/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-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 09:34:54,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 09:34:54,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 09:34:54,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 09:34:54,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 09:34:54,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 09:34:54,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 09:34:54,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 09:34:54,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 09:34:54,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 09:34:54,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 09:34:54,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 09:34:54,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 09:34:54,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 09:34:54,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 09:34:54,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 09:34:54,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 09:34:54,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 09:34:54,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 09:34:54,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 09:34:54,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 09:34:54,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 09:34:54,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 09:34:54,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 09:34:54,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-24 09:34:54,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-24 09:34:54,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-24 09:34:54,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-24 09:34:54,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-24 09:34:54,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-24 09:34:54,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 09:34:54,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 09:34:54,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 09:34:54,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 09:34:54,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 09:34:54,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 09:34:54,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 09:34:54,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 09:34:54,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 09:34:54,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 09:34:54,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 09:34:54,461 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-VariableLbe.epf [2021-03-24 09:34:54,490 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 09:34:54,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 09:34:54,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 09:34:54,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 09:34:54,494 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 09:34:54,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 09:34:54,495 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 09:34:54,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 09:34:54,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 09:34:54,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 09:34:54,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 09:34:54,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 09:34:54,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 09:34:54,496 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 09:34:54,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 09:34:54,496 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 09:34:54,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 09:34:54,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 09:34:54,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 09:34:54,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 09:34:54,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 09:34:54,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 09:34:54,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 09:34:54,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 09:34:54,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 09:34:54,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 09:34:54,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 09:34:54,498 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 09:34:54,498 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 09:34:54,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 09:34:54,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 09:34:54,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 09:34:54,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 09:34:54,772 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 09:34:54,772 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 09:34:54,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i [2021-03-24 09:34:54,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc0beb1f/a0c4922899164413a54613675607102b/FLAGf170ccaa9 [2021-03-24 09:34:55,503 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 09:34:55,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i [2021-03-24 09:34:55,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc0beb1f/a0c4922899164413a54613675607102b/FLAGf170ccaa9 [2021-03-24 09:34:55,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc0beb1f/a0c4922899164413a54613675607102b [2021-03-24 09:34:55,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 09:34:55,695 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 09:34:55,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 09:34:55,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 09:34:55,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 09:34:55,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 09:34:55" (1/1) ... [2021-03-24 09:34:55,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3200a6b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:34:55, skipping insertion in model container [2021-03-24 09:34:55,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 09:34:55" (1/1) ... [2021-03-24 09:34:55,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 09:34:55,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 09:34:55,950 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-24 09:34:56,130 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/singleton_with-uninit-problems.i[55568,55581] [2021-03-24 09:34:56,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 09:34:56,190 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 09:34:56,201 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-24 09:34:56,222 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/singleton_with-uninit-problems.i[55568,55581] [2021-03-24 09:34:56,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 09:34:56,357 INFO L208 MainTranslator]: Completed translation [2021-03-24 09:34:56,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:34:56 WrapperNode [2021-03-24 09:34:56,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 09:34:56,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 09:34:56,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 09:34:56,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 09:34:56,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:34:56" (1/1) ... [2021-03-24 09:34:56,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:34:56" (1/1) ... [2021-03-24 09:34:56,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 09:34:56,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 09:34:56,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 09:34:56,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 09:34:56,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:34:56" (1/1) ... [2021-03-24 09:34:56,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:34:56" (1/1) ... [2021-03-24 09:34:56,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:34:56" (1/1) ... [2021-03-24 09:34:56,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:34:56" (1/1) ... [2021-03-24 09:34:56,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:34:56" (1/1) ... [2021-03-24 09:34:56,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:34:56" (1/1) ... [2021-03-24 09:34:56,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:34:56" (1/1) ... [2021-03-24 09:34:56,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 09:34:56,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 09:34:56,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 09:34:56,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 09:34:56,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:34:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 09:34:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 09:34:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 09:34:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 09:34:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 09:34:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-24 09:34:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-03-24 09:34:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-03-24 09:34:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-24 09:34:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-24 09:34:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-24 09:34:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-24 09:34:56,475 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-24 09:34:56,475 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-24 09:34:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 09:34:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-03-24 09:34:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 09:34:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 09:34:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 09:34:56,477 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 09:34:56,906 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 09:34:56,907 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-03-24 09:34:56,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 09:34:56 BoogieIcfgContainer [2021-03-24 09:34:56,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 09:34:56,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 09:34:56,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 09:34:56,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 09:34:56,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 09:34:55" (1/3) ... [2021-03-24 09:34:56,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8890ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 09:34:56, skipping insertion in model container [2021-03-24 09:34:56,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:34:56" (2/3) ... [2021-03-24 09:34:56,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8890ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 09:34:56, skipping insertion in model container [2021-03-24 09:34:56,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 09:34:56" (3/3) ... [2021-03-24 09:34:56,915 INFO L111 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2021-03-24 09:34:56,920 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 09:34:56,923 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-24 09:34:56,924 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 09:34:56,993 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,993 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,993 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,993 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,994 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,994 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,994 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,994 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,995 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,995 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,995 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,995 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,995 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,996 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,996 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,997 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,997 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,997 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,997 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,997 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,998 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,998 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,998 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,998 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,998 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,998 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,998 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,999 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,999 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,999 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:56,999 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,000 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,000 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,000 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,001 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,001 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,001 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,001 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,001 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,001 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,003 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,003 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,003 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,003 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,003 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,003 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,003 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,004 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,004 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,004 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,004 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,004 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,004 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,004 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,004 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,005 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,005 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,005 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,005 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,005 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,005 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,005 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,006 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,006 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,006 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,006 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,006 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,006 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,007 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,007 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,007 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,007 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,007 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,007 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,008 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,008 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,008 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,008 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,008 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,008 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,008 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,009 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,009 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,009 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,009 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,009 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,009 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,009 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,010 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,010 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,010 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,010 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,011 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,011 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,013 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,013 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,014 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,014 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,018 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,018 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,018 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,019 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,019 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,019 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,019 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,019 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,020 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,020 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,020 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,020 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,020 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,020 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,020 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,020 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,021 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,021 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,021 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,021 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,021 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,021 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,021 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,021 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,022 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,022 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,022 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,023 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,023 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,023 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,023 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,023 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,023 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,023 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,023 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,024 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,024 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,024 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,024 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,024 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,024 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,024 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,026 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,026 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,026 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,026 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,026 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,027 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,027 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,027 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,027 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,028 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,029 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,029 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,029 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,029 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,029 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,029 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,029 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,029 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,029 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,032 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,032 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,033 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,033 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,033 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,033 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,033 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,033 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,033 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,033 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,033 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,033 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,034 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,034 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,034 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,034 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,034 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,034 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,034 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,034 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,034 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,036 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,036 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,036 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,036 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,041 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,042 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,042 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,042 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,043 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,044 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,044 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,044 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,046 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,046 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,048 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,049 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,049 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,052 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,052 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,052 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,052 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,053 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,053 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,059 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,059 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,059 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,059 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,059 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,059 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,059 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,060 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,060 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,060 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,060 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,060 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,060 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,060 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,060 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,063 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,063 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,063 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,063 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,064 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,064 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,064 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,065 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,067 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,067 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,067 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,068 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,071 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,071 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,072 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,072 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,074 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,074 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,076 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,077 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:34:57,163 INFO L149 ThreadInstanceAdder]: Constructed 121 joinOtherThreadTransitions. [2021-03-24 09:34:57,177 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-03-24 09:34:57,190 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 09:34:57,191 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 09:34:57,191 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 09:34:57,191 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 09:34:57,191 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 09:34:57,191 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 09:34:57,191 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 09:34:57,191 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 09:34:57,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 255 transitions, 890 flow [2021-03-24 09:34:57,304 INFO L129 PetriNetUnfolder]: 67/316 cut-off events. [2021-03-24 09:34:57,304 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2021-03-24 09:34:57,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 316 events. 67/316 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 995 event pairs, 0 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 365. Up to 24 conditions per place. [2021-03-24 09:34:57,311 INFO L82 GeneralOperation]: Start removeDead. Operand has 173 places, 255 transitions, 890 flow [2021-03-24 09:34:57,317 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 147 transitions, 447 flow [2021-03-24 09:34:57,318 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 09:34:57,325 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 147 transitions, 447 flow [2021-03-24 09:34:57,327 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 147 transitions, 447 flow [2021-03-24 09:34:57,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 147 transitions, 447 flow [2021-03-24 09:34:57,364 INFO L129 PetriNetUnfolder]: 67/316 cut-off events. [2021-03-24 09:34:57,364 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2021-03-24 09:34:57,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 316 events. 67/316 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 983 event pairs, 0 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 365. Up to 24 conditions per place. [2021-03-24 09:34:57,375 INFO L142 LiptonReduction]: Number of co-enabled transitions 4982 [2021-03-24 09:34:59,341 INFO L154 LiptonReduction]: Checked pairs total: 2660 [2021-03-24 09:34:59,341 INFO L156 LiptonReduction]: Total number of compositions: 70 [2021-03-24 09:34:59,343 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2025 [2021-03-24 09:34:59,354 INFO L129 PetriNetUnfolder]: 2/21 cut-off events. [2021-03-24 09:34:59,354 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-24 09:34:59,355 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:34:59,355 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:34:59,355 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:34:59,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:34:59,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1880774221, now seen corresponding path program 1 times [2021-03-24 09:34:59,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:34:59,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371505083] [2021-03-24 09:34:59,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:34:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:34:59,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:34:59,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:34:59,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:34:59,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:34:59,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:34:59,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:34:59,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:34:59,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:34:59,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:34:59,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:34:59,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:34:59,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:34:59,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:34:59,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:34:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:34:59,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371505083] [2021-03-24 09:34:59,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:34:59,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 09:34:59,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186164047] [2021-03-24 09:34:59,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 09:34:59,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:34:59,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 09:34:59,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 09:34:59,655 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 336 [2021-03-24 09:34:59,659 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 85 transitions, 323 flow. Second operand has 7 states, 7 states have (on average 193.71428571428572) internal successors, (1356), 7 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:34:59,659 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:34:59,659 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 336 [2021-03-24 09:34:59,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:00,280 INFO L129 PetriNetUnfolder]: 3307/4976 cut-off events. [2021-03-24 09:35:00,280 INFO L130 PetriNetUnfolder]: For 1440/1445 co-relation queries the response was YES. [2021-03-24 09:35:00,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10444 conditions, 4976 events. 3307/4976 cut-off events. For 1440/1445 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 26754 event pairs, 1751 based on Foata normal form. 121/3980 useless extension candidates. Maximal degree in co-relation 10407. Up to 2724 conditions per place. [2021-03-24 09:35:00,325 INFO L132 encePairwiseOnDemand]: 325/336 looper letters, 69 selfloop transitions, 7 changer transitions 4/121 dead transitions. [2021-03-24 09:35:00,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 121 transitions, 588 flow [2021-03-24 09:35:00,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 09:35:00,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 09:35:00,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1620 transitions. [2021-03-24 09:35:00,343 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6026785714285714 [2021-03-24 09:35:00,344 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1620 transitions. [2021-03-24 09:35:00,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1620 transitions. [2021-03-24 09:35:00,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:00,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1620 transitions. [2021-03-24 09:35:00,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 202.5) internal successors, (1620), 8 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:00,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:00,367 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:00,369 INFO L185 Difference]: Start difference. First operand has 64 places, 85 transitions, 323 flow. Second operand 8 states and 1620 transitions. [2021-03-24 09:35:00,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 121 transitions, 588 flow [2021-03-24 09:35:00,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 121 transitions, 464 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-03-24 09:35:00,383 INFO L241 Difference]: Finished difference. Result has 62 places, 86 transitions, 256 flow [2021-03-24 09:35:00,385 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=256, PETRI_PLACES=62, PETRI_TRANSITIONS=86} [2021-03-24 09:35:00,386 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -2 predicate places. [2021-03-24 09:35:00,386 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 86 transitions, 256 flow [2021-03-24 09:35:00,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 193.71428571428572) internal successors, (1356), 7 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:00,387 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:00,387 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:00,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 09:35:00,387 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:00,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:00,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1911423025, now seen corresponding path program 1 times [2021-03-24 09:35:00,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:00,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832750534] [2021-03-24 09:35:00,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:00,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:00,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:00,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:00,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:00,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:00,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:35:00,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:00,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:00,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:00,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:00,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:00,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832750534] [2021-03-24 09:35:00,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:00,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 09:35:00,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769578364] [2021-03-24 09:35:00,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 09:35:00,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:00,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 09:35:00,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 09:35:00,493 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 336 [2021-03-24 09:35:00,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 86 transitions, 256 flow. Second operand has 5 states, 5 states have (on average 232.6) internal successors, (1163), 5 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:00,495 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:00,495 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 336 [2021-03-24 09:35:00,495 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:00,979 INFO L129 PetriNetUnfolder]: 4290/6160 cut-off events. [2021-03-24 09:35:00,979 INFO L130 PetriNetUnfolder]: For 944/951 co-relation queries the response was YES. [2021-03-24 09:35:00,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11482 conditions, 6160 events. 4290/6160 cut-off events. For 944/951 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 31248 event pairs, 2113 based on Foata normal form. 2/4671 useless extension candidates. Maximal degree in co-relation 10690. Up to 3577 conditions per place. [2021-03-24 09:35:01,020 INFO L132 encePairwiseOnDemand]: 329/336 looper letters, 59 selfloop transitions, 6 changer transitions 1/114 dead transitions. [2021-03-24 09:35:01,020 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 114 transitions, 466 flow [2021-03-24 09:35:01,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 09:35:01,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 09:35:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1451 transitions. [2021-03-24 09:35:01,024 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7197420634920635 [2021-03-24 09:35:01,024 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1451 transitions. [2021-03-24 09:35:01,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1451 transitions. [2021-03-24 09:35:01,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:01,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1451 transitions. [2021-03-24 09:35:01,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 241.83333333333334) internal successors, (1451), 6 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:01,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 336.0) internal successors, (2352), 7 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:01,032 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 336.0) internal successors, (2352), 7 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:01,032 INFO L185 Difference]: Start difference. First operand has 62 places, 86 transitions, 256 flow. Second operand 6 states and 1451 transitions. [2021-03-24 09:35:01,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 114 transitions, 466 flow [2021-03-24 09:35:01,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 114 transitions, 455 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-24 09:35:01,038 INFO L241 Difference]: Finished difference. Result has 65 places, 89 transitions, 289 flow [2021-03-24 09:35:01,038 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=289, PETRI_PLACES=65, PETRI_TRANSITIONS=89} [2021-03-24 09:35:01,039 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 1 predicate places. [2021-03-24 09:35:01,039 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 89 transitions, 289 flow [2021-03-24 09:35:01,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 232.6) internal successors, (1163), 5 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:01,040 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:01,040 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:01,040 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 09:35:01,040 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:01,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:01,040 INFO L82 PathProgramCache]: Analyzing trace with hash 948685129, now seen corresponding path program 2 times [2021-03-24 09:35:01,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:01,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202265889] [2021-03-24 09:35:01,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:01,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:01,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:01,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:01,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:35:01,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:01,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:35:01,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:01,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:01,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:01,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:35:01,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:01,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:01,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:01,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:01,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:01,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202265889] [2021-03-24 09:35:01,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:01,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 09:35:01,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809290192] [2021-03-24 09:35:01,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 09:35:01,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:01,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 09:35:01,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 09:35:01,157 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 336 [2021-03-24 09:35:01,158 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 89 transitions, 289 flow. Second operand has 7 states, 7 states have (on average 193.71428571428572) internal successors, (1356), 7 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:01,159 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:01,159 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 336 [2021-03-24 09:35:01,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:01,902 INFO L129 PetriNetUnfolder]: 5013/7176 cut-off events. [2021-03-24 09:35:01,902 INFO L130 PetriNetUnfolder]: For 1797/1804 co-relation queries the response was YES. [2021-03-24 09:35:01,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13574 conditions, 7176 events. 