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 74 events. 9/74 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 310 event pairs, 1 based on Foata normal form. 4/65 useless extension candidates. Maximal degree in co-relation 92. Up to 14 conditions per place. [2021-06-11 14:28:33,827 INFO L132 encePairwiseOnDemand]: 153/160 looper letters, 5 selfloop transitions, 5 changer transitions 0/39 dead transitions. [2021-06-11 14:28:33,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 110 flow [2021-06-11 14:28:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 14:28:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 14:28:33,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2021-06-11 14:28:33,844 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7708333333333334 [2021-06-11 14:28:33,845 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 370 transitions. [2021-06-11 14:28:33,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 370 transitions. [2021-06-11 14:28:33,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:28:33,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 370 transitions. [2021-06-11 14:28:33,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 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 14:28:33,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 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 14:28:33,865 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 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 14:28:33,867 INFO L185 Difference]: Start difference. First operand has 36 places, 37 transitions, 86 flow. Second operand 3 states and 370 transitions. [2021-06-11 14:28:33,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 110 flow [2021-06-11 14:28:33,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 39 transitions, 102 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 14:28:33,873 INFO L241 Difference]: Finished difference. Result has 36 places, 38 transitions, 106 flow [2021-06-11 14:28:33,875 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=36, PETRI_TRANSITIONS=38} [2021-06-11 14:28:33,876 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 0 predicate places. [2021-06-11 14:28:33,876 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:28:33,876 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 38 transitions, 106 flow [2021-06-11 14:28:33,877 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 38 transitions, 106 flow [2021-06-11 14:28:33,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 38 transitions, 106 flow [2021-06-11 14:28:33,892 INFO L129 PetriNetUnfolder]: 6/64 cut-off events. [2021-06-11 14:28:33,892 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-06-11 14:28:33,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 64 events. 6/64 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 264 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 71. Up to 9 conditions per place. [2021-06-11 14:28:33,894 INFO L151 LiptonReduction]: Number of co-enabled transitions 586 [2021-06-11 14:28:33,911 INFO L163 LiptonReduction]: Checked pairs total: 422 [2021-06-11 14:28:33,911 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:28:33,911 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-06-11 14:28:33,916 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 38 transitions, 106 flow [2021-06-11 14:28:33,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 14:28:33,916 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:28:33,917 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:28:33,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 14:28:33,917 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 14:28:33,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:28:33,926 INFO L82 PathProgramCache]: Analyzing trace with hash -151717481, now seen corresponding path program 1 times [2021-06-11 14:28:33,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:28:33,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249304652] [2021-06-11 14:28:33,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:28:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:28:33,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:33,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:33,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:33,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 14:28:33,984 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 14:28:33,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249304652] [2021-06-11 14:28:33,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:28:33,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 14:28:33,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175850929] [2021-06-11 14:28:33,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 14:28:33,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:28:33,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 14:28:33,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 14:28:33,988 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 160 [2021-06-11 14:28:33,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 38 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 14:28:33,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:28:33,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 160 [2021-06-11 14:28:33,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:28:34,020 INFO L129 PetriNetUnfolder]: 6/63 cut-off events. [2021-06-11 14:28:34,020 INFO L130 PetriNetUnfolder]: For 10/16 co-relation queries the response was YES. [2021-06-11 14:28:34,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 63 events. 6/63 cut-off events. For 10/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 260 event pairs, 0 based on Foata normal form. 4/55 useless extension candidates. Maximal degree in co-relation 86. Up to 10 conditions per place. [2021-06-11 14:28:34,023 INFO L132 encePairwiseOnDemand]: 155/160 looper letters, 5 selfloop transitions, 4 changer transitions 0/38 dead transitions. [2021-06-11 14:28:34,023 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 38 transitions, 124 flow [2021-06-11 14:28:34,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 14:28:34,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 14:28:34,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-06-11 14:28:34,026 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7645833333333333 [2021-06-11 14:28:34,026 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-06-11 14:28:34,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-06-11 14:28:34,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:28:34,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-06-11 14:28:34,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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 14:28:34,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 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 14:28:34,035 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 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 14:28:34,036 INFO L185 Difference]: Start difference. First operand has 36 places, 38 transitions, 106 flow. Second operand 3 states and 367 transitions. [2021-06-11 14:28:34,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 38 transitions, 124 flow [2021-06-11 14:28:34,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 38 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 14:28:34,042 INFO L241 Difference]: Finished difference. Result has 37 places, 38 transitions, 110 flow [2021-06-11 14:28:34,042 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=37, PETRI_TRANSITIONS=38} [2021-06-11 14:28:34,042 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 1 predicate places. [2021-06-11 14:28:34,042 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:28:34,043 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 38 transitions, 110 flow [2021-06-11 14:28:34,043 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 38 transitions, 110 flow [2021-06-11 14:28:34,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 38 transitions, 110 flow [2021-06-11 14:28:34,048 INFO L129 PetriNetUnfolder]: 6/63 cut-off events. [2021-06-11 14:28:34,048 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-06-11 14:28:34,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 63 events. 