5013/7176 cut-off events. For 1797/1804 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 37059 event pairs, 2255 based on Foata normal form. 4/5342 useless extension candidates. Maximal degree in co-relation 11208. Up to 2531 conditions per place. [2021-03-24 09:35:01,953 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 91 selfloop transitions, 15 changer transitions 0/147 dead transitions. [2021-03-24 09:35:01,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 147 transitions, 649 flow [2021-03-24 09:35:01,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 09:35:01,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 09:35:01,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1832 transitions. [2021-03-24 09:35:01,957 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6058201058201058 [2021-03-24 09:35:01,958 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1832 transitions. [2021-03-24 09:35:01,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1832 transitions. [2021-03-24 09:35:01,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:01,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1832 transitions. [2021-03-24 09:35:01,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 203.55555555555554) internal successors, (1832), 9 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:01,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:01,968 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:01,968 INFO L185 Difference]: Start difference. First operand has 65 places, 89 transitions, 289 flow. Second operand 9 states and 1832 transitions. [2021-03-24 09:35:01,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 147 transitions, 649 flow [2021-03-24 09:35:01,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 147 transitions, 636 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-24 09:35:01,979 INFO L241 Difference]: Finished difference. Result has 73 places, 93 transitions, 345 flow [2021-03-24 09:35:01,979 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=345, PETRI_PLACES=73, PETRI_TRANSITIONS=93} [2021-03-24 09:35:01,979 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 9 predicate places. [2021-03-24 09:35:01,979 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 93 transitions, 345 flow [2021-03-24 09:35:01,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 193.71428571428572) internal successors, (1356), 7 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:01,980 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:01,980 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:01,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 09:35:01,980 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:01,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:01,981 INFO L82 PathProgramCache]: Analyzing trace with hash 404837523, now seen corresponding path program 1 times [2021-03-24 09:35:01,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:01,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547488570] [2021-03-24 09:35:01,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:02,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:02,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:02,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:02,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:02,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:02,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:02,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:02,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:02,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:02,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547488570] [2021-03-24 09:35:02,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:02,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 09:35:02,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93053649] [2021-03-24 09:35:02,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 09:35:02,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:02,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 09:35:02,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 09:35:02,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 336 [2021-03-24 09:35:02,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 93 transitions, 345 flow. Second operand has 5 states, 5 states have (on average 254.4) internal successors, (1272), 5 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:02,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:02,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 336 [2021-03-24 09:35:02,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:03,085 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][38], [Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 210#true, Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 42#L1156-1true, 125#L1164-2true, 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5)]) [2021-03-24 09:35:03,085 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,085 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,085 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,085 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,086 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][48], [Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 210#true, Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 231#true, 42#L1156-1true, 125#L1164-2true, Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5)]) [2021-03-24 09:35:03,086 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,086 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,086 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,086 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,087 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][41], [Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 210#true, Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 42#L1156-1true, 125#L1164-2true, 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5)]) [2021-03-24 09:35:03,087 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,087 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,087 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,087 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,087 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][40], [Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 210#true, Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 231#true, 42#L1156-1true, 125#L1164-2true, Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5)]) [2021-03-24 09:35:03,087 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,087 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,087 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,088 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,088 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][43], [Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 210#true, Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 42#L1156-1true, 125#L1164-2true, 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5)]) [2021-03-24 09:35:03,088 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,088 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,088 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,088 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,088 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][42], [Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 210#true, Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 231#true, 42#L1156-1true, 125#L1164-2true, Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5)]) [2021-03-24 09:35:03,088 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,089 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,089 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,089 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:03,091 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][37], [Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), 210#true, Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 42#L1156-1true, 125#L1164-2true, 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5)]) [2021-03-24 09:35:03,092 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is not cut-off event [2021-03-24 09:35:03,092 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2021-03-24 09:35:03,092 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2021-03-24 09:35:03,092 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2021-03-24 09:35:03,093 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][36], [Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), 210#true, Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 231#true, 42#L1156-1true, 125#L1164-2true, Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5)]) [2021-03-24 09:35:03,093 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is not cut-off event [2021-03-24 09:35:03,093 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2021-03-24 09:35:03,093 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2021-03-24 09:35:03,093 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2021-03-24 09:35:03,107 INFO L129 PetriNetUnfolder]: 7187/11060 cut-off events. [2021-03-24 09:35:03,107 INFO L130 PetriNetUnfolder]: For 6196/6196 co-relation queries the response was YES. [2021-03-24 09:35:03,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22889 conditions, 11060 events. 7187/11060 cut-off events. For 6196/6196 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 71047 event pairs, 686 based on Foata normal form. 0/8827 useless extension candidates. Maximal degree in co-relation 17096. Up to 2861 conditions per place. [2021-03-24 09:35:03,201 INFO L132 encePairwiseOnDemand]: 325/336 looper letters, 81 selfloop transitions, 36 changer transitions 6/182 dead transitions. [2021-03-24 09:35:03,201 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 182 transitions, 797 flow [2021-03-24 09:35:03,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 09:35:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 09:35:03,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2380 transitions. [2021-03-24 09:35:03,206 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7870370370370371 [2021-03-24 09:35:03,206 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2380 transitions. [2021-03-24 09:35:03,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2380 transitions. [2021-03-24 09:35:03,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:03,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2380 transitions. [2021-03-24 09:35:03,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 264.44444444444446) internal successors, (2380), 9 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:03,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:03,216 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:03,216 INFO L185 Difference]: Start difference. First operand has 73 places, 93 transitions, 345 flow. Second operand 9 states and 2380 transitions. [2021-03-24 09:35:03,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 182 transitions, 797 flow [2021-03-24 09:35:03,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 182 transitions, 780 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-24 09:35:03,223 INFO L241 Difference]: Finished difference. Result has 87 places, 129 transitions, 636 flow [2021-03-24 09:35:03,223 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=636, PETRI_PLACES=87, PETRI_TRANSITIONS=129} [2021-03-24 09:35:03,223 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 23 predicate places. [2021-03-24 09:35:03,223 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 129 transitions, 636 flow [2021-03-24 09:35:03,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 254.4) internal successors, (1272), 5 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:03,224 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:03,224 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:03,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 09:35:03,224 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:03,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:03,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1913777581, now seen corresponding path program 1 times [2021-03-24 09:35:03,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:03,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695039141] [2021-03-24 09:35:03,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:03,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:03,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:03,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:03,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:35:03,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:03,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:35:03,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:03,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 09:35:03,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:03,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:35:03,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:03,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:03,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:03,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:03,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:03,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695039141] [2021-03-24 09:35:03,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:03,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 09:35:03,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989072274] [2021-03-24 09:35:03,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 09:35:03,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:03,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 09:35:03,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-24 09:35:03,300 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 336 [2021-03-24 09:35:03,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 129 transitions, 636 flow. Second operand has 6 states, 6 states have (on average 193.66666666666666) internal successors, (1162), 6 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:03,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:03,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 336 [2021-03-24 09:35:03,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:04,708 INFO L129 PetriNetUnfolder]: 10064/14529 cut-off events. [2021-03-24 09:35:04,708 INFO L130 PetriNetUnfolder]: For 31455/31885 co-relation queries the response was YES. [2021-03-24 09:35:04,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42255 conditions, 14529 events. 10064/14529 cut-off events. For 31455/31885 co-relation queries the response was YES. Maximal size of possible extension queue 707. Compared 85146 event pairs, 2302 based on Foata normal form. 244/11306 useless extension candidates. Maximal degree in co-relation 31295. Up to 6605 conditions per place. [2021-03-24 09:35:04,820 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 108 selfloop transitions, 17 changer transitions 6/168 dead transitions. [2021-03-24 09:35:04,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 168 transitions, 1070 flow [2021-03-24 09:35:04,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 09:35:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 09:35:04,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1613 transitions. [2021-03-24 09:35:04,824 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6000744047619048 [2021-03-24 09:35:04,824 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1613 transitions. [2021-03-24 09:35:04,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1613 transitions. [2021-03-24 09:35:04,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:04,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1613 transitions. [2021-03-24 09:35:04,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 201.625) internal successors, (1613), 8 states have internal predecessors, (1613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:04,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:04,833 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:04,833 INFO L185 Difference]: Start difference. First operand has 87 places, 129 transitions, 636 flow. Second operand 8 states and 1613 transitions. [2021-03-24 09:35:04,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 168 transitions, 1070 flow [2021-03-24 09:35:04,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 168 transitions, 1070 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-24 09:35:04,898 INFO L241 Difference]: Finished difference. Result has 96 places, 124 transitions, 653 flow [2021-03-24 09:35:04,898 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=653, PETRI_PLACES=96, PETRI_TRANSITIONS=124} [2021-03-24 09:35:04,898 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 32 predicate places. [2021-03-24 09:35:04,898 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 124 transitions, 653 flow [2021-03-24 09:35:04,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 193.66666666666666) internal successors, (1162), 6 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:04,899 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:04,899 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:04,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 09:35:04,899 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:04,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:04,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1539013643, now seen corresponding path program 2 times [2021-03-24 09:35:04,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:04,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485887191] [2021-03-24 09:35:04,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:04,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:04,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:04,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:04,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 09:35:04,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:04,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:04,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:04,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:35:04,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:04,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:04,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:04,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:04,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:04,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:05,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:05,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485887191] [2021-03-24 09:35:05,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:05,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 09:35:05,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793275900] [2021-03-24 09:35:05,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 09:35:05,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:05,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 09:35:05,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-24 09:35:05,111 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 336 [2021-03-24 09:35:05,112 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 124 transitions, 653 flow. Second operand has 8 states, 8 states have (on average 232.875) internal successors, (1863), 8 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:05,112 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:05,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 336 [2021-03-24 09:35:05,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:06,166 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][39], [Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 42#L1156-1true, Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 243#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 231#true, Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 235#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), 283#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21|), Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 125#L1164-2true, 253#true]) [2021-03-24 09:35:06,167 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:06,167 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:06,167 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:06,167 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:06,168 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][55], [Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 231#true, 42#L1156-1true, Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 243#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 279#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 235#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 253#true, 125#L1164-2true]) [2021-03-24 09:35:06,168 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:06,168 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:06,168 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:06,168 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:06,258 INFO L129 PetriNetUnfolder]: 7380/11651 cut-off events. [2021-03-24 09:35:06,258 INFO L130 PetriNetUnfolder]: For 29986/30320 co-relation queries the response was YES. [2021-03-24 09:35:06,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36735 conditions, 11651 events. 7380/11651 cut-off events. For 29986/30320 co-relation queries the response was YES. Maximal size of possible extension queue 668. Compared 78660 event pairs, 618 based on Foata normal form. 316/9951 useless extension candidates. Maximal degree in co-relation 28018. Up to 2857 conditions per place. [2021-03-24 09:35:06,372 INFO L132 encePairwiseOnDemand]: 323/336 looper letters, 94 selfloop transitions, 40 changer transitions 34/224 dead transitions. [2021-03-24 09:35:06,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 224 transitions, 1610 flow [2021-03-24 09:35:06,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 09:35:06,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 09:35:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3591 transitions. [2021-03-24 09:35:06,387 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7125 [2021-03-24 09:35:06,387 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 3591 transitions. [2021-03-24 09:35:06,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 3591 transitions. [2021-03-24 09:35:06,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:06,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 3591 transitions. [2021-03-24 09:35:06,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 239.4) internal successors, (3591), 15 states have internal predecessors, (3591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:06,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 336.0) internal successors, (5376), 16 states have internal predecessors, (5376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:06,408 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 336.0) internal successors, (5376), 16 states have internal predecessors, (5376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:06,408 INFO L185 Difference]: Start difference. First operand has 96 places, 124 transitions, 653 flow. Second operand 15 states and 3591 transitions. [2021-03-24 09:35:06,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 224 transitions, 1610 flow [2021-03-24 09:35:06,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 224 transitions, 1578 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-24 09:35:06,501 INFO L241 Difference]: Finished difference. Result has 111 places, 134 transitions, 888 flow [2021-03-24 09:35:06,501 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=888, PETRI_PLACES=111, PETRI_TRANSITIONS=134} [2021-03-24 09:35:06,502 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 47 predicate places. [2021-03-24 09:35:06,502 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 134 transitions, 888 flow [2021-03-24 09:35:06,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 232.875) internal successors, (1863), 8 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:06,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:06,503 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:06,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 09:35:06,503 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:06,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:06,503 INFO L82 PathProgramCache]: Analyzing trace with hash 660275604, now seen corresponding path program 1 times [2021-03-24 09:35:06,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:06,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108211223] [2021-03-24 09:35:06,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:06,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:06,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:06,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:06,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:06,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:06,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:35:06,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:06,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:06,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:06,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:06,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:06,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108211223] [2021-03-24 09:35:06,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:06,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 09:35:06,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510827217] [2021-03-24 09:35:06,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 09:35:06,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:06,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 09:35:06,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 09:35:06,546 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 336 [2021-03-24 09:35:06,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 134 transitions, 888 flow. Second operand has 5 states, 5 states have (on average 232.4) internal successors, (1162), 5 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:06,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:06,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 336 [2021-03-24 09:35:06,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:07,570 INFO L129 PetriNetUnfolder]: 8834/13086 cut-off events. [2021-03-24 09:35:07,570 INFO L130 PetriNetUnfolder]: For 52298/53032 co-relation queries the response was YES. [2021-03-24 09:35:07,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46513 conditions, 13086 events. 8834/13086 cut-off events. For 52298/53032 co-relation queries the response was YES. Maximal size of possible extension queue 692. Compared 81086 event pairs, 2602 based on Foata normal form. 148/10351 useless extension candidates. Maximal degree in co-relation 40060. Up to 9368 conditions per place. [2021-03-24 09:35:07,669 INFO L132 encePairwiseOnDemand]: 329/336 looper letters, 114 selfloop transitions, 8 changer transitions 3/171 dead transitions. [2021-03-24 09:35:07,670 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 171 transitions, 1374 flow [2021-03-24 09:35:07,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 09:35:07,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 09:35:07,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1451 transitions. [2021-03-24 09:35:07,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7197420634920635 [2021-03-24 09:35:07,674 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1451 transitions. [2021-03-24 09:35:07,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1451 transitions. [2021-03-24 09:35:07,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:07,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1451 transitions. [2021-03-24 09:35:07,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 241.83333333333334) internal successors, (1451), 6 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:07,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 336.0) internal successors, (2352), 7 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:07,681 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 336.0) internal successors, (2352), 7 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:07,681 INFO L185 Difference]: Start difference. First operand has 111 places, 134 transitions, 888 flow. Second operand 6 states and 1451 transitions. [2021-03-24 09:35:07,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 171 transitions, 1374 flow [2021-03-24 09:35:07,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 171 transitions, 1296 flow, removed 25 selfloop flow, removed 5 redundant places. [2021-03-24 09:35:07,817 INFO L241 Difference]: Finished difference. Result has 109 places, 132 transitions, 823 flow [2021-03-24 09:35:07,817 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=823, PETRI_PLACES=109, PETRI_TRANSITIONS=132} [2021-03-24 09:35:07,817 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 45 predicate places. [2021-03-24 09:35:07,818 INFO L480 AbstractCegarLoop]: Abstraction has has 109 places, 132 transitions, 823 flow [2021-03-24 09:35:07,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 232.4) internal successors, (1162), 5 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:07,818 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:07,819 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:07,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 09:35:07,819 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:07,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:07,819 INFO L82 PathProgramCache]: Analyzing trace with hash 458476432, now seen corresponding path program 2 times [2021-03-24 09:35:07,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:07,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979818835] [2021-03-24 09:35:07,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:07,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:07,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:07,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:07,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:07,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:07,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 09:35:07,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:07,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:07,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:07,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979818835] [2021-03-24 09:35:07,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:07,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 09:35:07,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898550933] [2021-03-24 09:35:07,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 09:35:07,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:07,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 09:35:07,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 09:35:07,860 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 336 [2021-03-24 09:35:07,862 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 132 transitions, 823 flow. Second operand has 5 states, 5 states have (on average 254.6) internal successors, (1273), 5 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:07,862 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:07,862 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 336 [2021-03-24 09:35:07,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:08,943 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][37], [Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 283#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21|), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 42#L1156-1true, 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 291#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 281#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 285#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 307#true, Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 243#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 231#true, Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 235#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 310#(= |ULTIMATE.start_main_#t~mem18| 5), 125#L1164-2true, Black: 315#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), 319#true]) [2021-03-24 09:35:08,943 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:08,943 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:08,944 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:08,944 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:08,944 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][55], [Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 322#(and (not |ULTIMATE.start_main_#t~short21|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 279#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 231#true, 42#L1156-1true, Black: 291#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 281#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 283#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21|), Black: 285#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 307#true, Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 243#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 235#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 310#(= |ULTIMATE.start_main_#t~mem18| 5), 125#L1164-2true, Black: 315#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)))]) [2021-03-24 09:35:08,944 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:08,944 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:08,944 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:08,945 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:09,000 INFO L129 PetriNetUnfolder]: 8939/14269 cut-off events. [2021-03-24 09:35:09,001 INFO L130 PetriNetUnfolder]: For 59275/59789 co-relation queries the response was YES. [2021-03-24 09:35:09,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48809 conditions, 14269 events. 8939/14269 cut-off events. For 59275/59789 co-relation queries the response was YES. Maximal size of possible extension queue 846. Compared 101699 event pairs, 1459 based on Foata normal form. 289/11997 useless extension candidates. Maximal degree in co-relation 31500. Up to 5789 conditions per place. [2021-03-24 09:35:09,226 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 100 selfloop transitions, 33 changer transitions 7/200 dead transitions. [2021-03-24 09:35:09,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 200 transitions, 1604 flow [2021-03-24 09:35:09,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 09:35:09,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 09:35:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1585 transitions. [2021-03-24 09:35:09,230 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7862103174603174 [2021-03-24 09:35:09,230 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1585 transitions. [2021-03-24 09:35:09,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1585 transitions. [2021-03-24 09:35:09,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:09,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1585 transitions. [2021-03-24 09:35:09,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 264.1666666666667) internal successors, (1585), 6 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:09,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 336.0) internal successors, (2352), 7 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:09,236 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 336.0) internal successors, (2352), 7 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:09,236 INFO L185 Difference]: Start difference. First operand has 109 places, 132 transitions, 823 flow. Second operand 6 states and 1585 transitions. [2021-03-24 09:35:09,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 200 transitions, 1604 flow [2021-03-24 09:35:09,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 200 transitions, 1588 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 09:35:09,317 INFO L241 Difference]: Finished difference. Result has 113 places, 162 transitions, 1263 flow [2021-03-24 09:35:09,318 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1263, PETRI_PLACES=113, PETRI_TRANSITIONS=162} [2021-03-24 09:35:09,318 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 49 predicate places. [2021-03-24 09:35:09,318 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 162 transitions, 1263 flow [2021-03-24 09:35:09,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 254.6) internal successors, (1273), 5 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:09,319 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:09,319 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:09,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 09:35:09,319 INFO L428 AbstractCegarLoop]: === Iteration 9 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:09,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:09,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1074653180, now seen corresponding path program 1 times [2021-03-24 09:35:09,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:09,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713255080] [2021-03-24 09:35:09,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:09,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:09,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:09,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:09,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:35:09,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:09,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:35:09,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:09,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 09:35:09,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:09,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:35:09,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:09,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:09,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:09,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:09,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:09,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713255080] [2021-03-24 09:35:09,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:09,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 09:35:09,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97539792] [2021-03-24 09:35:09,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 09:35:09,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:09,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 09:35:09,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-24 09:35:09,388 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 336 [2021-03-24 09:35:09,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 162 transitions, 1263 flow. Second operand has 6 states, 6 states have (on average 193.83333333333334) internal successors, (1163), 6 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:09,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:09,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 336 [2021-03-24 09:35:09,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:10,628 INFO L129 PetriNetUnfolder]: 10775/16180 cut-off events. [2021-03-24 09:35:10,628 INFO L130 PetriNetUnfolder]: For 82840/84268 co-relation queries the response was YES. [2021-03-24 09:35:10,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60713 conditions, 16180 events. 10775/16180 cut-off events. For 82840/84268 co-relation queries the response was YES. Maximal size of possible extension queue 884. Compared 106380 event pairs, 2846 based on Foata normal form. 276/12931 useless extension candidates. Maximal degree in co-relation 54142. Up to 8706 conditions per place. [2021-03-24 09:35:10,703 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 104 selfloop transitions, 21 changer transitions 49/206 dead transitions. [2021-03-24 09:35:10,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 206 transitions, 1922 flow [2021-03-24 09:35:10,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 09:35:10,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 09:35:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1610 transitions. [2021-03-24 09:35:10,706 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5989583333333334 [2021-03-24 09:35:10,706 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1610 transitions. [2021-03-24 09:35:10,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1610 transitions. [2021-03-24 09:35:10,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:10,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1610 transitions. [2021-03-24 09:35:10,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 201.25) internal successors, (1610), 8 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:10,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:10,713 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:10,713 INFO L185 Difference]: Start difference. First operand has 113 places, 162 transitions, 1263 flow. Second operand 8 states and 1610 transitions. [2021-03-24 09:35:10,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 206 transitions, 1922 flow [2021-03-24 09:35:10,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 206 transitions, 1822 flow, removed 50 selfloop flow, removed 0 redundant places. [2021-03-24 09:35:10,832 INFO L241 Difference]: Finished difference. Result has 122 places, 122 transitions, 929 flow [2021-03-24 09:35:10,833 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1181, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=929, PETRI_PLACES=122, PETRI_TRANSITIONS=122} [2021-03-24 09:35:10,833 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 58 predicate places. [2021-03-24 09:35:10,833 INFO L480 AbstractCegarLoop]: Abstraction has has 122 places, 122 transitions, 929 flow [2021-03-24 09:35:10,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 193.83333333333334) internal successors, (1163), 6 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:10,833 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:10,834 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:10,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 09:35:10,834 INFO L428 AbstractCegarLoop]: === Iteration 10 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:10,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:10,834 INFO L82 PathProgramCache]: Analyzing trace with hash -103364733, now seen corresponding path program 1 times [2021-03-24 09:35:10,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:10,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755217574] [2021-03-24 09:35:10,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:10,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:10,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:10,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:10,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 09:35:10,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:10,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:10,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:10,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:35:10,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:10,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:10,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:10,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:10,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:10,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:10,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:10,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755217574] [2021-03-24 09:35:10,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:10,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 09:35:10,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776137016] [2021-03-24 09:35:10,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 09:35:10,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:10,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 09:35:10,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-24 09:35:10,891 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 336 [2021-03-24 09:35:10,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 122 transitions, 929 flow. Second operand has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:10,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:10,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 336 [2021-03-24 09:35:10,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:11,999 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][41], [Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 321#(= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89), Black: 323#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 325#(and (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), 330#true, Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 343#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 334#(= |ULTIMATE.start_main_#t~mem18| 5), 283#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21|), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 360#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), 42#L1156-1true, 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 291#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 281#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 285#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 243#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 231#true, Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 235#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 310#(= |ULTIMATE.start_main_#t~mem18| 5), 125#L1164-2true, Black: 315#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), 319#true]) [2021-03-24 09:35:12,000 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:12,000 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:12,000 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:12,000 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:12,000 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][54], [Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 322#(and (not |ULTIMATE.start_main_#t~short21|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 321#(= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89), Black: 323#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 325#(and (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), 330#true, Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 279#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 343#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 334#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 356#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 231#true, 42#L1156-1true, Black: 291#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 281#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 283#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21|), Black: 285#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 243#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 235#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 310#(= |ULTIMATE.start_main_#t~mem18| 5), 125#L1164-2true, Black: 315#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)))]) [2021-03-24 09:35:12,000 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:12,000 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:12,000 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:12,000 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:12,028 INFO L129 PetriNetUnfolder]: 7641/12203 cut-off events. [2021-03-24 09:35:12,028 INFO L130 PetriNetUnfolder]: For 69459/70431 co-relation queries the response was YES. [2021-03-24 09:35:12,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47170 conditions, 12203 events. 7641/12203 cut-off events. For 69459/70431 co-relation queries the response was YES. Maximal size of possible extension queue 713. Compared 85231 event pairs, 963 based on Foata normal form. 395/10515 useless extension candidates. Maximal degree in co-relation 38544. Up to 3973 conditions per place. [2021-03-24 09:35:12,102 INFO L132 encePairwiseOnDemand]: 324/336 looper letters, 68 selfloop transitions, 28 changer transitions 77/220 dead transitions. [2021-03-24 09:35:12,102 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 220 transitions, 2110 flow [2021-03-24 09:35:12,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 09:35:12,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 09:35:12,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2633 transitions. [2021-03-24 09:35:12,107 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7123917748917749 [2021-03-24 09:35:12,107 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2633 transitions. [2021-03-24 09:35:12,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2633 transitions. [2021-03-24 09:35:12,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:12,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2633 transitions. [2021-03-24 09:35:12,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 239.36363636363637) internal successors, (2633), 11 states have internal predecessors, (2633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:12,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:12,116 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:12,116 INFO L185 Difference]: Start difference. First operand has 122 places, 122 transitions, 929 flow. Second operand 11 states and 2633 transitions. [2021-03-24 09:35:12,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 220 transitions, 2110 flow [2021-03-24 09:35:12,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 220 transitions, 1925 flow, removed 69 selfloop flow, removed 12 redundant places. [2021-03-24 09:35:12,240 INFO L241 Difference]: Finished difference. Result has 115 places, 127 transitions, 1050 flow [2021-03-24 09:35:12,240 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1050, PETRI_PLACES=115, PETRI_TRANSITIONS=127} [2021-03-24 09:35:12,241 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 51 predicate places. [2021-03-24 09:35:12,241 INFO L480 AbstractCegarLoop]: Abstraction has has 115 places, 127 transitions, 1050 flow [2021-03-24 09:35:12,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:12,241 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:12,241 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:12,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 09:35:12,242 INFO L428 AbstractCegarLoop]: === Iteration 11 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:12,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:12,242 INFO L82 PathProgramCache]: Analyzing trace with hash -708224148, now seen corresponding path program 2 times [2021-03-24 09:35:12,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:12,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957998146] [2021-03-24 09:35:12,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:12,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:12,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:12,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:12,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 09:35:12,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:12,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:12,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:12,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:35:12,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:12,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:12,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:12,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 09:35:12,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:12,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:12,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:12,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957998146] [2021-03-24 09:35:12,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:12,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 09:35:12,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831821754] [2021-03-24 09:35:12,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 09:35:12,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:12,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 09:35:12,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-24 09:35:12,302 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 336 [2021-03-24 09:35:12,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 127 transitions, 1050 flow. Second operand has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:12,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:12,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 336 [2021-03-24 09:35:12,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:13,190 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][55], [Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), 322#(and (not |ULTIMATE.start_main_#t~short21|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 321#(= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89), Black: 323#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), 393#(and (not |ULTIMATE.start_main_#t~short21|) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 325#(and (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 279#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 343#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 334#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 356#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 231#true, 42#L1156-1true, Black: 281#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 368#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 370#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 358#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 360#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 362#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 364#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 366#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 125#L1164-2true, Black: 310#(= |ULTIMATE.start_main_#t~mem18| 5)]) [2021-03-24 09:35:13,191 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:13,191 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:13,191 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:13,191 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:13,191 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][40], [Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 389#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 321#(= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89), Black: 323#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 325#(and (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 343#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 334#(= |ULTIMATE.start_main_#t~mem18| 5), 283#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21|), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 360#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), 42#L1156-1true, 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 281#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 368#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 370#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 356#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 358#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 231#true, Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 362#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 364#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 366#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 310#(= |ULTIMATE.start_main_#t~mem18| 5), 125#L1164-2true, 319#true]) [2021-03-24 09:35:13,191 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:13,191 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:13,191 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:13,191 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:13,214 INFO L129 PetriNetUnfolder]: 6912/10958 cut-off events. [2021-03-24 09:35:13,214 INFO L130 PetriNetUnfolder]: For 82967/84198 co-relation queries the response was YES. [2021-03-24 09:35:13,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46993 conditions, 10958 events. 6912/10958 cut-off events. For 82967/84198 co-relation queries the response was YES. Maximal size of possible extension queue 649. Compared 74848 event pairs, 1067 based on Foata normal form. 321/9451 useless extension candidates. Maximal degree in co-relation 46781. Up to 4368 conditions per place. [2021-03-24 09:35:13,305 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 81 selfloop transitions, 35 changer transitions 11/174 dead transitions. [2021-03-24 09:35:13,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 174 transitions, 1698 flow [2021-03-24 09:35:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 09:35:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 09:35:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1918 transitions. [2021-03-24 09:35:13,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7135416666666666 [2021-03-24 09:35:13,308 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1918 transitions. [2021-03-24 09:35:13,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1918 transitions. [2021-03-24 09:35:13,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:13,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1918 transitions. [2021-03-24 09:35:13,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 239.75) internal successors, (1918), 8 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:13,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:13,315 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:13,315 INFO L185 Difference]: Start difference. First operand has 115 places, 127 transitions, 1050 flow. Second operand 8 states and 1918 transitions. [2021-03-24 09:35:13,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 174 transitions, 1698 flow [2021-03-24 09:35:13,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 174 transitions, 1631 flow, removed 29 selfloop flow, removed 7 redundant places. [2021-03-24 09:35:13,440 INFO L241 Difference]: Finished difference. Result has 114 places, 136 transitions, 1277 flow [2021-03-24 09:35:13,440 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1013, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1277, PETRI_PLACES=114, PETRI_TRANSITIONS=136} [2021-03-24 09:35:13,440 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 50 predicate places. [2021-03-24 09:35:13,440 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 136 transitions, 1277 flow [2021-03-24 09:35:13,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:13,441 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:13,441 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:13,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 09:35:13,441 INFO L428 AbstractCegarLoop]: === Iteration 12 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:13,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:13,441 INFO L82 PathProgramCache]: Analyzing trace with hash 469984902, now seen corresponding path program 1 times [2021-03-24 09:35:13,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:13,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516865042] [2021-03-24 09:35:13,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:13,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:13,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:13,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:13,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:35:13,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:13,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 09:35:13,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:13,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:35:13,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:13,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:35:13,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:13,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:35:13,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:13,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:13,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:13,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:35:13,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:13,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:13,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:13,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:13,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:13,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516865042] [2021-03-24 09:35:13,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:13,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 09:35:13,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824146576] [2021-03-24 09:35:13,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 09:35:13,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:13,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 09:35:13,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-24 09:35:13,531 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 336 [2021-03-24 09:35:13,532 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 136 transitions, 1277 flow. Second operand has 10 states, 10 states have (on average 190.7) internal successors, (1907), 10 states have internal predecessors, (1907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:13,532 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:13,532 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 336 [2021-03-24 09:35:13,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:15,151 INFO L129 PetriNetUnfolder]: 12896/18450 cut-off events. [2021-03-24 09:35:15,151 INFO L130 PetriNetUnfolder]: For 144545/145702 co-relation queries the response was YES. [2021-03-24 09:35:15,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79273 conditions, 18450 events. 12896/18450 cut-off events. For 144545/145702 co-relation queries the response was YES. Maximal size of possible extension queue 895. Compared 110524 event pairs, 2662 based on Foata normal form. 187/14289 useless extension candidates. Maximal degree in co-relation 73077. Up to 7054 conditions per place. [2021-03-24 09:35:15,291 INFO L132 encePairwiseOnDemand]: 325/336 looper letters, 159 selfloop transitions, 42 changer transitions 9/242 dead transitions. [2021-03-24 09:35:15,291 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 242 transitions, 2813 flow [2021-03-24 09:35:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 09:35:15,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 09:35:15,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2191 transitions. [2021-03-24 09:35:15,295 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5928030303030303 [2021-03-24 09:35:15,295 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2191 transitions. [2021-03-24 09:35:15,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2191 transitions. [2021-03-24 09:35:15,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:15,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2191 transitions. [2021-03-24 09:35:15,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 199.1818181818182) internal successors, (2191), 11 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:15,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:15,303 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:15,303 INFO L185 Difference]: Start difference. First operand has 114 places, 136 transitions, 1277 flow. Second operand 11 states and 2191 transitions. [2021-03-24 09:35:15,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 242 transitions, 2813 flow [2021-03-24 09:35:15,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 242 transitions, 2741 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-03-24 09:35:15,627 INFO L241 Difference]: Finished difference. Result has 125 places, 154 transitions, 1651 flow [2021-03-24 09:35:15,627 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1230, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1651, PETRI_PLACES=125, PETRI_TRANSITIONS=154} [2021-03-24 09:35:15,628 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 61 predicate places. [2021-03-24 09:35:15,628 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 154 transitions, 1651 flow [2021-03-24 09:35:15,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 190.7) internal successors, (1907), 10 states have internal predecessors, (1907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:15,628 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:15,628 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:15,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 09:35:15,628 INFO L428 AbstractCegarLoop]: === Iteration 13 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:15,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:15,629 INFO L82 PathProgramCache]: Analyzing trace with hash -399438114, now seen corresponding path program 2 times [2021-03-24 09:35:15,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:15,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297828684] [2021-03-24 09:35:15,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:15,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:15,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:15,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:15,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:35:15,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:15,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 09:35:15,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:15,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:35:15,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:15,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:35:15,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:15,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:35:15,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:15,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:15,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:15,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:35:15,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:15,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:15,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:15,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:15,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:15,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297828684] [2021-03-24 09:35:15,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:15,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 09:35:15,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178723779] [2021-03-24 09:35:15,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 09:35:15,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:15,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 09:35:15,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-24 09:35:15,734 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 336 [2021-03-24 09:35:15,735 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 154 transitions, 1651 flow. Second operand has 10 states, 10 states have (on average 190.7) internal successors, (1907), 10 states have internal predecessors, (1907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:15,736 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:15,736 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 336 [2021-03-24 09:35:15,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:17,377 INFO L129 PetriNetUnfolder]: 12330/17800 cut-off events. [2021-03-24 09:35:17,377 INFO L130 PetriNetUnfolder]: For 155219/156327 co-relation queries the response was YES. [2021-03-24 09:35:17,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80184 conditions, 17800 events. 12330/17800 cut-off events. For 155219/156327 co-relation queries the response was YES. Maximal size of possible extension queue 872. Compared 108304 event pairs, 2917 based on Foata normal form. 180/13868 useless extension candidates. Maximal degree in co-relation 74295. Up to 12529 conditions per place. [2021-03-24 09:35:17,525 INFO L132 encePairwiseOnDemand]: 325/336 looper letters, 136 selfloop transitions, 25 changer transitions 4/197 dead transitions. [2021-03-24 09:35:17,525 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 197 transitions, 2440 flow [2021-03-24 09:35:17,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 09:35:17,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 09:35:17,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1589 transitions. [2021-03-24 09:35:17,535 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5911458333333334 [2021-03-24 09:35:17,535 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1589 transitions. [2021-03-24 09:35:17,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1589 transitions. [2021-03-24 09:35:17,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:17,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1589 transitions. [2021-03-24 09:35:17,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 198.625) internal successors, (1589), 8 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:17,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:17,540 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:17,540 INFO L185 Difference]: Start difference. First operand has 125 places, 154 transitions, 1651 flow. Second operand 8 states and 1589 transitions. [2021-03-24 09:35:17,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 197 transitions, 2440 flow [2021-03-24 09:35:17,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 197 transitions, 2322 flow, removed 51 selfloop flow, removed 5 redundant places. [2021-03-24 09:35:17,892 INFO L241 Difference]: Finished difference. Result has 130 places, 158 transitions, 1681 flow [2021-03-24 09:35:17,893 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1539, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1681, PETRI_PLACES=130, PETRI_TRANSITIONS=158} [2021-03-24 09:35:17,893 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 66 predicate places. [2021-03-24 09:35:17,893 INFO L480 AbstractCegarLoop]: Abstraction has has 130 places, 158 transitions, 1681 flow [2021-03-24 09:35:17,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 190.7) internal successors, (1907), 10 states have internal predecessors, (1907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:17,893 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:17,893 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:17,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 09:35:17,894 INFO L428 AbstractCegarLoop]: === Iteration 14 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:17,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:17,894 INFO L82 PathProgramCache]: Analyzing trace with hash -2082550893, now seen corresponding path program 2 times [2021-03-24 09:35:17,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:17,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285564113] [2021-03-24 09:35:17,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:17,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:17,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:17,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:17,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:35:17,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:17,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:35:17,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:17,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:35:17,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:17,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:35:17,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:17,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:17,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:17,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:35:17,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:17,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:17,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:17,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:17,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285564113] [2021-03-24 09:35:17,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:17,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 09:35:17,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380362726] [2021-03-24 09:35:17,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 09:35:17,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:17,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 09:35:17,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-24 09:35:17,970 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 336 [2021-03-24 09:35:17,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 158 transitions, 1681 flow. Second operand has 8 states, 8 states have (on average 192.125) internal successors, (1537), 8 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:17,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:17,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 336 [2021-03-24 09:35:17,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:19,735 INFO L129 PetriNetUnfolder]: 14427/20865 cut-off events. [2021-03-24 09:35:19,736 INFO L130 PetriNetUnfolder]: For 181892/183341 co-relation queries the response was YES. [2021-03-24 09:35:19,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93067 conditions, 20865 events. 14427/20865 cut-off events. For 181892/183341 co-relation queries the response was YES. Maximal size of possible extension queue 1028. Compared 130114 event pairs, 3303 based on Foata normal form. 157/16053 useless extension candidates. Maximal degree in co-relation 87541. Up to 9889 conditions per place. [2021-03-24 09:35:19,882 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 186 selfloop transitions, 32 changer transitions 6/262 dead transitions. [2021-03-24 09:35:19,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 262 transitions, 3310 flow [2021-03-24 09:35:19,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 09:35:19,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 09:35:19,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1811 transitions. [2021-03-24 09:35:19,884 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5988756613756614 [2021-03-24 09:35:19,884 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1811 transitions. [2021-03-24 09:35:19,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1811 transitions. [2021-03-24 09:35:19,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:19,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1811 transitions. [2021-03-24 09:35:19,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 201.22222222222223) internal successors, (1811), 9 states have internal predecessors, (1811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:19,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:19,889 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:19,889 INFO L185 Difference]: Start difference. First operand has 130 places, 158 transitions, 1681 flow. Second operand 9 states and 1811 transitions. [2021-03-24 09:35:19,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 262 transitions, 3310 flow [2021-03-24 09:35:20,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 262 transitions, 3245 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-24 09:35:20,282 INFO L241 Difference]: Finished difference. Result has 140 places, 172 transitions, 1977 flow [2021-03-24 09:35:20,282 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1627, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1977, PETRI_PLACES=140, PETRI_TRANSITIONS=172} [2021-03-24 09:35:20,282 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 76 predicate places. [2021-03-24 09:35:20,282 INFO L480 AbstractCegarLoop]: Abstraction has has 140 places, 172 transitions, 1977 flow [2021-03-24 09:35:20,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 192.125) internal successors, (1537), 8 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:20,282 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:20,282 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:20,282 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-24 09:35:20,283 INFO L428 AbstractCegarLoop]: === Iteration 15 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:20,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:20,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1569231949, now seen corresponding path program 3 times [2021-03-24 09:35:20,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:20,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847475647] [2021-03-24 09:35:20,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:20,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:20,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:20,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:20,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:35:20,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:20,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:35:20,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:20,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:35:20,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:20,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:35:20,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:20,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:20,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:20,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:35:20,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:20,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:20,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:20,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:20,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847475647] [2021-03-24 09:35:20,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:20,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 09:35:20,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132164879] [2021-03-24 09:35:20,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 09:35:20,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:20,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 09:35:20,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-24 09:35:20,348 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 336 [2021-03-24 09:35:20,349 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 172 transitions, 1977 flow. Second operand has 8 states, 8 states have (on average 192.125) internal successors, (1537), 8 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:20,349 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:20,349 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 336 [2021-03-24 09:35:20,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:21,950 INFO L129 PetriNetUnfolder]: 13772/20092 cut-off events. [2021-03-24 09:35:21,950 INFO L130 PetriNetUnfolder]: For 179472/180949 co-relation queries the response was YES. [2021-03-24 09:35:22,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91149 conditions, 20092 events. 13772/20092 cut-off events. For 179472/180949 co-relation queries the response was YES. Maximal size of possible extension queue 999. Compared 126993 event pairs, 3288 based on Foata normal form. 157/15535 useless extension candidates. Maximal degree in co-relation 85616. Up to 14641 conditions per place. [2021-03-24 09:35:22,120 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 157 selfloop transitions, 16 changer transitions 4/215 dead transitions. [2021-03-24 09:35:22,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 215 transitions, 2795 flow [2021-03-24 09:35:22,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 09:35:22,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 09:35:22,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1400 transitions. [2021-03-24 09:35:22,122 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2021-03-24 09:35:22,122 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1400 transitions. [2021-03-24 09:35:22,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1400 transitions. [2021-03-24 09:35:22,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:22,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1400 transitions. [2021-03-24 09:35:22,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:22,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 336.0) internal successors, (2688), 8 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:22,126 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 336.0) internal successors, (2688), 8 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:22,126 INFO L185 Difference]: Start difference. First operand has 140 places, 172 transitions, 1977 flow. Second operand 7 states and 1400 transitions. [2021-03-24 09:35:22,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 215 transitions, 2795 flow [2021-03-24 09:35:22,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 215 transitions, 2758 flow, removed 16 selfloop flow, removed 2 redundant places. [2021-03-24 09:35:22,527 INFO L241 Difference]: Finished difference. Result has 146 places, 172 transitions, 1987 flow [2021-03-24 09:35:22,527 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1922, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1987, PETRI_PLACES=146, PETRI_TRANSITIONS=172} [2021-03-24 09:35:22,527 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 82 predicate places. [2021-03-24 09:35:22,527 INFO L480 AbstractCegarLoop]: Abstraction has has 146 places, 172 transitions, 1987 flow [2021-03-24 09:35:22,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 192.125) internal successors, (1537), 8 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:22,527 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:22,527 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:22,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-24 09:35:22,527 INFO L428 AbstractCegarLoop]: === Iteration 16 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:22,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:22,528 INFO L82 PathProgramCache]: Analyzing trace with hash -2122475884, now seen corresponding path program 1 times [2021-03-24 09:35:22,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:22,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601484891] [2021-03-24 09:35:22,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:22,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:22,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:22,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:22,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 09:35:22,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:22,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:35:22,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:22,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 09:35:22,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:22,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 09:35:22,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:22,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:35:22,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:22,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:35:22,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:22,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:35:22,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:22,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:35:22,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:22,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 09:35:22,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:22,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:22,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:22,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:22,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601484891] [2021-03-24 09:35:22,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:22,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 09:35:22,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827305036] [2021-03-24 09:35:22,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 09:35:22,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:22,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 09:35:22,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-03-24 09:35:22,731 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 336 [2021-03-24 09:35:22,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 172 transitions, 1987 flow. Second operand has 12 states, 12 states have (on average 188.41666666666666) internal successors, (2261), 12 states have internal predecessors, (2261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:22,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:22,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 336 [2021-03-24 09:35:22,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:25,060 INFO L129 PetriNetUnfolder]: 16078/22932 cut-off events. [2021-03-24 09:35:25,061 INFO L130 PetriNetUnfolder]: For 202839/204401 co-relation queries the response was YES. [2021-03-24 09:35:25,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104976 conditions, 22932 events. 16078/22932 cut-off events. For 202839/204401 co-relation queries the response was YES. Maximal size of possible extension queue 1106. Compared 140456 event pairs, 3133 based on Foata normal form. 173/17679 useless extension candidates. Maximal degree in co-relation 99278. Up to 15379 conditions per place. [2021-03-24 09:35:25,257 INFO L132 encePairwiseOnDemand]: 324/336 looper letters, 155 selfloop transitions, 50 changer transitions 9/247 dead transitions. [2021-03-24 09:35:25,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 247 transitions, 3266 flow [2021-03-24 09:35:25,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 09:35:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 09:35:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2537 transitions. [2021-03-24 09:35:25,260 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5808150183150184 [2021-03-24 09:35:25,260 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2537 transitions. [2021-03-24 09:35:25,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2537 transitions. [2021-03-24 09:35:25,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:25,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2537 transitions. [2021-03-24 09:35:25,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 195.15384615384616) internal successors, (2537), 13 states have internal predecessors, (2537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:25,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 336.0) internal successors, (4704), 14 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:25,265 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 336.0) internal successors, (4704), 14 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:25,265 INFO L185 Difference]: Start difference. First operand has 146 places, 172 transitions, 1987 flow. Second operand 13 states and 2537 transitions. [2021-03-24 09:35:25,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 247 transitions, 3266 flow [2021-03-24 09:35:25,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 247 transitions, 3180 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-24 09:35:25,707 INFO L241 Difference]: Finished difference. Result has 157 places, 183 transitions, 2209 flow [2021-03-24 09:35:25,707 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1921, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2209, PETRI_PLACES=157, PETRI_TRANSITIONS=183} [2021-03-24 09:35:25,707 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 93 predicate places. [2021-03-24 09:35:25,707 INFO L480 AbstractCegarLoop]: Abstraction has has 157 places, 183 transitions, 2209 flow [2021-03-24 09:35:25,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 188.41666666666666) internal successors, (2261), 12 states have internal predecessors, (2261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:25,708 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:25,708 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:25,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-24 09:35:25,708 INFO L428 AbstractCegarLoop]: === Iteration 17 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:25,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:25,708 INFO L82 PathProgramCache]: Analyzing trace with hash 181240373, now seen corresponding path program 1 times [2021-03-24 09:35:25,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:25,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217579814] [2021-03-24 09:35:25,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:25,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:25,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:25,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:25,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 09:35:25,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:25,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 09:35:25,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:25,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:35:25,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:25,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:35:25,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:25,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:25,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:25,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:25,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:25,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:25,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217579814] [2021-03-24 09:35:25,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:25,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 09:35:25,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675848096] [2021-03-24 09:35:25,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 09:35:25,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:25,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 09:35:25,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-24 09:35:25,802 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 336 [2021-03-24 09:35:25,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 183 transitions, 2209 flow. Second operand has 9 states, 9 states have (on average 228.77777777777777) internal successors, (2059), 9 states have internal predecessors, (2059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:25,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:25,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 336 [2021-03-24 09:35:25,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:27,380 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][59], [389#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 513#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 517#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 503#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 511#(and (not (= thread3Thread1of1ForFork0_thidvar0 (select (select (store |#memory_int| ~v~0.base (store (select |#memory_int| ~v~0.base) ~v~0.offset 89)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 391#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 393#(and (not |ULTIMATE.start_main_#t~short21|) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 395#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 403#true, 537#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), 283#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21|), Black: 416#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 42#L1156-1true, Black: 420#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 422#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 424#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 411#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 281#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 310#(= |ULTIMATE.start_main_#t~mem18| 5), 319#true, Black: 440#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 442#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 444#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 451#true, Black: 321#(= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89), Black: 323#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 464#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 466#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 468#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 343#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 457#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 334#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 462#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 360#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 482#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 486#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0))), 492#true, 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 356#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 231#true, Black: 358#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 366#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 125#L1164-2true]) [2021-03-24 09:35:27,380 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:27,380 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:27,380 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:27,381 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:27,383 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][88], [Black: 513#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 517#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 503#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), 393#(and (not |ULTIMATE.start_main_#t~short21|) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 511#(and (not (= thread3Thread1of1ForFork0_thidvar0 (select (select (store |#memory_int| ~v~0.base (store (select |#memory_int| ~v~0.base) ~v~0.offset 89)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 391#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 395#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 403#true, 533#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), 279#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 416#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 42#L1156-1true, Black: 420#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 422#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 424#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 411#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 281#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 310#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 440#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 442#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 444#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 322#(and (not |ULTIMATE.start_main_#t~short21|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 451#true, Black: 321#(= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89), Black: 323#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 464#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 466#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 468#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 343#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 457#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 334#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 462#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 356#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 482#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 486#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0))), 492#true, Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 358#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 366#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 125#L1164-2true]) [2021-03-24 09:35:27,383 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:27,383 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:27,383 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:27,383 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:27,460 INFO L129 PetriNetUnfolder]: 10843/17075 cut-off events. [2021-03-24 09:35:27,460 INFO L130 PetriNetUnfolder]: For 151391/153293 co-relation queries the response was YES. [2021-03-24 09:35:27,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81147 conditions, 17075 events. 