6/63 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 257 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 76. Up to 9 conditions per place. [2021-06-11 14:28:34,052 INFO L151 LiptonReduction]: Number of co-enabled transitions 562 [2021-06-11 14:28:34,057 INFO L163 LiptonReduction]: Checked pairs total: 412 [2021-06-11 14:28:34,057 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:28:34,057 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-06-11 14:28:34,058 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 38 transitions, 110 flow [2021-06-11 14:28:34,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 14:28:34,059 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:28:34,059 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:28:34,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 14:28:34,059 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 14:28:34,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:28:34,060 INFO L82 PathProgramCache]: Analyzing trace with hash 158855490, now seen corresponding path program 1 times [2021-06-11 14:28:34,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:28:34,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638399558] [2021-06-11 14:28:34,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:28:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:28:34,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:34,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:34,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:34,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:28:34,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:34,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 14:28:34,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:34,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:34,140 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 14:28:34,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638399558] [2021-06-11 14:28:34,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:28:34,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 14:28:34,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641948044] [2021-06-11 14:28:34,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 14:28:34,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:28:34,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 14:28:34,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 14:28:34,144 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 160 [2021-06-11 14:28:34,145 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 38 transitions, 110 flow. Second operand has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 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 14:28:34,145 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:28:34,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 160 [2021-06-11 14:28:34,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:28:34,219 INFO L129 PetriNetUnfolder]: 60/199 cut-off events. [2021-06-11 14:28:34,219 INFO L130 PetriNetUnfolder]: For 72/74 co-relation queries the response was YES. [2021-06-11 14:28:34,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 199 events. 60/199 cut-off events. For 72/74 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 994 event pairs, 9 based on Foata normal form. 6/175 useless extension candidates. Maximal degree in co-relation 276. Up to 41 conditions per place. [2021-06-11 14:28:34,223 INFO L132 encePairwiseOnDemand]: 151/160 looper letters, 16 selfloop transitions, 12 changer transitions 0/54 dead transitions. [2021-06-11 14:28:34,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 54 transitions, 209 flow [2021-06-11 14:28:34,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 14:28:34,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 14:28:34,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 612 transitions. [2021-06-11 14:28:34,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.765 [2021-06-11 14:28:34,227 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 612 transitions. [2021-06-11 14:28:34,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 612 transitions. [2021-06-11 14:28:34,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:28:34,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 612 transitions. [2021-06-11 14:28:34,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 122.4) internal successors, (612), 5 states have internal predecessors, (612), 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 14:28:34,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 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 14:28:34,232 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 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 14:28:34,233 INFO L185 Difference]: Start difference. First operand has 37 places, 38 transitions, 110 flow. Second operand 5 states and 612 transitions. [2021-06-11 14:28:34,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 54 transitions, 209 flow [2021-06-11 14:28:34,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 54 transitions, 203 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 14:28:34,237 INFO L241 Difference]: Finished difference. Result has 43 places, 46 transitions, 182 flow [2021-06-11 14:28:34,237 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=182, PETRI_PLACES=43, PETRI_TRANSITIONS=46} [2021-06-11 14:28:34,238 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 7 predicate places. [2021-06-11 14:28:34,238 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:28:34,238 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 46 transitions, 182 flow [2021-06-11 14:28:34,241 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 46 transitions, 182 flow [2021-06-11 14:28:34,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 46 transitions, 182 flow [2021-06-11 14:28:34,254 INFO L129 PetriNetUnfolder]: 30/115 cut-off events. [2021-06-11 14:28:34,254 INFO L130 PetriNetUnfolder]: For 42/52 co-relation queries the response was YES. [2021-06-11 14:28:34,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 115 events. 