10843/17075 cut-off events. For 151391/153293 co-relation queries the response was YES. Maximal size of possible extension queue 941. Compared 121398 event pairs, 764 based on Foata normal form. 725/14607 useless extension candidates. Maximal degree in co-relation 79039. Up to 5385 conditions per place. [2021-03-24 09:35:27,645 INFO L132 encePairwiseOnDemand]: 325/336 looper letters, 103 selfloop transitions, 48 changer transitions 76/280 dead transitions. [2021-03-24 09:35:27,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 280 transitions, 3673 flow [2021-03-24 09:35:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 09:35:27,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 09:35:27,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2600 transitions. [2021-03-24 09:35:27,649 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7034632034632035 [2021-03-24 09:35:27,649 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2600 transitions. [2021-03-24 09:35:27,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2600 transitions. [2021-03-24 09:35:27,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:27,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2600 transitions. [2021-03-24 09:35:27,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 236.36363636363637) internal successors, (2600), 11 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:27,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:27,653 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:27,653 INFO L185 Difference]: Start difference. First operand has 157 places, 183 transitions, 2209 flow. Second operand 11 states and 2600 transitions. [2021-03-24 09:35:27,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 280 transitions, 3673 flow [2021-03-24 09:35:28,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 280 transitions, 3558 flow, removed 16 selfloop flow, removed 10 redundant places. [2021-03-24 09:35:28,090 INFO L241 Difference]: Finished difference. Result has 165 places, 186 transitions, 2383 flow [2021-03-24 09:35:28,090 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2102, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2383, PETRI_PLACES=165, PETRI_TRANSITIONS=186} [2021-03-24 09:35:28,091 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 101 predicate places. [2021-03-24 09:35:28,091 INFO L480 AbstractCegarLoop]: Abstraction has has 165 places, 186 transitions, 2383 flow [2021-03-24 09:35:28,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 228.77777777777777) internal successors, (2059), 9 states have internal predecessors, (2059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:28,091 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:28,091 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:28,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-24 09:35:28,091 INFO L428 AbstractCegarLoop]: === Iteration 18 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:28,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:28,092 INFO L82 PathProgramCache]: Analyzing trace with hash -481305446, now seen corresponding path program 1 times [2021-03-24 09:35:28,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:28,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239254675] [2021-03-24 09:35:28,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:28,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:28,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:28,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:28,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 09:35:28,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:28,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 09:35:28,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:28,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 09:35:28,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:28,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 09:35:28,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:28,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 09:35:28,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:28,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:35:28,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:28,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:35:28,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:28,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:35:28,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:28,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:35:28,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:28,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:35:28,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:28,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:28,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:28,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:28,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239254675] [2021-03-24 09:35:28,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:28,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 09:35:28,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144205741] [2021-03-24 09:35:28,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 09:35:28,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:28,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 09:35:28,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-24 09:35:28,321 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 336 [2021-03-24 09:35:28,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 186 transitions, 2383 flow. Second operand has 12 states, 12 states have (on average 186.5) internal successors, (2238), 12 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:28,322 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:28,322 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 336 [2021-03-24 09:35:28,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:31,904 INFO L129 PetriNetUnfolder]: 17201/24596 cut-off events. [2021-03-24 09:35:31,904 INFO L130 PetriNetUnfolder]: For 288614/289665 co-relation queries the response was YES. [2021-03-24 09:35:32,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125506 conditions, 24596 events. 17201/24596 cut-off events. For 288614/289665 co-relation queries the response was YES. Maximal size of possible extension queue 1197. Compared 153339 event pairs, 2796 based on Foata normal form. 206/18996 useless extension candidates. Maximal degree in co-relation 119449. Up to 17498 conditions per place. [2021-03-24 09:35:32,078 INFO L132 encePairwiseOnDemand]: 324/336 looper letters, 202 selfloop transitions, 51 changer transitions 19/305 dead transitions. [2021-03-24 09:35:32,079 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 305 transitions, 4747 flow [2021-03-24 09:35:32,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 09:35:32,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 09:35:32,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2145 transitions. [2021-03-24 09:35:32,080 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5803571428571429 [2021-03-24 09:35:32,080 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2145 transitions. [2021-03-24 09:35:32,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2145 transitions. [2021-03-24 09:35:32,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:32,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2145 transitions. [2021-03-24 09:35:32,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 195.0) internal successors, (2145), 11 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:32,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:32,084 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:32,085 INFO L185 Difference]: Start difference. First operand has 165 places, 186 transitions, 2383 flow. Second operand 11 states and 2145 transitions. [2021-03-24 09:35:32,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 305 transitions, 4747 flow [2021-03-24 09:35:32,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 305 transitions, 4640 flow, removed 39 selfloop flow, removed 7 redundant places. [2021-03-24 09:35:32,922 INFO L241 Difference]: Finished difference. Result has 166 places, 196 transitions, 2640 flow [2021-03-24 09:35:32,923 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2314, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2640, PETRI_PLACES=166, PETRI_TRANSITIONS=196} [2021-03-24 09:35:32,923 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 102 predicate places. [2021-03-24 09:35:32,923 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 196 transitions, 2640 flow [2021-03-24 09:35:32,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 186.5) internal successors, (2238), 12 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:32,923 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:32,923 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:32,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-24 09:35:32,923 INFO L428 AbstractCegarLoop]: === Iteration 19 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:32,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:32,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1782643601, now seen corresponding path program 1 times [2021-03-24 09:35:32,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:32,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500029915] [2021-03-24 09:35:32,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:32,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:32,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:32,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:32,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 09:35:32,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:32,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 09:35:32,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:32,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 09:35:32,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:32,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 09:35:32,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:32,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:35:33,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:33,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:35:33,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:33,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:35:33,055 INFO L142 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-03-24 09:35:33,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:35:33,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:33,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:33,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:33,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:33,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:33,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500029915] [2021-03-24 09:35:33,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:33,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 09:35:33,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517611411] [2021-03-24 09:35:33,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 09:35:33,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:33,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 09:35:33,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-24 09:35:33,075 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 336 [2021-03-24 09:35:33,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 196 transitions, 2640 flow. Second operand has 10 states, 10 states have (on average 189.8) internal successors, (1898), 10 states have internal predecessors, (1898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:33,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:33,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 336 [2021-03-24 09:35:33,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:36,041 INFO L129 PetriNetUnfolder]: 17349/24930 cut-off events. [2021-03-24 09:35:36,041 INFO L130 PetriNetUnfolder]: For 288137/290025 co-relation queries the response was YES. [2021-03-24 09:35:36,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124689 conditions, 24930 events. 17349/24930 cut-off events. For 288137/290025 co-relation queries the response was YES. Maximal size of possible extension queue 1226. Compared 157655 event pairs, 3774 based on Foata normal form. 169/18918 useless extension candidates. Maximal degree in co-relation 119379. Up to 17420 conditions per place. [2021-03-24 09:35:36,274 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 188 selfloop transitions, 24 changer transitions 3/253 dead transitions. [2021-03-24 09:35:36,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 253 transitions, 3868 flow [2021-03-24 09:35:36,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 09:35:36,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 09:35:36,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1957 transitions. [2021-03-24 09:35:36,276 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5824404761904762 [2021-03-24 09:35:36,276 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1957 transitions. [2021-03-24 09:35:36,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1957 transitions. [2021-03-24 09:35:36,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:36,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1957 transitions. [2021-03-24 09:35:36,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 195.7) internal successors, (1957), 10 states have internal predecessors, (1957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:36,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:36,280 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:36,280 INFO L185 Difference]: Start difference. First operand has 166 places, 196 transitions, 2640 flow. Second operand 10 states and 1957 transitions. [2021-03-24 09:35:36,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 253 transitions, 3868 flow [2021-03-24 09:35:37,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 253 transitions, 3757 flow, removed 19 selfloop flow, removed 8 redundant places. [2021-03-24 09:35:37,006 INFO L241 Difference]: Finished difference. Result has 170 places, 202 transitions, 2727 flow [2021-03-24 09:35:37,006 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2544, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2727, PETRI_PLACES=170, PETRI_TRANSITIONS=202} [2021-03-24 09:35:37,007 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 106 predicate places. [2021-03-24 09:35:37,007 INFO L480 AbstractCegarLoop]: Abstraction has has 170 places, 202 transitions, 2727 flow [2021-03-24 09:35:37,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 189.8) internal successors, (1898), 10 states have internal predecessors, (1898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:37,007 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:37,007 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:37,007 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-24 09:35:37,007 INFO L428 AbstractCegarLoop]: === Iteration 20 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:37,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:37,008 INFO L82 PathProgramCache]: Analyzing trace with hash -69224039, now seen corresponding path program 2 times [2021-03-24 09:35:37,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:37,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529937038] [2021-03-24 09:35:37,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:37,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:37,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:37,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:37,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 09:35:37,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:37,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:35:37,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:37,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:35:37,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:37,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:35:37,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:37,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:35:37,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:37,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:37,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:37,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:37,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:37,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:37,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:37,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529937038] [2021-03-24 09:35:37,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:37,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 09:35:37,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210981518] [2021-03-24 09:35:37,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 09:35:37,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:37,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 09:35:37,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-24 09:35:37,117 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 336 [2021-03-24 09:35:37,118 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 202 transitions, 2727 flow. Second operand has 10 states, 10 states have (on average 225.7) internal successors, (2257), 10 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:37,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:37,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 336 [2021-03-24 09:35:37,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:39,546 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][89], [389#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 513#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 517#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 503#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 511#(and (not (= thread3Thread1of1ForFork0_thidvar0 (select (select (store |#memory_int| ~v~0.base (store (select |#memory_int| ~v~0.base) ~v~0.offset 89)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 391#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 393#(and (not |ULTIMATE.start_main_#t~short21|) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 395#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 403#true, 537#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), 283#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21|), Black: 533#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 535#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 416#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 42#L1156-1true, Black: 420#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 422#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 424#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 411#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 281#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 310#(= |ULTIMATE.start_main_#t~mem18| 5), 319#true, Black: 440#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 444#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 451#true, Black: 321#(= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89), Black: 580#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (or (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread3Thread1of1ForFork0_thidvar0 2)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 323#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 582#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (or (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread3Thread1of1ForFork0_thidvar0 2)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 568#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), 587#true, Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 464#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 466#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 468#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 343#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 457#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 462#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 334#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 608#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)) (or (and (= thread2Thread1of1ForFork5_thidvar0 1) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)))), Black: 596#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 604#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (or (and (= thread2Thread1of1ForFork5_thidvar0 1) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)))), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 360#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 482#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 486#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0))), 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), 628#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 356#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 358#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 231#true, Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 125#L1164-2true]) [2021-03-24 09:35:39,546 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:39,546 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:39,547 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:39,547 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:39,548 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][92], [Black: 513#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 517#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 503#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), 393#(and (not |ULTIMATE.start_main_#t~short21|) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 511#(and (not (= thread3Thread1of1ForFork0_thidvar0 (select (select (store |#memory_int| ~v~0.base (store (select |#memory_int| ~v~0.base) ~v~0.offset 89)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 391#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 395#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 403#true, 533#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), 279#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 535#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), 42#L1156-1true, Black: 416#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 420#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 422#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 424#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 411#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 281#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 310#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 440#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 444#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 322#(and (not |ULTIMATE.start_main_#t~short21|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), 451#true, Black: 321#(= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89), Black: 323#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 580#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (or (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread3Thread1of1ForFork0_thidvar0 2)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 582#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (or (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread3Thread1of1ForFork0_thidvar0 2)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 568#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), 587#true, Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 464#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 466#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 468#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 343#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 457#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 462#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 334#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 608#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)) (or (and (= thread2Thread1of1ForFork5_thidvar0 1) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)))), Black: 596#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 356#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 604#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (or (and (= thread2Thread1of1ForFork5_thidvar0 1) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)))), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 482#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 486#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0))), 624#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 358#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 125#L1164-2true]) [2021-03-24 09:35:39,548 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:39,548 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:39,548 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:39,548 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:39,628 INFO L129 PetriNetUnfolder]: 12763/19937 cut-off events. [2021-03-24 09:35:39,628 INFO L130 PetriNetUnfolder]: For 248803/251281 co-relation queries the response was YES. [2021-03-24 09:35:39,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104164 conditions, 19937 events. 12763/19937 cut-off events. For 248803/251281 co-relation queries the response was YES. Maximal size of possible extension queue 1069. Compared 142054 event pairs, 743 based on Foata normal form. 915/16833 useless extension candidates. Maximal degree in co-relation 97668. Up to 6269 conditions per place. [2021-03-24 09:35:39,829 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 153 selfloop transitions, 82 changer transitions 11/299 dead transitions. [2021-03-24 09:35:39,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 299 transitions, 4450 flow [2021-03-24 09:35:39,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 09:35:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 09:35:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2563 transitions. [2021-03-24 09:35:39,832 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6934523809523809 [2021-03-24 09:35:39,832 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2563 transitions. [2021-03-24 09:35:39,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2563 transitions. [2021-03-24 09:35:39,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:39,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2563 transitions. [2021-03-24 09:35:39,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 233.0) internal successors, (2563), 11 states have internal predecessors, (2563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:39,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:39,836 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:39,836 INFO L185 Difference]: Start difference. First operand has 170 places, 202 transitions, 2727 flow. Second operand 11 states and 2563 transitions. [2021-03-24 09:35:39,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 299 transitions, 4450 flow [2021-03-24 09:35:40,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 299 transitions, 4396 flow, removed 6 selfloop flow, removed 7 redundant places. [2021-03-24 09:35:40,457 INFO L241 Difference]: Finished difference. Result has 178 places, 242 transitions, 3844 flow [2021-03-24 09:35:40,457 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2675, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3844, PETRI_PLACES=178, PETRI_TRANSITIONS=242} [2021-03-24 09:35:40,458 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 114 predicate places. [2021-03-24 09:35:40,458 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 242 transitions, 3844 flow [2021-03-24 09:35:40,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 225.7) internal successors, (2257), 10 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:40,458 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:40,458 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:40,458 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-24 09:35:40,458 INFO L428 AbstractCegarLoop]: === Iteration 21 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:40,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:40,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1774625428, now seen corresponding path program 1 times [2021-03-24 09:35:40,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:40,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404718695] [2021-03-24 09:35:40,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:40,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:40,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:40,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:40,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 09:35:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:40,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:40,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:35:40,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:40,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:40,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:40,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 09:35:40,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:40,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:40,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:40,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404718695] [2021-03-24 09:35:40,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:40,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 09:35:40,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390052598] [2021-03-24 09:35:40,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 09:35:40,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:40,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 09:35:40,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-24 09:35:40,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 336 [2021-03-24 09:35:40,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 242 transitions, 3844 flow. Second operand has 8 states, 8 states have (on average 232.125) internal successors, (1857), 8 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:40,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:40,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 336 [2021-03-24 09:35:40,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:43,131 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][104], [Black: 626#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 628#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 630#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 634#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 513#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 517#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), 393#(and (not |ULTIMATE.start_main_#t~short21|) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 503#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 511#(and (not (= thread3Thread1of1ForFork0_thidvar0 (select (select (store |#memory_int| ~v~0.base (store (select |#memory_int| ~v~0.base) ~v~0.offset 89)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 391#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 395#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 658#(and (not |ULTIMATE.start_main_#t~short21|) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), 403#true, 533#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), 279#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 535#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 416#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 42#L1156-1true, Black: 420#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 422#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 424#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 411#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 281#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 310#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 440#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 322#(and (not |ULTIMATE.start_main_#t~short21|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 444#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 451#true, Black: 321#(= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89), Black: 580#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (or (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread3Thread1of1ForFork0_thidvar0 2)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 323#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 582#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (or (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread3Thread1of1ForFork0_thidvar0 2)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 568#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 464#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 466#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 468#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 343#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 457#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 462#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 334#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 608#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)) (or (and (= thread2Thread1of1ForFork5_thidvar0 1) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)))), Black: 596#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 604#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (or (and (= thread2Thread1of1ForFork5_thidvar0 1) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)))), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), 356#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 482#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 486#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0))), 624#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 358#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 125#L1164-2true]) [2021-03-24 09:35:43,131 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:43,131 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:43,131 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:43,131 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:43,185 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][88], [Black: 624#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 626#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 630#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 634#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 389#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 513#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 517#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 503#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 511#(and (not (= thread3Thread1of1ForFork0_thidvar0 (select (select (store |#memory_int| ~v~0.base (store (select |#memory_int| ~v~0.base) ~v~0.offset 89)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), 654#(and (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|)), Black: 391#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 393#(and (not |ULTIMATE.start_main_#t~short21|) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 395#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 403#true, 537#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), 283#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) |ULTIMATE.start_main_#t~short21|), Black: 533#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 535#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 416#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 42#L1156-1true, Black: 420#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 422#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 424#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 411#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 281#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 310#(= |ULTIMATE.start_main_#t~mem18| 5), 319#true, Black: 440#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 444#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 451#true, Black: 321#(= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89), Black: 580#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (or (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread3Thread1of1ForFork0_thidvar0 2)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 323#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 582#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (or (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread3Thread1of1ForFork0_thidvar0 2)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 568#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 464#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 466#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 468#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 343#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 457#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 462#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 334#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 608#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)) (or (and (= thread2Thread1of1ForFork5_thidvar0 1) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)))), Black: 596#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 604#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (or (and (= thread2Thread1of1ForFork5_thidvar0 1) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)))), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 360#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 482#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 486#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0))), 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), 628#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 356#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 358#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 231#true, Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 125#L1164-2true]) [2021-03-24 09:35:43,185 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:43,185 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:43,185 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:43,185 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:43,228 INFO L129 PetriNetUnfolder]: 13459/21116 cut-off events. [2021-03-24 09:35:43,229 INFO L130 PetriNetUnfolder]: For 368771/371774 co-relation queries the response was YES. [2021-03-24 09:35:43,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119797 conditions, 21116 events. 13459/21116 cut-off events. For 368771/371774 co-relation queries the response was YES. Maximal size of possible extension queue 1133. Compared 152906 event pairs, 1294 based on Foata normal form. 886/17692 useless extension candidates. Maximal degree in co-relation 112089. Up to 8328 conditions per place. [2021-03-24 09:35:43,442 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 149 selfloop transitions, 81 changer transitions 9/292 dead transitions. [2021-03-24 09:35:43,442 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 292 transitions, 4905 flow [2021-03-24 09:35:43,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 09:35:43,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 09:35:43,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1916 transitions. [2021-03-24 09:35:43,444 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7127976190476191 [2021-03-24 09:35:43,444 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1916 transitions. [2021-03-24 09:35:43,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1916 transitions. [2021-03-24 09:35:43,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:43,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1916 transitions. [2021-03-24 09:35:43,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 239.5) internal successors, (1916), 8 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:43,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:43,447 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:43,447 INFO L185 Difference]: Start difference. First operand has 178 places, 242 transitions, 3844 flow. Second operand 8 states and 1916 transitions. [2021-03-24 09:35:43,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 292 transitions, 4905 flow [2021-03-24 09:35:44,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 292 transitions, 4834 flow, removed 33 selfloop flow, removed 2 redundant places. [2021-03-24 09:35:44,394 INFO L241 Difference]: Finished difference. Result has 187 places, 255 transitions, 4379 flow [2021-03-24 09:35:44,394 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=3779, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4379, PETRI_PLACES=187, PETRI_TRANSITIONS=255} [2021-03-24 09:35:44,394 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 123 predicate places. [2021-03-24 09:35:44,394 INFO L480 AbstractCegarLoop]: Abstraction has has 187 places, 255 transitions, 4379 flow [2021-03-24 09:35:44,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 232.125) internal successors, (1857), 8 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:44,395 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:44,395 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:44,395 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-24 09:35:44,395 INFO L428 AbstractCegarLoop]: === Iteration 22 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:44,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:44,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1134360332, now seen corresponding path program 2 times [2021-03-24 09:35:44,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:44,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627165789] [2021-03-24 09:35:44,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:44,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:44,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:44,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:44,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 09:35:44,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:44,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 09:35:44,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:44,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:35:44,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:44,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:35:44,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:44,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:44,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:44,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:44,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:44,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:44,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:44,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627165789] [2021-03-24 09:35:44,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:44,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 09:35:44,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325373102] [2021-03-24 09:35:44,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 09:35:44,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:44,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 09:35:44,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-24 09:35:44,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 336 [2021-03-24 09:35:44,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 255 transitions, 4379 flow. Second operand has 8 states, 8 states have (on average 220.125) internal successors, (1761), 8 states have internal predecessors, (1761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:44,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:44,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 336 [2021-03-24 09:35:44,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:47,217 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([488] L1163-2-->L1164-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem19_19| (select (select |v_#memory_int_107| v_~v~0.base_35) v_~v~0.offset_35)) (let ((.cse0 (= 88 |v_ULTIMATE.start_main_#t~mem19_19|))) (or (and .cse0 |v_ULTIMATE.start_main_#t~short21_26|) (and (not |v_ULTIMATE.start_main_#t~short21_26|) (not .cse0))))) InVars {~v~0.offset=v_~v~0.offset_35, #memory_int=|v_#memory_int_107|, ~v~0.base=v_~v~0.base_35} OutVars{~v~0.offset=v_~v~0.offset_35, ULTIMATE.start_main_#t~mem19=|v_ULTIMATE.start_main_#t~mem19_19|, #memory_int=|v_#memory_int_107|, ULTIMATE.start_main_#t~mem18=|v_ULTIMATE.start_main_#t~mem18_34|, ULTIMATE.start_main_#t~short21=|v_ULTIMATE.start_main_#t~short21_26|, ~v~0.base=v_~v~0.base_35} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19, ULTIMATE.start_main_#t~mem18, ULTIMATE.start_main_#t~short21][102], [Black: 626#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 628#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 630#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 634#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) |ULTIMATE.start_main_#t~short21| (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 513#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 517#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), 393#(and (not |ULTIMATE.start_main_#t~short21|) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), Black: 503#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 511#(and (not (= thread3Thread1of1ForFork0_thidvar0 (select (select (store |#memory_int| ~v~0.base (store (select |#memory_int| ~v~0.base) ~v~0.offset 89)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (and (= thread3Thread1of1ForFork0_thidvar0 2) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)))), Black: 257#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 266#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 391#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 395#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 658#(and (not |ULTIMATE.start_main_#t~short21|) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), 403#true, 533#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), 279#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 656#(and (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t5~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t5~0.base|) |thread0Thread1of1ForFork4_~#t5~0.offset| 4)) ~v~0.base) ~v~0.offset) 89) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|)), Black: 660#(and (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t5~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t5~0.base|) |thread0Thread1of1ForFork4_~#t5~0.offset| 4)) ~v~0.base) ~v~0.offset) 89) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 662#(and (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 679#(and (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (= (select |#valid| |thread0Thread1of1ForFork4_~#t5~0.base|) 1) (= (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset) 89) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 535#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), 42#L1156-1true, Black: 416#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 420#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 422#(and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 424#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 411#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 281#(and (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t3~0.base|) |thread0Thread1of1ForFork4_~#t3~0.offset| 2)) ~v~0.base) ~v~0.offset)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|)), Black: 310#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 440#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 183#(not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)), Black: 444#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 187#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread1Thread1of1ForFork3_thidvar0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), 322#(and (not |ULTIMATE.start_main_#t~short21|) (= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89)), 451#true, Black: 321#(= (select (select |#memory_int| ~v~0.base) ~v~0.offset) 89), Black: 323#(not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0)), Black: 580#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (or (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread3Thread1of1ForFork0_thidvar0 2)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 582#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#t~0.base|) (or (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|) (and (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|)) (not (= |thread0Thread1of1ForFork4_~#t3~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= thread3Thread1of1ForFork0_thidvar0 2)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)) (or (not (= |ULTIMATE.start_main_~#t~0.base| |thread0Thread1of1ForFork4_~#t4~0.base|)) (= |thread0Thread1of1ForFork4_~#t4~0.offset| |ULTIMATE.start_main_~#t~0.offset|))), Black: 568#(not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0)), Black: 199#(= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5), Black: 200#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 205#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 464#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 466#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 468#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0))), Black: 343#(and (= |ULTIMATE.start_main_#t~mem18| 5) (not (= |ULTIMATE.start_main_#t~mem18| thread3Thread1of1ForFork0_thidvar0))), Black: 457#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 462#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 334#(= |ULTIMATE.start_main_#t~mem18| 5), Black: 608#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)) (or (and (= thread2Thread1of1ForFork5_thidvar0 1) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)))), Black: 596#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), 356#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 226#(and (not (= |ULTIMATE.start_main_#t~mem18| thread1Thread1of1ForFork3_thidvar0)) (= |ULTIMATE.start_main_#t~mem18| 5)), Black: 604#(and (or (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|) (= 5 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t2~0.base|) |thread0Thread1of1ForFork4_~#t2~0.offset| 1)) |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|))) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0)) (or (and (= thread2Thread1of1ForFork5_thidvar0 1) (= ~v~0.offset |ULTIMATE.start_main_~#t~0.offset|)) (not (= ~v~0.base |ULTIMATE.start_main_~#t~0.base|)))), Black: 218#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 222#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= |ULTIMATE.start_main_#t~mem18| 5) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1)), Black: 482#(not (= |ULTIMATE.start_main_#t~mem18| thread2Thread1of1ForFork5_thidvar0)), Black: 486#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) 5) (not (= |thread0Thread1of1ForFork4_~#t1~0.base| |ULTIMATE.start_main_~#t~0.base|)) (not (= |thread0Thread1of1ForFork4_~#t2~0.base| |ULTIMATE.start_main_~#t~0.base|)) (= (select |#valid| |ULTIMATE.start_main_~#t~0.base|) 1) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~#t~0.base|) |ULTIMATE.start_main_~#t~0.offset|) thread2Thread1of1ForFork5_thidvar0))), 624#(and (not (= |thread0Thread1of1ForFork4_~#t3~0.base| ~v~0.base)) (not (= |thread0Thread1of1ForFork4_~#t5~0.base| ~v~0.base)) (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t3~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t5~0.base|) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|)), Black: 241#(and |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), Black: 358#(and (not (= ~v~0.base |thread0Thread1of1ForFork4_~#t4~0.base|)) (<= (+ |#StackHeapBarrier| 1) |thread0Thread1of1ForFork4_~#t4~0.base|) (= 88 (select (select (store |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base| (store (select |#memory_int| |thread0Thread1of1ForFork4_~#t4~0.base|) |thread0Thread1of1ForFork4_~#t4~0.offset| 3)) ~v~0.base) ~v~0.offset))), Black: 233#(= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)), Black: 234#|ULTIMATE.start_main_#t~short21|, Black: 237#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21|), Black: 239#(and (= 88 (select (select |#memory_int| ~v~0.base) ~v~0.offset)) |ULTIMATE.start_main_#t~short21| (not (= |ULTIMATE.start___VERIFIER_assert_#in~expression| 0))), 125#L1164-2true]) [2021-03-24 09:35:47,218 INFO L384 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2021-03-24 09:35:47,218 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:47,218 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:47,218 INFO L387 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2021-03-24 09:35:47,348 INFO L129 PetriNetUnfolder]: 13501/21150 cut-off events. [2021-03-24 09:35:47,349 INFO L130 PetriNetUnfolder]: For 411615/415363 co-relation queries the response was YES. [2021-03-24 09:35:47,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125646 conditions, 21150 events. 13501/21150 cut-off events. For 411615/415363 co-relation queries the response was YES. Maximal size of possible extension queue 1150. Compared 153009 event pairs, 1152 based on Foata normal form. 1406/18363 useless extension candidates. Maximal degree in co-relation 117554. Up to 7531 conditions per place. [2021-03-24 09:35:47,568 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 187 selfloop transitions, 84 changer transitions 11/335 dead transitions. [2021-03-24 09:35:47,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 335 transitions, 5906 flow [2021-03-24 09:35:47,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 09:35:47,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 09:35:47,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2496 transitions. [2021-03-24 09:35:47,570 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6753246753246753 [2021-03-24 09:35:47,570 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2496 transitions. [2021-03-24 09:35:47,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2496 transitions. [2021-03-24 09:35:47,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:47,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2496 transitions. [2021-03-24 09:35:47,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 226.9090909090909) internal successors, (2496), 11 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:47,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:47,575 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:47,575 INFO L185 Difference]: Start difference. First operand has 187 places, 255 transitions, 4379 flow. Second operand 11 states and 2496 transitions. [2021-03-24 09:35:47,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 335 transitions, 5906 flow [2021-03-24 09:35:48,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 335 transitions, 5785 flow, removed 58 selfloop flow, removed 2 redundant places. [2021-03-24 09:35:48,981 INFO L241 Difference]: Finished difference. Result has 199 places, 278 transitions, 5073 flow [2021-03-24 09:35:48,981 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=4264, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5073, PETRI_PLACES=199, PETRI_TRANSITIONS=278} [2021-03-24 09:35:48,981 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 135 predicate places. [2021-03-24 09:35:48,981 INFO L480 AbstractCegarLoop]: Abstraction has has 199 places, 278 transitions, 5073 flow [2021-03-24 09:35:48,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 220.125) internal successors, (1761), 8 states have internal predecessors, (1761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:48,981 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:48,981 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:48,981 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-24 09:35:48,982 INFO L428 AbstractCegarLoop]: === Iteration 23 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:48,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:48,982 INFO L82 PathProgramCache]: Analyzing trace with hash -805435970, now seen corresponding path program 1 times [2021-03-24 09:35:48,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:48,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676819291] [2021-03-24 09:35:48,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:49,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:49,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:49,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:49,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 09:35:49,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:49,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:35:49,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:49,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 09:35:49,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:49,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 09:35:49,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:49,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 09:35:49,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:49,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 09:35:49,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:49,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:35:49,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:49,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 09:35:49,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:49,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 09:35:49,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:49,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 09:35:49,240 INFO L142 QuantifierPusher]: treesize reduction 14, result has 36.4 percent of original size [2021-03-24 09:35:49,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:35:49,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:49,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:49,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:49,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:49,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:49,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676819291] [2021-03-24 09:35:49,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:49,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-24 09:35:49,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774972429] [2021-03-24 09:35:49,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 09:35:49,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:49,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 09:35:49,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-03-24 09:35:49,260 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 336 [2021-03-24 09:35:49,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 278 transitions, 5073 flow. Second operand has 13 states, 13 states have (on average 184.46153846153845) internal successors, (2398), 13 states have internal predecessors, (2398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:49,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:49,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 336 [2021-03-24 09:35:49,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:53,601 INFO L129 PetriNetUnfolder]: 20972/30405 cut-off events. [2021-03-24 09:35:53,601 INFO L130 PetriNetUnfolder]: For 605248/608932 co-relation queries the response was YES. [2021-03-24 09:35:53,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 186679 conditions, 30405 events. 20972/30405 cut-off events. For 605248/608932 co-relation queries the response was YES. Maximal size of possible extension queue 1480. Compared 201607 event pairs, 2945 based on Foata normal form. 348/23709 useless extension candidates. Maximal degree in co-relation 179050. Up to 21976 conditions per place. [2021-03-24 09:35:53,898 INFO L132 encePairwiseOnDemand]: 324/336 looper letters, 264 selfloop transitions, 42 changer transitions 33/372 dead transitions. [2021-03-24 09:35:53,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 372 transitions, 7687 flow [2021-03-24 09:35:53,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 09:35:53,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 09:35:53,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1917 transitions. [2021-03-24 09:35:53,900 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5705357142857143 [2021-03-24 09:35:53,900 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1917 transitions. [2021-03-24 09:35:53,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1917 transitions. [2021-03-24 09:35:53,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:35:53,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1917 transitions. [2021-03-24 09:35:53,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 191.7) internal successors, (1917), 10 states have internal predecessors, (1917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:53,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:53,903 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:53,903 INFO L185 Difference]: Start difference. First operand has 199 places, 278 transitions, 5073 flow. Second operand 10 states and 1917 transitions. [2021-03-24 09:35:53,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 372 transitions, 7687 flow [2021-03-24 09:35:56,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 372 transitions, 7640 flow, removed 21 selfloop flow, removed 2 redundant places. [2021-03-24 09:35:56,214 INFO L241 Difference]: Finished difference. Result has 208 places, 276 transitions, 5089 flow [2021-03-24 09:35:56,214 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=5042, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5089, PETRI_PLACES=208, PETRI_TRANSITIONS=276} [2021-03-24 09:35:56,214 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 144 predicate places. [2021-03-24 09:35:56,214 INFO L480 AbstractCegarLoop]: Abstraction has has 208 places, 276 transitions, 5089 flow [2021-03-24 09:35:56,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 184.46153846153845) internal successors, (2398), 13 states have internal predecessors, (2398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:56,215 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:35:56,215 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:35:56,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-24 09:35:56,215 INFO L428 AbstractCegarLoop]: === Iteration 24 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:35:56,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:35:56,215 INFO L82 PathProgramCache]: Analyzing trace with hash -998445688, now seen corresponding path program 1 times [2021-03-24 09:35:56,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:35:56,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919432128] [2021-03-24 09:35:56,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:35:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:35:56,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:56,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:56,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:56,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:35:56,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:56,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:35:56,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:56,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:35:56,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:35:56,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:35:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:35:56,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919432128] [2021-03-24 09:35:56,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:35:56,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 09:35:56,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500233185] [2021-03-24 09:35:56,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 09:35:56,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:35:56,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 09:35:56,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 09:35:56,247 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 336 [2021-03-24 09:35:56,248 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 276 transitions, 5089 flow. Second operand has 5 states, 5 states have (on average 233.0) internal successors, (1165), 5 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:35:56,248 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:35:56,248 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 336 [2021-03-24 09:35:56,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:35:59,638 INFO L129 PetriNetUnfolder]: 18025/26192 cut-off events. [2021-03-24 09:35:59,638 INFO L130 PetriNetUnfolder]: For 568178/569140 co-relation queries the response was YES. [2021-03-24 09:36:00,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161395 conditions, 26192 events. 18025/26192 cut-off events. For 568178/569140 co-relation queries the response was YES. Maximal size of possible extension queue 1350. Compared 171463 event pairs, 4206 based on Foata normal form. 205/20031 useless extension candidates. Maximal degree in co-relation 155095. Up to 20351 conditions per place. [2021-03-24 09:36:00,188 INFO L132 encePairwiseOnDemand]: 329/336 looper letters, 263 selfloop transitions, 8 changer transitions 17/333 dead transitions. [2021-03-24 09:36:00,188 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 333 transitions, 6724 flow [2021-03-24 09:36:00,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 09:36:00,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 09:36:00,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1444 transitions. [2021-03-24 09:36:00,190 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7162698412698413 [2021-03-24 09:36:00,190 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1444 transitions. [2021-03-24 09:36:00,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1444 transitions. [2021-03-24 09:36:00,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:36:00,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1444 transitions. [2021-03-24 09:36:00,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 240.66666666666666) internal successors, (1444), 6 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:00,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 336.0) internal successors, (2352), 7 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:00,194 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 336.0) internal successors, (2352), 7 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:00,194 INFO L185 Difference]: Start difference. First operand has 208 places, 276 transitions, 5089 flow. Second operand 6 states and 1444 transitions. [2021-03-24 09:36:00,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 333 transitions, 6724 flow [2021-03-24 09:36:01,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 333 transitions, 6608 flow, removed 25 selfloop flow, removed 7 redundant places. [2021-03-24 09:36:01,643 INFO L241 Difference]: Finished difference. Result has 208 places, 275 transitions, 4971 flow [2021-03-24 09:36:01,644 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=4941, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4971, PETRI_PLACES=208, PETRI_TRANSITIONS=275} [2021-03-24 09:36:01,644 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 144 predicate places. [2021-03-24 09:36:01,644 INFO L480 AbstractCegarLoop]: Abstraction has has 208 places, 275 transitions, 4971 flow [2021-03-24 09:36:01,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 233.0) internal successors, (1165), 5 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:01,644 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:36:01,644 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:36:01,644 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-24 09:36:01,644 INFO L428 AbstractCegarLoop]: === Iteration 25 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:36:01,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:36:01,644 INFO L82 PathProgramCache]: Analyzing trace with hash 933167372, now seen corresponding path program 2 times [2021-03-24 09:36:01,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:36:01,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993364578] [2021-03-24 09:36:01,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:36:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:36:01,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:01,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:01,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:01,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:36:01,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:01,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:36:01,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:01,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 09:36:01,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:01,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:36:01,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:01,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:36:01,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:01,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:01,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:36:01,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993364578] [2021-03-24 09:36:01,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:36:01,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 09:36:01,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939252766] [2021-03-24 09:36:01,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 09:36:01,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:36:01,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 09:36:01,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-24 09:36:01,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 336 [2021-03-24 09:36:01,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 275 transitions, 4971 flow. Second operand has 6 states, 6 states have (on average 194.16666666666666) internal successors, (1165), 6 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:01,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:36:01,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 336 [2021-03-24 09:36:01,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:36:05,036 INFO L129 PetriNetUnfolder]: 17585/25593 cut-off events. [2021-03-24 09:36:05,037 INFO L130 PetriNetUnfolder]: For 532153/532713 co-relation queries the response was YES. [2021-03-24 09:36:05,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155920 conditions, 25593 events. 17585/25593 cut-off events. For 532153/532713 co-relation queries the response was YES. Maximal size of possible extension queue 1303. Compared 167036 event pairs, 4159 based on Foata normal form. 234/19639 useless extension candidates. Maximal degree in co-relation 149459. Up to 17860 conditions per place. [2021-03-24 09:36:05,530 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 255 selfloop transitions, 18 changer transitions 17/330 dead transitions. [2021-03-24 09:36:05,530 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 330 transitions, 6566 flow [2021-03-24 09:36:05,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 09:36:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 09:36:05,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1599 transitions. [2021-03-24 09:36:05,532 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5948660714285714 [2021-03-24 09:36:05,532 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1599 transitions. [2021-03-24 09:36:05,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1599 transitions. [2021-03-24 09:36:05,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:36:05,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1599 transitions. [2021-03-24 09:36:05,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 199.875) internal successors, (1599), 8 states have internal predecessors, (1599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:05,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:05,536 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:05,536 INFO L185 Difference]: Start difference. First operand has 208 places, 275 transitions, 4971 flow. Second operand 8 states and 1599 transitions. [2021-03-24 09:36:05,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 330 transitions, 6566 flow [2021-03-24 09:36:07,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 330 transitions, 6519 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-03-24 09:36:07,058 INFO L241 Difference]: Finished difference. Result has 213 places, 272 transitions, 4903 flow [2021-03-24 09:36:07,058 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=4844, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4903, PETRI_PLACES=213, PETRI_TRANSITIONS=272} [2021-03-24 09:36:07,058 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 149 predicate places. [2021-03-24 09:36:07,058 INFO L480 AbstractCegarLoop]: Abstraction has has 213 places, 272 transitions, 4903 flow [2021-03-24 09:36:07,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 194.16666666666666) internal successors, (1165), 6 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:07,058 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:36:07,059 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:36:07,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-24 09:36:07,059 INFO L428 AbstractCegarLoop]: === Iteration 26 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:36:07,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:36:07,059 INFO L82 PathProgramCache]: Analyzing trace with hash 471215706, now seen corresponding path program 1 times [2021-03-24 09:36:07,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:36:07,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767770046] [2021-03-24 09:36:07,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:36:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:36:07,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:07,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:07,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:07,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 09:36:07,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:07,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 09:36:07,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:07,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:36:07,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:07,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:07,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:07,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:36:07,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:07,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:07,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:07,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:36:07,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:07,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:36:07,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:07,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:07,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:36:07,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767770046] [2021-03-24 09:36:07,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:36:07,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 09:36:07,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366179636] [2021-03-24 09:36:07,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 09:36:07,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:36:07,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 09:36:07,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-24 09:36:07,224 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 336 [2021-03-24 09:36:07,225 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 272 transitions, 4903 flow. Second operand has 10 states, 10 states have (on average 190.9) internal successors, (1909), 10 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:07,225 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:36:07,225 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 336 [2021-03-24 09:36:07,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:36:10,757 INFO L129 PetriNetUnfolder]: 16648/24658 cut-off events. [2021-03-24 09:36:10,757 INFO L130 PetriNetUnfolder]: For 489926/491105 co-relation queries the response was YES. [2021-03-24 09:36:10,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143930 conditions, 24658 events. 16648/24658 cut-off events. For 489926/491105 co-relation queries the response was YES. Maximal size of possible extension queue 1315. Compared 166854 event pairs, 3815 based on Foata normal form. 320/18889 useless extension candidates. Maximal degree in co-relation 137440. Up to 15751 conditions per place. [2021-03-24 09:36:10,998 INFO L132 encePairwiseOnDemand]: 325/336 looper letters, 238 selfloop transitions, 40 changer transitions 3/321 dead transitions. [2021-03-24 09:36:10,998 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 321 transitions, 6299 flow [2021-03-24 09:36:10,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 09:36:10,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 09:36:11,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1966 transitions. [2021-03-24 09:36:11,000 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5851190476190476 [2021-03-24 09:36:11,000 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1966 transitions. [2021-03-24 09:36:11,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1966 transitions. [2021-03-24 09:36:11,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:36:11,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1966 transitions. [2021-03-24 09:36:11,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 196.6) internal successors, (1966), 10 states have internal predecessors, (1966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:11,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:11,003 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:11,004 INFO L185 Difference]: Start difference. First operand has 213 places, 272 transitions, 4903 flow. Second operand 10 states and 1966 transitions. [2021-03-24 09:36:11,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 321 transitions, 6299 flow [2021-03-24 09:36:12,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 321 transitions, 6224 flow, removed 16 selfloop flow, removed 8 redundant places. [2021-03-24 09:36:12,324 INFO L241 Difference]: Finished difference. Result has 215 places, 270 transitions, 4899 flow [2021-03-24 09:36:12,324 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=4730, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4899, PETRI_PLACES=215, PETRI_TRANSITIONS=270} [2021-03-24 09:36:12,324 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 151 predicate places. [2021-03-24 09:36:12,324 INFO L480 AbstractCegarLoop]: Abstraction has has 215 places, 270 transitions, 4899 flow [2021-03-24 09:36:12,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 190.9) internal successors, (1909), 10 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:12,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:36:12,325 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:36:12,325 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-24 09:36:12,325 INFO L428 AbstractCegarLoop]: === Iteration 27 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:36:12,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:36:12,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1032793988, now seen corresponding path program 3 times [2021-03-24 09:36:12,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:36:12,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359331537] [2021-03-24 09:36:12,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:36:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:36:12,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:12,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:12,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:12,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 09:36:12,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:12,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 09:36:12,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:12,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:36:12,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:12,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:12,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:12,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:36:12,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:12,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 09:36:12,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:12,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:36:12,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:12,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:36:12,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:12,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:36:12,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359331537] [2021-03-24 09:36:12,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:36:12,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 09:36:12,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066927241] [2021-03-24 09:36:12,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 09:36:12,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:36:12,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 09:36:12,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-24 09:36:12,446 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 336 [2021-03-24 09:36:12,447 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 270 transitions, 4899 flow. Second operand has 10 states, 10 states have (on average 190.9) internal successors, (1909), 10 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:12,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:36:12,447 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 336 [2021-03-24 09:36:12,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:36:15,660 INFO L129 PetriNetUnfolder]: 15669/23230 cut-off events. [2021-03-24 09:36:15,661 INFO L130 PetriNetUnfolder]: For 484441/484983 co-relation queries the response was YES. [2021-03-24 09:36:15,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139867 conditions, 23230 events. 15669/23230 cut-off events. For 484441/484983 co-relation queries the response was YES. Maximal size of possible extension queue 1196. Compared 155122 event pairs, 3789 based on Foata normal form. 375/18099 useless extension candidates. Maximal degree in co-relation 133322. Up to 12247 conditions per place. [2021-03-24 09:36:15,899 INFO L132 encePairwiseOnDemand]: 325/336 looper letters, 214 selfloop transitions, 47 changer transitions 18/319 dead transitions. [2021-03-24 09:36:15,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 319 transitions, 6322 flow [2021-03-24 09:36:15,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 09:36:15,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 09:36:15,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2349 transitions. [2021-03-24 09:36:15,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5825892857142857 [2021-03-24 09:36:15,902 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2349 transitions. [2021-03-24 09:36:15,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2349 transitions. [2021-03-24 09:36:15,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:36:15,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2349 transitions. [2021-03-24 09:36:15,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 195.75) internal successors, (2349), 12 states have internal predecessors, (2349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:15,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 336.0) internal successors, (4368), 13 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:15,907 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 336.0) internal successors, (4368), 13 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:15,907 INFO L185 Difference]: Start difference. First operand has 215 places, 270 transitions, 4899 flow. Second operand 12 states and 2349 transitions. [2021-03-24 09:36:15,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 319 transitions, 6322 flow [2021-03-24 09:36:17,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 319 transitions, 6256 flow, removed 8 selfloop flow, removed 8 redundant places. [2021-03-24 09:36:17,254 INFO L241 Difference]: Finished difference. Result has 220 places, 263 transitions, 4808 flow [2021-03-24 09:36:17,254 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=4671, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4808, PETRI_PLACES=220, PETRI_TRANSITIONS=263} [2021-03-24 09:36:17,254 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 156 predicate places. [2021-03-24 09:36:17,254 INFO L480 AbstractCegarLoop]: Abstraction has has 220 places, 263 transitions, 4808 flow [2021-03-24 09:36:17,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 190.9) internal successors, (1909), 10 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:17,254 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:36:17,254 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:36:17,254 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-24 09:36:17,255 INFO L428 AbstractCegarLoop]: === Iteration 28 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:36:17,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:36:17,255 INFO L82 PathProgramCache]: Analyzing trace with hash -5410274, now seen corresponding path program 2 times [2021-03-24 09:36:17,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:36:17,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413819111] [2021-03-24 09:36:17,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:36:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:36:17,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:17,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:17,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:17,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 09:36:17,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:17,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:17,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:17,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 09:36:17,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:17,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 09:36:17,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:17,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 09:36:17,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:17,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:36:17,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:17,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 09:36:17,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:17,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 09:36:17,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:17,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:17,458 INFO L142 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-03-24 09:36:17,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:36:17,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:17,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:36:17,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:17,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:17,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:36:17,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413819111] [2021-03-24 09:36:17,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:36:17,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-24 09:36:17,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533237271] [2021-03-24 09:36:17,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 09:36:17,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:36:17,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 09:36:17,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-03-24 09:36:17,479 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 336 [2021-03-24 09:36:17,480 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 263 transitions, 4808 flow. Second operand has 13 states, 13 states have (on average 187.46153846153845) internal successors, (2437), 13 states have internal predecessors, (2437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:17,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:36:17,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 336 [2021-03-24 09:36:17,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:36:20,699 INFO L129 PetriNetUnfolder]: 14582/22063 cut-off events. [2021-03-24 09:36:20,699 INFO L130 PetriNetUnfolder]: For 446602/447705 co-relation queries the response was YES. [2021-03-24 09:36:21,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127694 conditions, 22063 events. 