30/115 cut-off events. For 42/52 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 497 event pairs, 2 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 199. Up to 23 conditions per place. [2021-06-11 14:28:34,256 INFO L151 LiptonReduction]: Number of co-enabled transitions 628 [2021-06-11 14:28:34,263 INFO L163 LiptonReduction]: Checked pairs total: 378 [2021-06-11 14:28:34,263 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:28:34,263 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-06-11 14:28:34,272 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 46 transitions, 182 flow [2021-06-11 14:28:34,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 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 14:28:34,273 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:28:34,273 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:28:34,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 14:28:34,273 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 14:28:34,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:28:34,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1521633895, now seen corresponding path program 1 times [2021-06-11 14:28:34,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:28:34,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119004245] [2021-06-11 14:28:34,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:28:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:28:34,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:34,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:34,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:34,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:28:34,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:34,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 14:28:34,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:28:34,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:28:34,337 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 14:28:34,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119004245] [2021-06-11 14:28:34,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:28:34,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 14:28:34,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805438610] [2021-06-11 14:28:34,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 14:28:34,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:28:34,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 14:28:34,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 14:28:34,341 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 160 [2021-06-11 14:28:34,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 46 transitions, 182 flow. Second operand has 4 states, 4 states have (on average 115.25) internal successors, (461), 4 states have internal predecessors, (461), 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 14:28:34,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:28:34,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 160 [2021-06-11 14:28:34,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:28:34,420 INFO L129 PetriNetUnfolder]: 115/273 cut-off events. [2021-06-11 14:28:34,420 INFO L130 PetriNetUnfolder]: For 84/90 co-relation queries the response was YES. [2021-06-11 14:28:34,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 577 conditions, 273 events. 115/273 cut-off events. For 84/90 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1321 event pairs, 9 based on Foata normal form. 9/253 useless extension candidates. Maximal degree in co-relation 539. Up to 49 conditions per place. [2021-06-11 14:28:34,422 INFO L132 encePairwiseOnDemand]: 152/160 looper letters, 0 selfloop transitions, 0 changer transitions 59/59 dead transitions. [2021-06-11 14:28:34,422 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 59 transitions, 266 flow [2021-06-11 14:28:34,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 14:28:34,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 14:28:34,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 601 transitions. [2021-06-11 14:28:34,425 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.75125 [2021-06-11 14:28:34,425 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 601 transitions. [2021-06-11 14:28:34,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 601 transitions. [2021-06-11 14:28:34,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:28:34,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 601 transitions. [2021-06-11 14:28:34,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 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 14:28:34,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 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 14:28:34,431 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 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 14:28:34,431 INFO L185 Difference]: Start difference. First operand has 43 places, 46 transitions, 182 flow. Second operand 5 states and 601 transitions. [2021-06-11 14:28:34,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 59 transitions, 266 flow [2021-06-11 14:28:34,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 59 transitions, 257 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 14:28:34,438 INFO L241 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow [2021-06-11 14:28:34,438 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0} [2021-06-11 14:28:34,438 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 7 predicate places. [2021-06-11 14:28:34,439 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:28:34,440 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 0 transitions, 0 flow [2021-06-11 14:28:34,442 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 0 transitions, 0 flow [2021-06-11 14:28:34,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-06-11 14:28:34,442 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 14:28:34,442 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 14:28:34,442 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 14:28:34,442 INFO L151 LiptonReduction]: Number of co-enabled transitions 0 [2021-06-11 14:28:34,443 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 14:28:34,443 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:28:34,443 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4 [2021-06-11 14:28:34,444 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-06-11 14:28:34,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 115.25) internal successors, (461), 4 states have internal predecessors, (461), 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 14:28:34,444 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 14:28:34,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 02:28:34 BasicIcfg [2021-06-11 14:28:34,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 14:28:34,451 INFO L168 Benchmark]: Toolchain (without parser) took 5649.68 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 334.5 MB in the beginning and 330.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 81.5 MB. Max. memory is 16.0 GB. [2021-06-11 14:28:34,451 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 371.2 MB. Free memory is still 352.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 14:28:34,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.11 ms. Allocated memory is still 371.2 MB. Free memory was 334.3 MB in the beginning and 332.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.0 GB. [2021-06-11 14:28:34,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.54 ms. Allocated memory is still 371.2 MB. Free memory was 332.7 MB in the beginning and 331.