14582/22063 cut-off events. For 446602/447705 co-relation queries the response was YES. Maximal size of possible extension queue 1209. Compared 152666 event pairs, 2992 based on Foata normal form. 507/17362 useless extension candidates. Maximal degree in co-relation 121046. Up to 10062 conditions per place. [2021-03-24 09:36:21,187 INFO L132 encePairwiseOnDemand]: 324/336 looper letters, 211 selfloop transitions, 82 changer transitions 10/344 dead transitions. [2021-03-24 09:36:21,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 344 transitions, 7017 flow [2021-03-24 09:36:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 09:36:21,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 09:36:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2141 transitions. [2021-03-24 09:36:21,189 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5792748917748918 [2021-03-24 09:36:21,189 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2141 transitions. [2021-03-24 09:36:21,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2141 transitions. [2021-03-24 09:36:21,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:36:21,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2141 transitions. [2021-03-24 09:36:21,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 194.63636363636363) internal successors, (2141), 11 states have internal predecessors, (2141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:21,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:21,193 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:21,193 INFO L185 Difference]: Start difference. First operand has 220 places, 263 transitions, 4808 flow. Second operand 11 states and 2141 transitions. [2021-03-24 09:36:21,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 344 transitions, 7017 flow [2021-03-24 09:36:22,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 344 transitions, 6776 flow, removed 19 selfloop flow, removed 10 redundant places. [2021-03-24 09:36:22,232 INFO L241 Difference]: Finished difference. Result has 224 places, 270 transitions, 5099 flow [2021-03-24 09:36:22,232 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=4552, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5099, PETRI_PLACES=224, PETRI_TRANSITIONS=270} [2021-03-24 09:36:22,232 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 160 predicate places. [2021-03-24 09:36:22,232 INFO L480 AbstractCegarLoop]: Abstraction has has 224 places, 270 transitions, 5099 flow [2021-03-24 09:36:22,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 187.46153846153845) internal successors, (2437), 13 states have internal predecessors, (2437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:22,233 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:36:22,233 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:36:22,233 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-24 09:36:22,233 INFO L428 AbstractCegarLoop]: === Iteration 29 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:36:22,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:36:22,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1281222149, now seen corresponding path program 1 times [2021-03-24 09:36:22,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:36:22,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38455732] [2021-03-24 09:36:22,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:36:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:36:22,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:22,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:22,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:22,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 09:36:22,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:22,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:22,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:22,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 09:36:22,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:22,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 09:36:22,303 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size [2021-03-24 09:36:22,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 09:36:22,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:22,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:36:22,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:22,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:22,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:22,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:36:22,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:22,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:22,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:22,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:22,420 INFO L142 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-03-24 09:36:22,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:36:22,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:22,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:36:22,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:22,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:36:22,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38455732] [2021-03-24 09:36:22,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:36:22,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-24 09:36:22,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987544387] [2021-03-24 09:36:22,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 09:36:22,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:36:22,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 09:36:22,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-03-24 09:36:22,445 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 336 [2021-03-24 09:36:22,446 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 270 transitions, 5099 flow. Second operand has 13 states, 13 states have (on average 187.46153846153845) internal successors, (2437), 13 states have internal predecessors, (2437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:22,446 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:36:22,446 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 336 [2021-03-24 09:36:22,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:36:26,251 INFO L129 PetriNetUnfolder]: 15185/22794 cut-off events. [2021-03-24 09:36:26,251 INFO L130 PetriNetUnfolder]: For 465144/465794 co-relation queries the response was YES. [2021-03-24 09:36:26,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133465 conditions, 22794 events. 15185/22794 cut-off events. For 465144/465794 co-relation queries the response was YES. Maximal size of possible extension queue 1193. Compared 155368 event pairs, 3407 based on Foata normal form. 161/17682 useless extension candidates. Maximal degree in co-relation 127543. Up to 16438 conditions per place. [2021-03-24 09:36:26,448 INFO L132 encePairwiseOnDemand]: 323/336 looper letters, 240 selfloop transitions, 81 changer transitions 11/372 dead transitions. [2021-03-24 09:36:26,448 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 372 transitions, 7767 flow [2021-03-24 09:36:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 09:36:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 09:36:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2525 transitions. [2021-03-24 09:36:26,451 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5780677655677655 [2021-03-24 09:36:26,451 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2525 transitions. [2021-03-24 09:36:26,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2525 transitions. [2021-03-24 09:36:26,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:36:26,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2525 transitions. [2021-03-24 09:36:26,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 194.23076923076923) internal successors, (2525), 13 states have internal predecessors, (2525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:26,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 336.0) internal successors, (4704), 14 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:26,456 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 336.0) internal successors, (4704), 14 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:26,456 INFO L185 Difference]: Start difference. First operand has 224 places, 270 transitions, 5099 flow. Second operand 13 states and 2525 transitions. [2021-03-24 09:36:26,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 372 transitions, 7767 flow [2021-03-24 09:36:27,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 372 transitions, 7437 flow, removed 115 selfloop flow, removed 8 redundant places. [2021-03-24 09:36:27,600 INFO L241 Difference]: Finished difference. Result has 233 places, 300 transitions, 5746 flow [2021-03-24 09:36:27,601 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=4854, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5746, PETRI_PLACES=233, PETRI_TRANSITIONS=300} [2021-03-24 09:36:27,601 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 169 predicate places. [2021-03-24 09:36:27,601 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 300 transitions, 5746 flow [2021-03-24 09:36:27,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 187.46153846153845) internal successors, (2437), 13 states have internal predecessors, (2437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:27,601 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:36:27,601 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:36:27,601 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-24 09:36:27,601 INFO L428 AbstractCegarLoop]: === Iteration 30 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:36:27,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:36:27,602 INFO L82 PathProgramCache]: Analyzing trace with hash 350547375, now seen corresponding path program 1 times [2021-03-24 09:36:27,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:36:27,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352245897] [2021-03-24 09:36:27,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:36:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:36:27,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:27,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:27,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:27,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 09:36:27,636 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-24 09:36:27,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 09:36:27,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:27,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 09:36:27,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:27,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-24 09:36:27,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:27,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 09:36:27,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:27,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:36:27,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:27,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:36:27,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:27,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 09:36:27,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:27,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:36:27,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:27,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:36:27,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:27,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:36:27,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352245897] [2021-03-24 09:36:27,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:36:27,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 09:36:27,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005246656] [2021-03-24 09:36:27,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 09:36:27,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:36:27,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 09:36:27,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-24 09:36:27,786 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 336 [2021-03-24 09:36:27,787 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 300 transitions, 5746 flow. Second operand has 11 states, 11 states have (on average 187.72727272727272) internal successors, (2065), 11 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:27,787 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:36:27,787 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 336 [2021-03-24 09:36:27,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:36:31,602 INFO L129 PetriNetUnfolder]: 16061/24044 cut-off events. [2021-03-24 09:36:31,602 INFO L130 PetriNetUnfolder]: For 491286/491751 co-relation queries the response was YES. [2021-03-24 09:36:31,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141931 conditions, 24044 events. 16061/24044 cut-off events. For 491286/491751 co-relation queries the response was YES. Maximal size of possible extension queue 1291. Compared 165277 event pairs, 3715 based on Foata normal form. 184/18636 useless extension candidates. Maximal degree in co-relation 135293. Up to 9442 conditions per place. [2021-03-24 09:36:31,831 INFO L132 encePairwiseOnDemand]: 325/336 looper letters, 298 selfloop transitions, 82 changer transitions 17/437 dead transitions. [2021-03-24 09:36:31,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 437 transitions, 9233 flow [2021-03-24 09:36:31,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-24 09:36:31,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-24 09:36:31,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2714 transitions. [2021-03-24 09:36:31,833 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5769557823129252 [2021-03-24 09:36:31,834 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2714 transitions. [2021-03-24 09:36:31,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2714 transitions. [2021-03-24 09:36:31,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:36:31,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2714 transitions. [2021-03-24 09:36:31,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 193.85714285714286) internal successors, (2714), 14 states have internal predecessors, (2714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:31,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 336.0) internal successors, (5040), 15 states have internal predecessors, (5040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:31,839 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 336.0) internal successors, (5040), 15 states have internal predecessors, (5040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:31,839 INFO L185 Difference]: Start difference. First operand has 233 places, 300 transitions, 5746 flow. Second operand 14 states and 2714 transitions. [2021-03-24 09:36:31,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 437 transitions, 9233 flow [2021-03-24 09:36:33,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 437 transitions, 9009 flow, removed 54 selfloop flow, removed 5 redundant places. [2021-03-24 09:36:33,474 INFO L241 Difference]: Finished difference. Result has 245 places, 309 transitions, 5917 flow [2021-03-24 09:36:33,474 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=5558, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5917, PETRI_PLACES=245, PETRI_TRANSITIONS=309} [2021-03-24 09:36:33,474 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 181 predicate places. [2021-03-24 09:36:33,474 INFO L480 AbstractCegarLoop]: Abstraction has has 245 places, 309 transitions, 5917 flow [2021-03-24 09:36:33,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 187.72727272727272) internal successors, (2065), 11 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:33,474 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:36:33,475 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:36:33,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-24 09:36:33,475 INFO L428 AbstractCegarLoop]: === Iteration 31 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:36:33,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:36:33,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1181371767, now seen corresponding path program 2 times [2021-03-24 09:36:33,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:36:33,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099077145] [2021-03-24 09:36:33,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:36:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:36:33,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:33,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:33,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:33,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:36:33,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:33,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 09:36:33,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:33,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:36:33,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:33,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:36:33,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:33,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:36:33,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:33,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:36:33,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:33,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:36:33,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:33,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:36:33,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:33,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:36:33,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:33,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:36:33,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099077145] [2021-03-24 09:36:33,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:36:33,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 09:36:33,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637080917] [2021-03-24 09:36:33,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 09:36:33,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:36:33,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 09:36:33,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-24 09:36:33,592 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 336 [2021-03-24 09:36:33,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 309 transitions, 5917 flow. Second operand has 11 states, 11 states have (on average 189.72727272727272) internal successors, (2087), 11 states have internal predecessors, (2087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:33,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:36:33,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 336 [2021-03-24 09:36:33,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:36:37,394 INFO L129 PetriNetUnfolder]: 16412/24701 cut-off events. [2021-03-24 09:36:37,394 INFO L130 PetriNetUnfolder]: For 522687/523103 co-relation queries the response was YES. [2021-03-24 09:36:37,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144988 conditions, 24701 events. 16412/24701 cut-off events. For 522687/523103 co-relation queries the response was YES. Maximal size of possible extension queue 1307. Compared 171415 event pairs, 3838 based on Foata normal form. 134/19003 useless extension candidates. Maximal degree in co-relation 139619. Up to 11602 conditions per place. [2021-03-24 09:36:37,645 INFO L132 encePairwiseOnDemand]: 325/336 looper letters, 279 selfloop transitions, 68 changer transitions 22/410 dead transitions. [2021-03-24 09:36:37,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 410 transitions, 8463 flow [2021-03-24 09:36:37,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 09:36:37,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 09:36:37,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2171 transitions. [2021-03-24 09:36:37,647 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5873917748917749 [2021-03-24 09:36:37,647 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2171 transitions. [2021-03-24 09:36:37,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2171 transitions. [2021-03-24 09:36:37,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:36:37,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2171 transitions. [2021-03-24 09:36:37,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 197.36363636363637) internal successors, (2171), 11 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:37,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:37,652 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:37,652 INFO L185 Difference]: Start difference. First operand has 245 places, 309 transitions, 5917 flow. Second operand 11 states and 2171 transitions. [2021-03-24 09:36:37,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 410 transitions, 8463 flow [2021-03-24 09:36:39,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 410 transitions, 8284 flow, removed 30 selfloop flow, removed 6 redundant places. [2021-03-24 09:36:39,034 INFO L241 Difference]: Finished difference. Result has 252 places, 319 transitions, 6176 flow [2021-03-24 09:36:39,034 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=5756, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6176, PETRI_PLACES=252, PETRI_TRANSITIONS=319} [2021-03-24 09:36:39,034 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 188 predicate places. [2021-03-24 09:36:39,034 INFO L480 AbstractCegarLoop]: Abstraction has has 252 places, 319 transitions, 6176 flow [2021-03-24 09:36:39,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 189.72727272727272) internal successors, (2087), 11 states have internal predecessors, (2087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:39,034 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:36:39,034 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:36:39,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-24 09:36:39,035 INFO L428 AbstractCegarLoop]: === Iteration 32 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:36:39,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:36:39,035 INFO L82 PathProgramCache]: Analyzing trace with hash -375897375, now seen corresponding path program 1 times [2021-03-24 09:36:39,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:36:39,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554576119] [2021-03-24 09:36:39,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:36:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:36:39,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:39,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:39,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:39,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 09:36:39,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:39,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 09:36:39,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:39,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:39,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:39,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:36:39,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:39,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:36:39,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:39,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:36:39,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:39,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:36:39,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:39,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:36:39,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:39,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:36:39,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:39,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:36:39,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:39,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:39,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:36:39,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554576119] [2021-03-24 09:36:39,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:36:39,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 09:36:39,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480803137] [2021-03-24 09:36:39,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 09:36:39,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:36:39,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 09:36:39,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-03-24 09:36:39,165 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 336 [2021-03-24 09:36:39,166 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 319 transitions, 6176 flow. Second operand has 12 states, 12 states have (on average 187.58333333333334) internal successors, (2251), 12 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:39,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:36:39,166 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 336 [2021-03-24 09:36:39,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:36:42,899 INFO L129 PetriNetUnfolder]: 16026/24091 cut-off events. [2021-03-24 09:36:42,899 INFO L130 PetriNetUnfolder]: For 496854/497318 co-relation queries the response was YES. [2021-03-24 09:36:43,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140877 conditions, 24091 events. 16026/24091 cut-off events. For 496854/497318 co-relation queries the response was YES. Maximal size of possible extension queue 1288. Compared 166190 event pairs, 3830 based on Foata normal form. 123/18435 useless extension candidates. Maximal degree in co-relation 135578. Up to 16362 conditions per place. [2021-03-24 09:36:43,139 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 237 selfloop transitions, 44 changer transitions 28/351 dead transitions. [2021-03-24 09:36:43,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 351 transitions, 7355 flow [2021-03-24 09:36:43,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 09:36:43,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 09:36:43,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1747 transitions. [2021-03-24 09:36:43,141 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5777116402116402 [2021-03-24 09:36:43,141 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1747 transitions. [2021-03-24 09:36:43,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1747 transitions. [2021-03-24 09:36:43,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:36:43,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1747 transitions. [2021-03-24 09:36:43,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 194.11111111111111) internal successors, (1747), 9 states have internal predecessors, (1747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:43,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:43,145 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:43,145 INFO L185 Difference]: Start difference. First operand has 252 places, 319 transitions, 6176 flow. Second operand 9 states and 1747 transitions. [2021-03-24 09:36:43,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 351 transitions, 7355 flow [2021-03-24 09:36:44,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 351 transitions, 6974 flow, removed 36 selfloop flow, removed 20 redundant places. [2021-03-24 09:36:44,454 INFO L241 Difference]: Finished difference. Result has 240 places, 283 transitions, 5113 flow [2021-03-24 09:36:44,454 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=5219, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5113, PETRI_PLACES=240, PETRI_TRANSITIONS=283} [2021-03-24 09:36:44,454 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 176 predicate places. [2021-03-24 09:36:44,454 INFO L480 AbstractCegarLoop]: Abstraction has has 240 places, 283 transitions, 5113 flow [2021-03-24 09:36:44,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 187.58333333333334) internal successors, (2251), 12 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:44,455 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:36:44,455 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:36:44,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-24 09:36:44,455 INFO L428 AbstractCegarLoop]: === Iteration 33 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:36:44,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:36:44,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1542838761, now seen corresponding path program 1 times [2021-03-24 09:36:44,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:36:44,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668950780] [2021-03-24 09:36:44,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:36:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:36:44,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:44,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:44,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:44,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:36:44,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:44,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:36:44,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:44,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 09:36:44,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:44,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:36:44,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:44,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:36:44,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:44,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:44,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:36:44,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668950780] [2021-03-24 09:36:44,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:36:44,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 09:36:44,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945915073] [2021-03-24 09:36:44,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 09:36:44,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:36:44,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 09:36:44,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-24 09:36:44,499 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 336 [2021-03-24 09:36:44,500 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 283 transitions, 5113 flow. Second operand has 6 states, 6 states have (on average 194.33333333333334) internal successors, (1166), 6 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:44,500 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:36:44,500 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 336 [2021-03-24 09:36:44,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:36:44,726 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 15 [2021-03-24 09:36:47,713 INFO L129 PetriNetUnfolder]: 13745/21473 cut-off events. [2021-03-24 09:36:47,713 INFO L130 PetriNetUnfolder]: For 435067/435443 co-relation queries the response was YES. [2021-03-24 09:36:47,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119724 conditions, 21473 events. 13745/21473 cut-off events. For 435067/435443 co-relation queries the response was YES. Maximal size of possible extension queue 1222. Compared 155974 event pairs, 3421 based on Foata normal form. 221/16601 useless extension candidates. Maximal degree in co-relation 115682. Up to 14584 conditions per place. [2021-03-24 09:36:47,895 INFO L132 encePairwiseOnDemand]: 329/336 looper letters, 216 selfloop transitions, 5 changer transitions 86/346 dead transitions. [2021-03-24 09:36:47,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 346 transitions, 6955 flow [2021-03-24 09:36:47,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 09:36:47,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 09:36:47,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1595 transitions. [2021-03-24 09:36:47,897 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5933779761904762 [2021-03-24 09:36:47,897 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1595 transitions. [2021-03-24 09:36:47,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1595 transitions. [2021-03-24 09:36:47,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:36:47,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1595 transitions. [2021-03-24 09:36:47,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 199.375) internal successors, (1595), 8 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:47,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:47,899 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:47,899 INFO L185 Difference]: Start difference. First operand has 240 places, 283 transitions, 5113 flow. Second operand 8 states and 1595 transitions. [2021-03-24 09:36:47,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 346 transitions, 6955 flow [2021-03-24 09:36:48,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 346 transitions, 6786 flow, removed 18 selfloop flow, removed 13 redundant places. [2021-03-24 09:36:48,824 INFO L241 Difference]: Finished difference. Result has 236 places, 259 transitions, 4549 flow [2021-03-24 09:36:48,824 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=4784, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4549, PETRI_PLACES=236, PETRI_TRANSITIONS=259} [2021-03-24 09:36:48,824 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 172 predicate places. [2021-03-24 09:36:48,824 INFO L480 AbstractCegarLoop]: Abstraction has has 236 places, 259 transitions, 4549 flow [2021-03-24 09:36:48,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 194.33333333333334) internal successors, (1166), 6 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:48,824 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:36:48,825 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:36:48,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-24 09:36:48,825 INFO L428 AbstractCegarLoop]: === Iteration 34 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:36:48,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:36:48,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1162793307, now seen corresponding path program 2 times [2021-03-24 09:36:48,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:36:48,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454042910] [2021-03-24 09:36:48,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:36:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:36:48,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:48,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:48,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:48,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 09:36:48,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:48,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 09:36:48,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:48,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:36:48,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:48,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:48,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:48,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:36:48,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:48,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 09:36:48,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:48,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:36:48,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:48,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:36:48,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:36:48,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454042910] [2021-03-24 09:36:48,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:36:48,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 09:36:48,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744807616] [2021-03-24 09:36:48,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 09:36:48,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:36:48,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 09:36:48,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-24 09:36:48,945 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 336 [2021-03-24 09:36:48,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 259 transitions, 4549 flow. Second operand has 10 states, 10 states have (on average 191.0) internal successors, (1910), 10 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:48,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:36:48,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 336 [2021-03-24 09:36:48,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:36:51,429 INFO L129 PetriNetUnfolder]: 11572/18107 cut-off events. [2021-03-24 09:36:51,429 INFO L130 PetriNetUnfolder]: For 334861/335243 co-relation queries the response was YES. [2021-03-24 09:36:51,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98424 conditions, 18107 events. 11572/18107 cut-off events. For 334861/335243 co-relation queries the response was YES. Maximal size of possible extension queue 1043. Compared 129072 event pairs, 2937 based on Foata normal form. 274/14093 useless extension candidates. Maximal degree in co-relation 98353. Up to 11396 conditions per place. [2021-03-24 09:36:51,589 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 180 selfloop transitions, 10 changer transitions 95/319 dead transitions. [2021-03-24 09:36:51,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 319 transitions, 6245 flow [2021-03-24 09:36:51,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 09:36:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 09:36:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1962 transitions. [2021-03-24 09:36:51,590 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5839285714285715 [2021-03-24 09:36:51,590 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1962 transitions. [2021-03-24 09:36:51,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1962 transitions. [2021-03-24 09:36:51,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:36:51,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1962 transitions. [2021-03-24 09:36:51,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 196.2) internal successors, (1962), 10 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:51,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:51,593 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:51,594 INFO L185 Difference]: Start difference. First operand has 236 places, 259 transitions, 4549 flow. Second operand 10 states and 1962 transitions. [2021-03-24 09:36:51,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 319 transitions, 6245 flow [2021-03-24 09:36:52,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 319 transitions, 6117 flow, removed 50 selfloop flow, removed 17 redundant places. [2021-03-24 09:36:52,246 INFO L241 Difference]: Finished difference. Result has 214 places, 223 transitions, 3580 flow [2021-03-24 09:36:52,246 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=4207, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3580, PETRI_PLACES=214, PETRI_TRANSITIONS=223} [2021-03-24 09:36:52,246 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 150 predicate places. [2021-03-24 09:36:52,246 INFO L480 AbstractCegarLoop]: Abstraction has has 214 places, 223 transitions, 3580 flow [2021-03-24 09:36:52,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 191.0) internal successors, (1910), 10 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:52,247 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:36:52,247 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:36:52,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-24 09:36:52,247 INFO L428 AbstractCegarLoop]: === Iteration 35 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:36:52,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:36:52,247 INFO L82 PathProgramCache]: Analyzing trace with hash 2115172276, now seen corresponding path program 1 times [2021-03-24 09:36:52,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:36:52,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880220650] [2021-03-24 09:36:52,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:36:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:36:52,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:52,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 09:36:52,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:36:52,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 09:36:52,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-24 09:36:52,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 09:36:52,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 09:36:52,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 09:36:52,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 09:36:52,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 09:36:52,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 09:36:52,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 09:36:52,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:36:52,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:36:52,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:52,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:36:52,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880220650] [2021-03-24 09:36:52,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:36:52,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-24 09:36:52,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622156762] [2021-03-24 09:36:52,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 09:36:52,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:36:52,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 09:36:52,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-03-24 09:36:52,520 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 336 [2021-03-24 09:36:52,534 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 223 transitions, 3580 flow. Second operand has 13 states, 13 states have (on average 184.53846153846155) internal successors, (2399), 13 states have internal predecessors, (2399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:52,534 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:36:52,534 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 336 [2021-03-24 09:36:52,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:36:52,879 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2021-03-24 09:36:54,759 INFO L129 PetriNetUnfolder]: 9418/14047 cut-off events. [2021-03-24 09:36:54,759 INFO L130 PetriNetUnfolder]: For 250048/250339 co-relation queries the response was YES. [2021-03-24 09:36:54,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75674 conditions, 14047 events. 9418/14047 cut-off events. For 250048/250339 co-relation queries the response was YES. Maximal size of possible extension queue 759. Compared 89013 event pairs, 1998 based on Foata normal form. 118/10773 useless extension candidates. Maximal degree in co-relation 75613. Up to 7759 conditions per place. [2021-03-24 09:36:54,860 INFO L132 encePairwiseOnDemand]: 325/336 looper letters, 149 selfloop transitions, 52 changer transitions 24/259 dead transitions. [2021-03-24 09:36:54,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 259 transitions, 4744 flow [2021-03-24 09:36:54,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 09:36:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 09:36:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1707 transitions. [2021-03-24 09:36:54,862 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.564484126984127 [2021-03-24 09:36:54,862 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1707 transitions. [2021-03-24 09:36:54,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1707 transitions. [2021-03-24 09:36:54,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:36:54,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1707 transitions. [2021-03-24 09:36:54,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 189.66666666666666) internal successors, (1707), 9 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:54,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:54,865 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:54,865 INFO L185 Difference]: Start difference. First operand has 214 places, 223 transitions, 3580 flow. Second operand 9 states and 1707 transitions. [2021-03-24 09:36:54,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 259 transitions, 4744 flow [2021-03-24 09:36:55,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 259 transitions, 4431 flow, removed 28 selfloop flow, removed 22 redundant places. [2021-03-24 09:36:55,267 INFO L241 Difference]: Finished difference. Result has 183 places, 200 transitions, 2962 flow [2021-03-24 09:36:55,267 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=3236, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2962, PETRI_PLACES=183, PETRI_TRANSITIONS=200} [2021-03-24 09:36:55,267 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 119 predicate places. [2021-03-24 09:36:55,267 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 200 transitions, 2962 flow [2021-03-24 09:36:55,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 184.53846153846155) internal successors, (2399), 13 states have internal predecessors, (2399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:55,267 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:36:55,267 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:36:55,268 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-24 09:36:55,268 INFO L428 AbstractCegarLoop]: === Iteration 36 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:36:55,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:36:55,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1111084127, now seen corresponding path program 3 times [2021-03-24 09:36:55,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:36:55,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310015100] [2021-03-24 09:36:55,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:36:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:36:55,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:55,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:55,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:55,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 09:36:55,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:55,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:36:55,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:55,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 09:36:55,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:55,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:36:55,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:55,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:55,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:55,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:36:55,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:55,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 09:36:55,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:55,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:36:55,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:55,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:36:55,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:55,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:36:55,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310015100] [2021-03-24 09:36:55,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:36:55,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 09:36:55,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459756191] [2021-03-24 09:36:55,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 09:36:55,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:36:55,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 09:36:55,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-24 09:36:55,409 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 336 [2021-03-24 09:36:55,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 200 transitions, 2962 flow. Second operand has 11 states, 11 states have (on average 189.8181818181818) internal successors, (2088), 11 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:55,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:36:55,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 336 [2021-03-24 09:36:55,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:36:56,851 INFO L129 PetriNetUnfolder]: 7655/11656 cut-off events. [2021-03-24 09:36:56,851 INFO L130 PetriNetUnfolder]: For 186775/186889 co-relation queries the response was YES. [2021-03-24 09:36:56,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58839 conditions, 11656 events. 7655/11656 cut-off events. For 186775/186889 co-relation queries the response was YES. Maximal size of possible extension queue 671. Compared 74307 event pairs, 1893 based on Foata normal form. 111/8842 useless extension candidates. Maximal degree in co-relation 58792. Up to 7698 conditions per place. [2021-03-24 09:36:56,946 INFO L132 encePairwiseOnDemand]: 324/336 looper letters, 141 selfloop transitions, 13 changer transitions 56/242 dead transitions. [2021-03-24 09:36:56,946 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 242 transitions, 4125 flow [2021-03-24 09:36:56,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 09:36:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 09:36:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2137 transitions. [2021-03-24 09:36:56,949 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5781926406926406 [2021-03-24 09:36:56,949 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2137 transitions. [2021-03-24 09:36:56,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2137 transitions. [2021-03-24 09:36:56,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:36:56,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2137 transitions. [2021-03-24 09:36:56,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 194.27272727272728) internal successors, (2137), 11 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:56,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:56,953 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:56,953 INFO L185 Difference]: Start difference. First operand has 183 places, 200 transitions, 2962 flow. Second operand 11 states and 2137 transitions. [2021-03-24 09:36:56,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 242 transitions, 4125 flow [2021-03-24 09:36:57,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 242 transitions, 4036 flow, removed 17 selfloop flow, removed 10 redundant places. [2021-03-24 09:36:57,282 INFO L241 Difference]: Finished difference. Result has 178 places, 185 transitions, 2624 flow [2021-03-24 09:36:57,282 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2803, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2624, PETRI_PLACES=178, PETRI_TRANSITIONS=185} [2021-03-24 09:36:57,282 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 114 predicate places. [2021-03-24 09:36:57,282 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 185 transitions, 2624 flow [2021-03-24 09:36:57,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 189.8181818181818) internal successors, (2088), 11 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:57,282 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:36:57,283 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:36:57,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-24 09:36:57,283 INFO L428 AbstractCegarLoop]: === Iteration 37 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:36:57,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:36:57,283 INFO L82 PathProgramCache]: Analyzing trace with hash 815605569, now seen corresponding path program 1 times [2021-03-24 09:36:57,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:36:57,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248969584] [2021-03-24 09:36:57,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:36:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:36:57,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:57,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:57,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:57,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 09:36:57,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:57,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:36:57,327 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-24 09:36:57,328 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.8 percent of original size 45 [2021-03-24 09:36:57,374 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.3 percent of original size [2021-03-24 09:36:57,375 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size 41 [2021-03-24 09:36:57,412 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.0 percent of original size [2021-03-24 09:36:57,413 INFO L147 QuantifierPusher]: treesize reduction 4, result has 90.2 percent of original size 37 [2021-03-24 09:36:57,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:57,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:57,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:57,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:36:57,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:57,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:57,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:57,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:36:57,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:57,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:36:57,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:57,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:36:57,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248969584] [2021-03-24 09:36:57,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:36:57,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 09:36:57,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56498627] [2021-03-24 09:36:57,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 09:36:57,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:36:57,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 09:36:57,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-24 09:36:57,537 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 336 [2021-03-24 09:36:57,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 185 transitions, 2624 flow. Second operand has 12 states, 12 states have (on average 187.66666666666666) internal successors, (2252), 12 states have internal predecessors, (2252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:57,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:36:57,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 336 [2021-03-24 09:36:57,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:36:58,945 INFO L129 PetriNetUnfolder]: 7197/10732 cut-off events. [2021-03-24 09:36:58,945 INFO L130 PetriNetUnfolder]: For 163428/163529 co-relation queries the response was YES. [2021-03-24 09:36:59,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55315 conditions, 10732 events. 7197/10732 cut-off events. For 163428/163529 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 65593 event pairs, 1819 based on Foata normal form. 60/8125 useless extension candidates. Maximal degree in co-relation 55268. Up to 7837 conditions per place. [2021-03-24 09:36:59,041 INFO L132 encePairwiseOnDemand]: 323/336 looper letters, 157 selfloop transitions, 21 changer transitions 3/212 dead transitions. [2021-03-24 09:36:59,041 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 212 transitions, 3298 flow [2021-03-24 09:36:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 09:36:59,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 09:36:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1932 transitions. [2021-03-24 09:36:59,043 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.575 [2021-03-24 09:36:59,043 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1932 transitions. [2021-03-24 09:36:59,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1932 transitions. [2021-03-24 09:36:59,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:36:59,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1932 transitions. [2021-03-24 09:36:59,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 193.2) internal successors, (1932), 10 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:59,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:59,045 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:59,045 INFO L185 Difference]: Start difference. First operand has 178 places, 185 transitions, 2624 flow. Second operand 10 states and 1932 transitions. [2021-03-24 09:36:59,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 212 transitions, 3298 flow [2021-03-24 09:36:59,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 212 transitions, 3232 flow, removed 16 selfloop flow, removed 14 redundant places. [2021-03-24 09:36:59,402 INFO L241 Difference]: Finished difference. Result has 167 places, 191 transitions, 2752 flow [2021-03-24 09:36:59,403 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2568, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2752, PETRI_PLACES=167, PETRI_TRANSITIONS=191} [2021-03-24 09:36:59,403 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 103 predicate places. [2021-03-24 09:36:59,403 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 191 transitions, 2752 flow [2021-03-24 09:36:59,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 187.66666666666666) internal successors, (2252), 12 states have internal predecessors, (2252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:59,403 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:36:59,403 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:36:59,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-24 09:36:59,403 INFO L428 AbstractCegarLoop]: === Iteration 38 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:36:59,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:36:59,404 INFO L82 PathProgramCache]: Analyzing trace with hash 156893401, now seen corresponding path program 2 times [2021-03-24 09:36:59,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:36:59,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117759400] [2021-03-24 09:36:59,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:36:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:36:59,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:59,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:59,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:59,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 09:36:59,454 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-03-24 09:36:59,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:36:59,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:59,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 09:36:59,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:59,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-24 09:36:59,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:59,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 09:36:59,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:59,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 09:36:59,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:59,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:36:59,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:59,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:59,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:59,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 09:36:59,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:59,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:59,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:59,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:36:59,709 INFO L142 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-03-24 09:36:59,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:36:59,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:59,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:36:59,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:36:59,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:36:59,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:36:59,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117759400] [2021-03-24 09:36:59,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:36:59,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-24 09:36:59,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458788339] [2021-03-24 09:36:59,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-24 09:36:59,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:36:59,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-24 09:36:59,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-03-24 09:36:59,737 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 336 [2021-03-24 09:36:59,738 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 191 transitions, 2752 flow. Second operand has 14 states, 14 states have (on average 185.42857142857142) internal successors, (2596), 14 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:36:59,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:36:59,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 336 [2021-03-24 09:36:59,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:37:01,338 INFO L129 PetriNetUnfolder]: 7413/11098 cut-off events. [2021-03-24 09:37:01,339 INFO L130 PetriNetUnfolder]: For 177304/177359 co-relation queries the response was YES. [2021-03-24 09:37:01,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55178 conditions, 11098 events. 7413/11098 cut-off events. For 177304/177359 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 68318 event pairs, 1420 based on Foata normal form. 76/8340 useless extension candidates. Maximal degree in co-relation 55137. Up to 6037 conditions per place. [2021-03-24 09:37:01,399 INFO L132 encePairwiseOnDemand]: 323/336 looper letters, 138 selfloop transitions, 33 changer transitions 25/227 dead transitions. [2021-03-24 09:37:01,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 227 transitions, 3567 flow [2021-03-24 09:37:01,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 09:37:01,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 09:37:01,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2289 transitions. [2021-03-24 09:37:01,400 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5677083333333334 [2021-03-24 09:37:01,401 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2289 transitions. [2021-03-24 09:37:01,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2289 transitions. [2021-03-24 09:37:01,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:37:01,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2289 transitions. [2021-03-24 09:37:01,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 190.75) internal successors, (2289), 12 states have internal predecessors, (2289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:01,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 336.0) internal successors, (4368), 13 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:01,404 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 336.0) internal successors, (4368), 13 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:01,404 INFO L185 Difference]: Start difference. First operand has 167 places, 191 transitions, 2752 flow. Second operand 12 states and 2289 transitions. [2021-03-24 09:37:01,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 227 transitions, 3567 flow [2021-03-24 09:37:01,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 227 transitions, 3406 flow, removed 31 selfloop flow, removed 9 redundant places. [2021-03-24 09:37:01,595 INFO L241 Difference]: Finished difference. Result has 172 places, 177 transitions, 2367 flow [2021-03-24 09:37:01,596 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2501, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2367, PETRI_PLACES=172, PETRI_TRANSITIONS=177} [2021-03-24 09:37:01,596 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 108 predicate places. [2021-03-24 09:37:01,596 INFO L480 AbstractCegarLoop]: Abstraction has has 172 places, 177 transitions, 2367 flow [2021-03-24 09:37:01,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 185.42857142857142) internal successors, (2596), 14 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:01,596 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:37:01,597 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:37:01,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-24 09:37:01,597 INFO L428 AbstractCegarLoop]: === Iteration 39 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:37:01,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:37:01,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1059291271, now seen corresponding path program 4 times [2021-03-24 09:37:01,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:37:01,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216859170] [2021-03-24 09:37:01,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:37:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:37:01,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:01,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:01,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:01,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 09:37:01,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:01,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:37:01,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:01,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-24 09:37:01,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:01,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 09:37:01,676 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.8 percent of original size [2021-03-24 09:37:01,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 09:37:01,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:01,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 09:37:01,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:01,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:37:01,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:01,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:37:01,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:01,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:37:01,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:01,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:37:01,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:01,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:37:01,823 INFO L142 QuantifierPusher]: treesize reduction 16, result has 33.3 percent of original size [2021-03-24 09:37:01,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:37:01,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:01,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:37:01,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:01,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:01,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:37:01,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216859170] [2021-03-24 09:37:01,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:37:01,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-03-24 09:37:01,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788424513] [2021-03-24 09:37:01,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-24 09:37:01,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:37:01,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-24 09:37:01,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-03-24 09:37:01,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 336 [2021-03-24 09:37:01,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 177 transitions, 2367 flow. Second operand has 14 states, 14 states have (on average 185.42857142857142) internal successors, (2596), 14 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:01,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:37:01,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 336 [2021-03-24 09:37:01,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:37:03,394 INFO L129 PetriNetUnfolder]: 8431/12778 cut-off events. [2021-03-24 09:37:03,395 INFO L130 PetriNetUnfolder]: For 193163/193211 co-relation queries the response was YES. [2021-03-24 09:37:03,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65189 conditions, 12778 events. 8431/12778 cut-off events. For 193163/193211 co-relation queries the response was YES. Maximal size of possible extension queue 774. Compared 83447 event pairs, 531 based on Foata normal form. 114/9758 useless extension candidates. Maximal degree in co-relation 65146. Up to 7155 conditions per place. [2021-03-24 09:37:03,495 INFO L132 encePairwiseOnDemand]: 324/336 looper letters, 174 selfloop transitions, 40 changer transitions 29/275 dead transitions. [2021-03-24 09:37:03,496 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 275 transitions, 4297 flow [2021-03-24 09:37:03,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 09:37:03,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 09:37:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2299 transitions. [2021-03-24 09:37:03,497 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5701884920634921 [2021-03-24 09:37:03,497 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2299 transitions. [2021-03-24 09:37:03,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2299 transitions. [2021-03-24 09:37:03,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:37:03,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2299 transitions. [2021-03-24 09:37:03,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 191.58333333333334) internal successors, (2299), 12 states have internal predecessors, (2299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:03,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 336.0) internal successors, (4368), 13 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:03,500 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 336.0) internal successors, (4368), 13 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:03,500 INFO L185 Difference]: Start difference. First operand has 172 places, 177 transitions, 2367 flow. Second operand 12 states and 2299 transitions. [2021-03-24 09:37:03,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 275 transitions, 4297 flow [2021-03-24 09:37:03,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 275 transitions, 3987 flow, removed 28 selfloop flow, removed 14 redundant places. [2021-03-24 09:37:03,873 INFO L241 Difference]: Finished difference. Result has 173 places, 191 transitions, 2606 flow [2021-03-24 09:37:03,874 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2194, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2606, PETRI_PLACES=173, PETRI_TRANSITIONS=191} [2021-03-24 09:37:03,874 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 109 predicate places. [2021-03-24 09:37:03,874 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 191 transitions, 2606 flow [2021-03-24 09:37:03,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 185.42857142857142) internal successors, (2596), 14 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:03,874 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:37:03,874 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:37:03,875 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-24 09:37:03,875 INFO L428 AbstractCegarLoop]: === Iteration 40 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:37:03,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:37:03,875 INFO L82 PathProgramCache]: Analyzing trace with hash -254169383, now seen corresponding path program 5 times [2021-03-24 09:37:03,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:37:03,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856361991] [2021-03-24 09:37:03,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:37:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:37:03,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:03,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:03,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:03,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:37:03,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:03,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 09:37:03,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:03,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 09:37:03,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:03,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:37:03,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:03,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:37:03,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:03,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:37:03,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:03,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:37:03,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:03,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:37:03,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:03,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:37:03,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:03,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:37:03,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:03,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:03,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:37:03,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856361991] [2021-03-24 09:37:03,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:37:03,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 09:37:03,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090758474] [2021-03-24 09:37:03,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 09:37:03,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:37:03,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 09:37:03,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-03-24 09:37:03,996 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 336 [2021-03-24 09:37:03,997 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 191 transitions, 2606 flow. Second operand has 12 states, 12 states have (on average 187.66666666666666) internal successors, (2252), 12 states have internal predecessors, (2252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:03,997 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:37:03,997 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 336 [2021-03-24 09:37:03,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:37:05,140 INFO L129 PetriNetUnfolder]: 7691/11626 cut-off events. [2021-03-24 09:37:05,140 INFO L130 PetriNetUnfolder]: For 171121/171150 co-relation queries the response was YES. [2021-03-24 09:37:05,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58464 conditions, 11626 events. 7691/11626 cut-off events. For 171121/171150 co-relation queries the response was YES. Maximal size of possible extension queue 709. Compared 73886 event pairs, 1756 based on Foata normal form. 55/8591 useless extension candidates. Maximal degree in co-relation 58420. Up to 8087 conditions per place. [2021-03-24 09:37:05,226 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 138 selfloop transitions, 15 changer transitions 38/223 dead transitions. [2021-03-24 09:37:05,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 223 transitions, 3384 flow [2021-03-24 09:37:05,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 09:37:05,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 09:37:05,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1746 transitions. [2021-03-24 09:37:05,228 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5773809523809523 [2021-03-24 09:37:05,228 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1746 transitions. [2021-03-24 09:37:05,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1746 transitions. [2021-03-24 09:37:05,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:37:05,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1746 transitions. [2021-03-24 09:37:05,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 194.0) internal successors, (1746), 9 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:05,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:05,231 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:05,231 INFO L185 Difference]: Start difference. First operand has 173 places, 191 transitions, 2606 flow. Second operand 9 states and 1746 transitions. [2021-03-24 09:37:05,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 223 transitions, 3384 flow [2021-03-24 09:37:05,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 223 transitions, 3306 flow, removed 30 selfloop flow, removed 7 redundant places. [2021-03-24 09:37:05,510 INFO L241 Difference]: Finished difference. Result has 176 places, 183 transitions, 2420 flow [2021-03-24 09:37:05,510 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2507, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2420, PETRI_PLACES=176, PETRI_TRANSITIONS=183} [2021-03-24 09:37:05,510 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 112 predicate places. [2021-03-24 09:37:05,510 INFO L480 AbstractCegarLoop]: Abstraction has has 176 places, 183 transitions, 2420 flow [2021-03-24 09:37:05,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 187.66666666666666) internal successors, (2252), 12 states have internal predecessors, (2252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:05,510 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:37:05,510 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:37:05,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-24 09:37:05,511 INFO L428 AbstractCegarLoop]: === Iteration 41 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:37:05,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:37:05,511 INFO L82 PathProgramCache]: Analyzing trace with hash -314524112, now seen corresponding path program 1 times [2021-03-24 09:37:05,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:37:05,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623755460] [2021-03-24 09:37:05,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:37:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:37:05,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:05,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:05,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:05,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 09:37:05,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:05,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 09:37:05,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:05,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 09:37:05,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:05,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 09:37:05,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:05,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:37:05,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:05,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:37:05,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:05,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:37:05,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:05,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:37:05,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:05,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:37:05,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:05,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:05,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:37:05,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623755460] [2021-03-24 09:37:05,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:37:05,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 09:37:05,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642128178] [2021-03-24 09:37:05,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 09:37:05,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:37:05,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 09:37:05,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-24 09:37:05,610 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 336 [2021-03-24 09:37:05,610 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 183 transitions, 2420 flow. Second operand has 10 states, 10 states have (on average 189.1) internal successors, (1891), 10 states have internal predecessors, (1891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:05,610 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:37:05,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 336 [2021-03-24 09:37:05,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:37:06,671 INFO L129 PetriNetUnfolder]: 7403/10977 cut-off events. [2021-03-24 09:37:06,671 INFO L130 PetriNetUnfolder]: For 165355/165417 co-relation queries the response was YES. [2021-03-24 09:37:06,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56725 conditions, 10977 events. 7403/10977 cut-off events. For 165355/165417 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 66143 event pairs, 1726 based on Foata normal form. 87/8244 useless extension candidates. Maximal degree in co-relation 56681. Up to 7891 conditions per place. [2021-03-24 09:37:06,755 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 170 selfloop transitions, 11 changer transitions 5/218 dead transitions. [2021-03-24 09:37:06,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 218 transitions, 3302 flow [2021-03-24 09:37:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 09:37:06,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 09:37:06,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1557 transitions. [2021-03-24 09:37:06,757 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5792410714285714 [2021-03-24 09:37:06,757 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1557 transitions. [2021-03-24 09:37:06,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1557 transitions. [2021-03-24 09:37:06,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:37:06,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1557 transitions. [2021-03-24 09:37:06,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 194.625) internal successors, (1557), 8 states have internal predecessors, (1557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:06,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:06,760 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:06,760 INFO L185 Difference]: Start difference. First operand has 176 places, 183 transitions, 2420 flow. Second operand 8 states and 1557 transitions. [2021-03-24 09:37:06,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 218 transitions, 3302 flow [2021-03-24 09:37:06,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 218 transitions, 3246 flow, removed 11 selfloop flow, removed 9 redundant places. [2021-03-24 09:37:06,987 INFO L241 Difference]: Finished difference. Result has 171 places, 181 transitions, 2376 flow [2021-03-24 09:37:06,987 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2336, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2376, PETRI_PLACES=171, PETRI_TRANSITIONS=181} [2021-03-24 09:37:06,987 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 107 predicate places. [2021-03-24 09:37:06,987 INFO L480 AbstractCegarLoop]: Abstraction has has 171 places, 181 transitions, 2376 flow [2021-03-24 09:37:06,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 189.1) internal successors, (1891), 10 states have internal predecessors, (1891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:06,988 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:37:06,988 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:37:06,988 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-24 09:37:06,988 INFO L428 AbstractCegarLoop]: === Iteration 42 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:37:06,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:37:06,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1034842334, now seen corresponding path program 2 times [2021-03-24 09:37:06,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:37:06,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415165790] [2021-03-24 09:37:06,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:37:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:37:07,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:07,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:07,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:07,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 09:37:07,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:07,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 09:37:07,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:07,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 09:37:07,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:07,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 09:37:07,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:07,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 09:37:07,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:07,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 09:37:07,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:07,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:37:07,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:07,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:37:07,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:07,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:37:07,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:07,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:37:07,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:07,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:37:07,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:07,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:37:07,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415165790] [2021-03-24 09:37:07,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:37:07,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 09:37:07,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75085291] [2021-03-24 09:37:07,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 09:37:07,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:37:07,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 09:37:07,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-24 09:37:07,209 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 336 [2021-03-24 09:37:07,210 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 181 transitions, 2376 flow. Second operand has 12 states, 12 states have (on average 186.75) internal successors, (2241), 12 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:07,210 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:37:07,210 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 336 [2021-03-24 09:37:07,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:37:08,541 INFO L129 PetriNetUnfolder]: 7923/11779 cut-off events. [2021-03-24 09:37:08,541 INFO L130 PetriNetUnfolder]: For 176219/176266 co-relation queries the response was YES. [2021-03-24 09:37:08,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59919 conditions, 11779 events. 7923/11779 cut-off events. For 176219/176266 co-relation queries the response was YES. Maximal size of possible extension queue 671. Compared 72120 event pairs, 1759 based on Foata normal form. 85/8849 useless extension candidates. Maximal degree in co-relation 59878. Up to 7613 conditions per place. [2021-03-24 09:37:08,622 INFO L132 encePairwiseOnDemand]: 325/336 looper letters, 173 selfloop transitions, 34 changer transitions 6/245 dead transitions. [2021-03-24 09:37:08,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 245 transitions, 3852 flow [2021-03-24 09:37:08,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 09:37:08,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 09:37:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1923 transitions. [2021-03-24 09:37:08,623 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5723214285714285 [2021-03-24 09:37:08,623 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1923 transitions. [2021-03-24 09:37:08,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1923 transitions. [2021-03-24 09:37:08,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:37:08,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1923 transitions. [2021-03-24 09:37:08,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 192.3) internal successors, (1923), 10 states have internal predecessors, (1923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:08,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:08,627 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:08,627 INFO L185 Difference]: Start difference. First operand has 171 places, 181 transitions, 2376 flow. Second operand 10 states and 1923 transitions. [2021-03-24 09:37:08,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 245 transitions, 3852 flow [2021-03-24 09:37:08,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 245 transitions, 3837 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-24 09:37:08,900 INFO L241 Difference]: Finished difference. Result has 178 places, 189 transitions, 2617 flow [2021-03-24 09:37:08,900 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2361, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2617, PETRI_PLACES=178, PETRI_TRANSITIONS=189} [2021-03-24 09:37:08,901 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 114 predicate places. [2021-03-24 09:37:08,901 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 189 transitions, 2617 flow [2021-03-24 09:37:08,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 186.75) internal successors, (2241), 12 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:08,901 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:37:08,901 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:37:08,901 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-24 09:37:08,901 INFO L428 AbstractCegarLoop]: === Iteration 43 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:37:08,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:37:08,901 INFO L82 PathProgramCache]: Analyzing trace with hash -528968369, now seen corresponding path program 1 times [2021-03-24 09:37:08,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:37:08,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839047282] [2021-03-24 09:37:08,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:37:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:37:08,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:08,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:08,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:08,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 09:37:08,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:08,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:37:08,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:08,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:37:08,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:08,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:37:08,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:08,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 09:37:08,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:08,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:37:09,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:09,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 09:37:09,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:09,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 09:37:09,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:09,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:37:09,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:09,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:37:09,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:09,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:09,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:37:09,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839047282] [2021-03-24 09:37:09,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:37:09,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 09:37:09,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399178540] [2021-03-24 09:37:09,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 09:37:09,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:37:09,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 09:37:09,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-03-24 09:37:09,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 336 [2021-03-24 09:37:09,066 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 189 transitions, 2617 flow. Second operand has 12 states, 12 states have (on average 187.75) internal successors, (2253), 12 states have internal predecessors, (2253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:09,066 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:37:09,066 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 336 [2021-03-24 09:37:09,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:37:10,401 INFO L129 PetriNetUnfolder]: 7422/11147 cut-off events. [2021-03-24 09:37:10,401 INFO L130 PetriNetUnfolder]: For 170563/170604 co-relation queries the response was YES. [2021-03-24 09:37:10,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55959 conditions, 11147 events. 