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 14:28:34,452 INFO L168 Benchmark]: Boogie Preprocessor took 29.60 ms. Allocated memory is still 371.2 MB. Free memory was 331.6 MB in the beginning and 329.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 14:28:34,452 INFO L168 Benchmark]: RCFGBuilder took 621.85 ms. Allocated memory is still 371.2 MB. Free memory was 329.5 MB in the beginning and 305.5 MB in the end (delta: 24.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-11 14:28:34,452 INFO L168 Benchmark]: TraceAbstraction took 4424.41 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 305.3 MB in the beginning and 330.3 MB in the end (delta: -25.0 MB). Peak memory consumption was 52.6 MB. Max. memory is 16.0 GB. [2021-06-11 14:28:34,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 371.2 MB. Free memory is still 352.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 529.11 ms. Allocated memory is still 371.2 MB. Free memory was 334.3 MB in the beginning and 332.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 35.54 ms. Allocated memory is still 371.2 MB. Free memory was 332.7 MB in the beginning and 331.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.60 ms. Allocated memory is still 371.2 MB. Free memory was 331.6 MB in the beginning and 329.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 621.85 ms. Allocated memory is still 371.2 MB. Free memory was 329.5 MB in the beginning and 305.5 MB in the end (delta: 24.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4424.41 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 305.3 MB in the beginning and 330.3 MB in the end (delta: -25.0 MB). Peak memory consumption was 52.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3203.8ms, 77 PlacesBefore, 36 PlacesAfterwards, 84 TransitionsBefore, 37 TransitionsAfterwards, 2028 CoEnabledTransitionPairs, 7 FixpointIterations, 22 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 9 ConcurrentYvCompositions, 6 ChoiceCompositions, 64 TotalNumberOfCompositions, 5130 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2375, positive: 2170, positive conditional: 2170, positive unconditional: 0, negative: 205, negative conditional: 205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2375, positive: 2170, positive conditional: 0, positive unconditional: 2170, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2375, positive: 2170, positive conditional: 0, positive unconditional: 2170, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1301, positive: 1256, positive conditional: 0, positive unconditional: 1256, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1301, positive: 1234, positive conditional: 0, positive unconditional: 1234, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 67, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 160, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2375, positive: 914, positive conditional: 0, positive unconditional: 914, negative: 160, negative conditional: 0, negative unconditional: 160, unknown: 1301, unknown conditional: 0, unknown unconditional: 1301] , Statistics on independence cache: Total cache size (in pairs): 1301, Positive cache size: 1256, Positive conditional cache size: 0, Positive unconditional cache size: 1256, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.1ms, 36 PlacesBefore, 36 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 586 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 422 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 136, positive: 112, positive conditional: 0, positive unconditional: 112, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 136, positive: 112, positive conditional: 0, positive unconditional: 112, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 136, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 21, unknown conditional: 0, unknown unconditional: 21] , Statistics on independence cache: Total cache size (in pairs): 1322, Positive cache size: 1273, Positive conditional cache size: 0, Positive unconditional cache size: 1273, Negative cache size: 49, Negative conditional cache size: 0, Negative unconditional cache size: 49, Eliminated conditions: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.3ms, 37 PlacesBefore, 37 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 562 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 412 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122, positive: 98, positive conditional: 98, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 122, positive: 98, positive conditional: 0, positive unconditional: 98, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 122, positive: 98, positive conditional: 0, positive unconditional: 98, negative: 24, negative conditional: 0, negative unconditional: 24, 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: 122, positive: 98, positive conditional: 0, positive unconditional: 98, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1322, Positive cache size: 1273, Positive conditional cache size: 0, Positive unconditional cache size: 1273, Negative cache size: 49, Negative conditional cache size: 0, Negative unconditional cache size: 49, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.2ms, 43 PlacesBefore, 43 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 628 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 378 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 120, positive: 100, positive conditional: 100, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 120, positive: 100, positive conditional: 9, positive unconditional: 91, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 120, positive: 100, positive conditional: 9, positive unconditional: 91, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 6, positive unconditional: 8, 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: 14, positive: 14, positive conditional: 0, positive unconditional: 14, 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: 120, positive: 86, positive conditional: 3, positive unconditional: 83, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 14, unknown conditional: 6, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 1336, Positive cache size: 1287, Positive conditional cache size: 6, Positive unconditional cache size: 1281, Negative cache size: 49, Negative conditional cache size: 0, Negative unconditional cache size: 49, Eliminated conditions: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.1ms, 43 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): 1336, Positive cache size: 1287, Positive conditional cache size: 6, Positive unconditional cache size: 1281, Negative cache size: 49, Negative conditional cache size: 0, Negative unconditional cache size: 49, Eliminated conditions: 0 - PositiveResult [Line: 780]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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, 82 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 4245.9ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 374.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3335.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 54 SDtfs, 26 SDslu, 19 SDs, 0 SdLazy, 69 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=3, InterpolantAutomatonStates: 16, 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: 8.9ms SsaConstructionTime, 84.4ms SatisfiabilityAnalysisTime, 167.4ms InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...