7422/11147 cut-off events. For 170563/170604 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 68529 event pairs, 1656 based on Foata normal form. 196/8506 useless extension candidates. Maximal degree in co-relation 55915. Up to 6024 conditions per place. [2021-03-24 09:37:10,463 INFO L132 encePairwiseOnDemand]: 325/336 looper letters, 130 selfloop transitions, 31 changer transitions 25/218 dead transitions. [2021-03-24 09:37:10,463 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 218 transitions, 3452 flow [2021-03-24 09:37:10,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 09:37:10,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 09:37:10,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2111 transitions. [2021-03-24 09:37:10,465 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5711580086580087 [2021-03-24 09:37:10,465 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2111 transitions. [2021-03-24 09:37:10,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2111 transitions. [2021-03-24 09:37:10,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:37:10,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2111 transitions. [2021-03-24 09:37:10,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 191.9090909090909) internal successors, (2111), 11 states have internal predecessors, (2111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:10,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:10,468 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 336.0) internal successors, (4032), 12 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:10,468 INFO L185 Difference]: Start difference. First operand has 178 places, 189 transitions, 2617 flow. Second operand 11 states and 2111 transitions. [2021-03-24 09:37:10,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 218 transitions, 3452 flow [2021-03-24 09:37:10,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 218 transitions, 3413 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-24 09:37:10,608 INFO L241 Difference]: Finished difference. Result has 184 places, 179 transitions, 2529 flow [2021-03-24 09:37:10,609 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2483, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2529, PETRI_PLACES=184, PETRI_TRANSITIONS=179} [2021-03-24 09:37:10,609 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 120 predicate places. [2021-03-24 09:37:10,609 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 179 transitions, 2529 flow [2021-03-24 09:37:10,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 187.75) internal successors, (2253), 12 states have internal predecessors, (2253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:10,609 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:37:10,609 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:37:10,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-24 09:37:10,609 INFO L428 AbstractCegarLoop]: === Iteration 44 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:37:10,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:37:10,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1973654058, now seen corresponding path program 1 times [2021-03-24 09:37:10,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:37:10,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651107943] [2021-03-24 09:37:10,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:37:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:37:10,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:10,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:10,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:10,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 09:37:10,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:10,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:37:10,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:10,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-24 09:37:10,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:10,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 09:37:10,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:10,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:37:10,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:10,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:37:10,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:10,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:37:10,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:10,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:37:10,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:10,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:37:10,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:10,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:37:10,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:10,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:10,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:37:10,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651107943] [2021-03-24 09:37:10,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:37:10,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 09:37:10,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289820706] [2021-03-24 09:37:10,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 09:37:10,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:37:10,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 09:37:10,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-03-24 09:37:10,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 336 [2021-03-24 09:37:10,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 179 transitions, 2529 flow. Second operand has 12 states, 12 states have (on average 188.75) internal successors, (2265), 12 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:10,764 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:37:10,764 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 336 [2021-03-24 09:37:10,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:37:11,764 INFO L129 PetriNetUnfolder]: 5780/9119 cut-off events. [2021-03-24 09:37:11,764 INFO L130 PetriNetUnfolder]: For 126468/126489 co-relation queries the response was YES. [2021-03-24 09:37:11,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44810 conditions, 9119 events. 5780/9119 cut-off events. For 126468/126489 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 59830 event pairs, 1354 based on Foata normal form. 145/6929 useless extension candidates. Maximal degree in co-relation 44764. Up to 5228 conditions per place. [2021-03-24 09:37:11,834 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 118 selfloop transitions, 9 changer transitions 46/204 dead transitions. [2021-03-24 09:37:11,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 204 transitions, 3215 flow [2021-03-24 09:37:11,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 09:37:11,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 09:37:11,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1745 transitions. [2021-03-24 09:37:11,836 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5770502645502645 [2021-03-24 09:37:11,836 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1745 transitions. [2021-03-24 09:37:11,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1745 transitions. [2021-03-24 09:37:11,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:37:11,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1745 transitions. [2021-03-24 09:37:11,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 193.88888888888889) internal successors, (1745), 9 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:11,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:11,838 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:11,838 INFO L185 Difference]: Start difference. First operand has 184 places, 179 transitions, 2529 flow. Second operand 9 states and 1745 transitions. [2021-03-24 09:37:11,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 204 transitions, 3215 flow [2021-03-24 09:37:11,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 204 transitions, 3145 flow, removed 3 selfloop flow, removed 13 redundant places. [2021-03-24 09:37:11,990 INFO L241 Difference]: Finished difference. Result has 181 places, 156 transitions, 2118 flow [2021-03-24 09:37:11,990 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2301, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2118, PETRI_PLACES=181, PETRI_TRANSITIONS=156} [2021-03-24 09:37:11,990 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 117 predicate places. [2021-03-24 09:37:11,990 INFO L480 AbstractCegarLoop]: Abstraction has has 181 places, 156 transitions, 2118 flow [2021-03-24 09:37:11,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 188.75) internal successors, (2265), 12 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:11,991 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:37:11,991 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:37:11,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-24 09:37:11,991 INFO L428 AbstractCegarLoop]: === Iteration 45 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:37:11,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:37:11,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1590587750, now seen corresponding path program 3 times [2021-03-24 09:37:11,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:37:11,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777078245] [2021-03-24 09:37:11,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:37:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:37:12,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:12,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:12,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:12,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 09:37:12,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:12,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 09:37:12,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:12,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-24 09:37:12,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:12,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 09:37:12,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:12,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 09:37:12,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:12,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 09:37:12,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:12,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 09:37:12,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:12,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:37:12,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:12,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 09:37:12,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:12,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:37:12,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:12,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:37:12,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:12,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:12,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:37:12,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777078245] [2021-03-24 09:37:12,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:37:12,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 09:37:12,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370796915] [2021-03-24 09:37:12,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 09:37:12,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:37:12,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 09:37:12,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-03-24 09:37:12,214 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 336 [2021-03-24 09:37:12,215 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 156 transitions, 2118 flow. Second operand has 12 states, 12 states have (on average 186.75) internal successors, (2241), 12 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:12,215 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:37:12,215 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 336 [2021-03-24 09:37:12,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:37:13,095 INFO L129 PetriNetUnfolder]: 4828/7294 cut-off events. [2021-03-24 09:37:13,095 INFO L130 PetriNetUnfolder]: For 110372/110409 co-relation queries the response was YES. [2021-03-24 09:37:13,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37608 conditions, 7294 events. 4828/7294 cut-off events. For 110372/110409 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 42203 event pairs, 1171 based on Foata normal form. 76/5602 useless extension candidates. Maximal degree in co-relation 37564. Up to 3597 conditions per place. [2021-03-24 09:37:13,139 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 116 selfloop transitions, 27 changer transitions 61/235 dead transitions. [2021-03-24 09:37:13,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 235 transitions, 3805 flow [2021-03-24 09:37:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 09:37:13,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 09:37:13,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1936 transitions. [2021-03-24 09:37:13,140 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5761904761904761 [2021-03-24 09:37:13,141 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1936 transitions. [2021-03-24 09:37:13,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1936 transitions. [2021-03-24 09:37:13,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:37:13,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1936 transitions. [2021-03-24 09:37:13,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 193.6) internal successors, (1936), 10 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:13,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:13,144 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:13,144 INFO L185 Difference]: Start difference. First operand has 181 places, 156 transitions, 2118 flow. Second operand 10 states and 1936 transitions. [2021-03-24 09:37:13,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 235 transitions, 3805 flow [2021-03-24 09:37:13,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 235 transitions, 3653 flow, removed 16 selfloop flow, removed 20 redundant places. [2021-03-24 09:37:13,254 INFO L241 Difference]: Finished difference. Result has 160 places, 138 transitions, 1751 flow [2021-03-24 09:37:13,254 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1934, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1751, PETRI_PLACES=160, PETRI_TRANSITIONS=138} [2021-03-24 09:37:13,254 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 96 predicate places. [2021-03-24 09:37:13,255 INFO L480 AbstractCegarLoop]: Abstraction has has 160 places, 138 transitions, 1751 flow [2021-03-24 09:37:13,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 186.75) internal successors, (2241), 12 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:13,255 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:37:13,255 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:37:13,255 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-24 09:37:13,255 INFO L428 AbstractCegarLoop]: === Iteration 46 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:37:13,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:37:13,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1962340642, now seen corresponding path program 2 times [2021-03-24 09:37:13,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:37:13,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362216395] [2021-03-24 09:37:13,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:37:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:37:13,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:13,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:13,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:13,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 09:37:13,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:13,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 09:37:13,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:13,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 09:37:13,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:13,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 09:37:13,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:13,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 09:37:13,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:13,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:37:13,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:13,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:37:13,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:13,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:37:13,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:13,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:37:13,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:13,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:37:13,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:13,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:37:13,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:13,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:13,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:37:13,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362216395] [2021-03-24 09:37:13,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:37:13,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 09:37:13,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807758017] [2021-03-24 09:37:13,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 09:37:13,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:37:13,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 09:37:13,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-24 09:37:13,456 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 336 [2021-03-24 09:37:13,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 138 transitions, 1751 flow. Second operand has 12 states, 12 states have (on average 186.75) internal successors, (2241), 12 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:13,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:37:13,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 336 [2021-03-24 09:37:13,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:37:14,338 INFO L129 PetriNetUnfolder]: 3448/5541 cut-off events. [2021-03-24 09:37:14,338 INFO L130 PetriNetUnfolder]: For 70221/70246 co-relation queries the response was YES. [2021-03-24 09:37:14,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26139 conditions, 5541 events. 3448/5541 cut-off events. For 70221/70246 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 34434 event pairs, 921 based on Foata normal form. 124/4311 useless extension candidates. Maximal degree in co-relation 26102. Up to 3001 conditions per place. [2021-03-24 09:37:14,371 INFO L132 encePairwiseOnDemand]: 325/336 looper letters, 81 selfloop transitions, 16 changer transitions 47/175 dead transitions. [2021-03-24 09:37:14,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 175 transitions, 2595 flow [2021-03-24 09:37:14,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 09:37:14,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 09:37:14,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2288 transitions. [2021-03-24 09:37:14,372 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5674603174603174 [2021-03-24 09:37:14,372 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2288 transitions. [2021-03-24 09:37:14,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2288 transitions. [2021-03-24 09:37:14,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:37:14,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2288 transitions. [2021-03-24 09:37:14,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 190.66666666666666) internal successors, (2288), 12 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:14,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 336.0) internal successors, (4368), 13 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:14,376 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 336.0) internal successors, (4368), 13 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:14,376 INFO L185 Difference]: Start difference. First operand has 160 places, 138 transitions, 1751 flow. Second operand 12 states and 2288 transitions. [2021-03-24 09:37:14,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 175 transitions, 2595 flow [2021-03-24 09:37:14,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 175 transitions, 2235 flow, removed 4 selfloop flow, removed 15 redundant places. [2021-03-24 09:37:14,431 INFO L241 Difference]: Finished difference. Result has 158 places, 121 transitions, 1233 flow [2021-03-24 09:37:14,431 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1389, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1233, PETRI_PLACES=158, PETRI_TRANSITIONS=121} [2021-03-24 09:37:14,431 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 94 predicate places. [2021-03-24 09:37:14,431 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 121 transitions, 1233 flow [2021-03-24 09:37:14,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 186.75) internal successors, (2241), 12 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:14,432 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:37:14,432 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:37:14,432 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-24 09:37:14,432 INFO L428 AbstractCegarLoop]: === Iteration 47 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:37:14,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:37:14,432 INFO L82 PathProgramCache]: Analyzing trace with hash 29116889, now seen corresponding path program 2 times [2021-03-24 09:37:14,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:37:14,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071462464] [2021-03-24 09:37:14,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:37:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:37:14,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:14,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:14,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:14,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 09:37:14,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:14,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 09:37:14,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:14,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 09:37:14,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:14,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-24 09:37:14,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:14,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 09:37:14,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:14,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 09:37:14,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:14,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:37:14,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:14,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:37:14,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:14,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 09:37:14,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:14,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 09:37:14,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:14,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 09:37:14,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:14,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:37:14,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:14,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:37:14,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071462464] [2021-03-24 09:37:14,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:37:14,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-24 09:37:14,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336778190] [2021-03-24 09:37:14,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 09:37:14,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:37:14,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 09:37:14,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-03-24 09:37:14,692 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 336 [2021-03-24 09:37:14,692 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 121 transitions, 1233 flow. Second operand has 13 states, 13 states have (on average 184.6153846153846) internal successors, (2400), 13 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:14,693 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:37:14,693 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 336 [2021-03-24 09:37:14,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:37:15,489 INFO L129 PetriNetUnfolder]: 2718/4116 cut-off events. [2021-03-24 09:37:15,489 INFO L130 PetriNetUnfolder]: For 37994/38021 co-relation queries the response was YES. [2021-03-24 09:37:15,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17596 conditions, 4116 events. 2718/4116 cut-off events. For 37994/38021 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 20985 event pairs, 351 based on Foata normal form. 53/3231 useless extension candidates. Maximal degree in co-relation 17562. Up to 1888 conditions per place. [2021-03-24 09:37:15,510 INFO L132 encePairwiseOnDemand]: 324/336 looper letters, 97 selfloop transitions, 20 changer transitions 6/152 dead transitions. [2021-03-24 09:37:15,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 152 transitions, 1841 flow [2021-03-24 09:37:15,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 09:37:15,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 09:37:15,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1888 transitions. [2021-03-24 09:37:15,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5619047619047619 [2021-03-24 09:37:15,511 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1888 transitions. [2021-03-24 09:37:15,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1888 transitions. [2021-03-24 09:37:15,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:37:15,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1888 transitions. [2021-03-24 09:37:15,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 188.8) internal successors, (1888), 10 states have internal predecessors, (1888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:15,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:15,514 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:15,514 INFO L185 Difference]: Start difference. First operand has 158 places, 121 transitions, 1233 flow. Second operand 10 states and 1888 transitions. [2021-03-24 09:37:15,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 152 transitions, 1841 flow [2021-03-24 09:37:15,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 152 transitions, 1750 flow, removed 6 selfloop flow, removed 16 redundant places. [2021-03-24 09:37:15,544 INFO L241 Difference]: Finished difference. Result has 140 places, 113 transitions, 1076 flow [2021-03-24 09:37:15,544 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1076, PETRI_PLACES=140, PETRI_TRANSITIONS=113} [2021-03-24 09:37:15,545 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 76 predicate places. [2021-03-24 09:37:15,545 INFO L480 AbstractCegarLoop]: Abstraction has has 140 places, 113 transitions, 1076 flow [2021-03-24 09:37:15,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 184.6153846153846) internal successors, (2400), 13 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:15,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:37:15,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:37:15,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-24 09:37:15,545 INFO L428 AbstractCegarLoop]: === Iteration 48 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:37:15,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:37:15,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1706032398, now seen corresponding path program 1 times [2021-03-24 09:37:15,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:37:15,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271852007] [2021-03-24 09:37:15,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:37:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:37:15,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:15,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:15,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:15,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 09:37:15,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:15,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 09:37:15,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:15,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 09:37:15,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:15,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:37:15,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:15,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 09:37:15,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:15,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:37:15,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:15,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:37:15,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:15,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:37:15,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:15,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:37:15,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:15,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 09:37:15,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:15,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:37:15,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:15,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:37:15,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:15,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:15,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:37:15,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271852007] [2021-03-24 09:37:15,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:37:15,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-24 09:37:15,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823881567] [2021-03-24 09:37:15,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 09:37:15,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:37:15,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 09:37:15,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-03-24 09:37:15,711 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 336 [2021-03-24 09:37:15,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 113 transitions, 1076 flow. Second operand has 13 states, 13 states have (on average 184.6153846153846) internal successors, (2400), 13 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:15,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:37:15,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 336 [2021-03-24 09:37:15,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:37:16,363 INFO L129 PetriNetUnfolder]: 2684/4382 cut-off events. [2021-03-24 09:37:16,363 INFO L130 PetriNetUnfolder]: For 39875/39886 co-relation queries the response was YES. [2021-03-24 09:37:16,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19042 conditions, 4382 events. 2684/4382 cut-off events. For 39875/39886 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 27008 event pairs, 338 based on Foata normal form. 86/3521 useless extension candidates. Maximal degree in co-relation 19013. Up to 1560 conditions per place. [2021-03-24 09:37:16,382 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 90 selfloop transitions, 15 changer transitions 39/175 dead transitions. [2021-03-24 09:37:16,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 175 transitions, 2076 flow [2021-03-24 09:37:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 09:37:16,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 09:37:16,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1713 transitions. [2021-03-24 09:37:16,384 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.566468253968254 [2021-03-24 09:37:16,384 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1713 transitions. [2021-03-24 09:37:16,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1713 transitions. [2021-03-24 09:37:16,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:37:16,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1713 transitions. [2021-03-24 09:37:16,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 190.33333333333334) internal successors, (1713), 9 states have internal predecessors, (1713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:16,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:16,386 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:16,386 INFO L185 Difference]: Start difference. First operand has 140 places, 113 transitions, 1076 flow. Second operand 9 states and 1713 transitions. [2021-03-24 09:37:16,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 175 transitions, 2076 flow [2021-03-24 09:37:16,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 175 transitions, 2036 flow, removed 0 selfloop flow, removed 9 redundant places. [2021-03-24 09:37:16,419 INFO L241 Difference]: Finished difference. Result has 141 places, 109 transitions, 1068 flow [2021-03-24 09:37:16,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1068, PETRI_PLACES=141, PETRI_TRANSITIONS=109} [2021-03-24 09:37:16,419 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 77 predicate places. [2021-03-24 09:37:16,419 INFO L480 AbstractCegarLoop]: Abstraction has has 141 places, 109 transitions, 1068 flow [2021-03-24 09:37:16,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 184.6153846153846) internal successors, (2400), 13 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:16,420 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:37:16,420 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:37:16,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-24 09:37:16,420 INFO L428 AbstractCegarLoop]: === Iteration 49 === [thread0Err1INUSE_VIOLATION, thread0Thread1of1ForFork4Err0INUSE_VIOLATION, thread0Err6INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err3INUSE_VIOLATION, thread0Thread1of1ForFork4Err9INUSE_VIOLATION, thread0Err8INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err7INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-24 09:37:16,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:37:16,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1244803894, now seen corresponding path program 3 times [2021-03-24 09:37:16,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:37:16,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432933561] [2021-03-24 09:37:16,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:37:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:37:16,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:16,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:16,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:16,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 09:37:16,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:16,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 09:37:16,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:16,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 09:37:16,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:16,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 09:37:16,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:16,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-24 09:37:16,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:16,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:37:16,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:16,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-24 09:37:16,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:16,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 09:37:16,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:16,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 09:37:16,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:16,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 09:37:16,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:16,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 09:37:16,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:16,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:37:16,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:37:16,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:37:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:37:16,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432933561] [2021-03-24 09:37:16,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:37:16,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-24 09:37:16,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386899691] [2021-03-24 09:37:16,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 09:37:16,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:37:16,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 09:37:16,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-03-24 09:37:16,595 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 336 [2021-03-24 09:37:16,596 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 109 transitions, 1068 flow. Second operand has 13 states, 13 states have (on average 184.6153846153846) internal successors, (2400), 13 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:16,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:37:16,596 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 336 [2021-03-24 09:37:16,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:37:16,901 INFO L129 PetriNetUnfolder]: 1070/1752 cut-off events. [2021-03-24 09:37:16,901 INFO L130 PetriNetUnfolder]: For 20402/20405 co-relation queries the response was YES. [2021-03-24 09:37:16,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8470 conditions, 1752 events. 1070/1752 cut-off events. For 20402/20405 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 8754 event pairs, 112 based on Foata normal form. 85/1512 useless extension candidates. Maximal degree in co-relation 8439. Up to 763 conditions per place. [2021-03-24 09:37:16,908 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 0 selfloop transitions, 0 changer transitions 120/120 dead transitions. [2021-03-24 09:37:16,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 120 transitions, 1453 flow [2021-03-24 09:37:16,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 09:37:16,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 09:37:16,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1501 transitions. [2021-03-24 09:37:16,909 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5584077380952381 [2021-03-24 09:37:16,909 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1501 transitions. [2021-03-24 09:37:16,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1501 transitions. [2021-03-24 09:37:16,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:37:16,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1501 transitions. [2021-03-24 09:37:16,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 187.625) internal successors, (1501), 8 states have internal predecessors, (1501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:16,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:16,912 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 336.0) internal successors, (3024), 9 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:16,912 INFO L185 Difference]: Start difference. First operand has 141 places, 109 transitions, 1068 flow. Second operand 8 states and 1501 transitions. [2021-03-24 09:37:16,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 120 transitions, 1453 flow [2021-03-24 09:37:16,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 120 transitions, 1344 flow, removed 11 selfloop flow, removed 11 redundant places. [2021-03-24 09:37:16,928 INFO L241 Difference]: Finished difference. Result has 114 places, 0 transitions, 0 flow [2021-03-24 09:37:16,929 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=114, PETRI_TRANSITIONS=0} [2021-03-24 09:37:16,929 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 50 predicate places. [2021-03-24 09:37:16,929 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 0 transitions, 0 flow [2021-03-24 09:37:16,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 184.6153846153846) internal successors, (2400), 13 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 09:37:16,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-24 09:37:16,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 09:37:16 BasicIcfg [2021-03-24 09:37:16,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 09:37:16,933 INFO L168 Benchmark]: Toolchain (without parser) took 141238.06 ms. Allocated memory was 364.9 MB in the beginning and 15.3 GB in the end (delta: 14.9 GB). Free memory was 327.1 MB in the beginning and 8.3 GB in the end (delta: -7.9 GB). Peak memory consumption was 7.0 GB. Max. memory is 16.0 GB. [2021-03-24 09:37:16,933 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 364.9 MB. Free memory was 346.1 MB in the beginning and 346.1 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 09:37:16,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.70 ms. Allocated memory is still 364.9 MB. Free memory was 326.9 MB in the beginning and 289.6 MB in the end (delta: 37.2 MB). Peak memory consumption was 38.9 MB. Max. memory is 16.0 GB. [2021-03-24 09:37:16,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.32 ms. Allocated memory is still 364.9 MB. Free memory was 289.6 MB in the beginning and 287.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-24 09:37:16,933 INFO L168 Benchmark]: Boogie Preprocessor took 20.10 ms. Allocated memory is still 364.9 MB. Free memory was 286.2 MB in the beginning and 285.4 MB in the end (delta: 799.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 09:37:16,933 INFO L168 Benchmark]: RCFGBuilder took 494.20 ms. Allocated memory is still 364.9 MB. Free memory was 285.4 MB in the beginning and 256.4 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-03-24 09:37:16,933 INFO L168 Benchmark]: TraceAbstraction took 140021.90 ms. Allocated memory was 364.9 MB in the beginning and 15.3 GB in the end (delta: 14.9 GB). Free memory was 256.4 MB in the beginning and 8.3 GB in the end (delta: -8.0 GB). Peak memory consumption was 6.9 GB. Max. memory is 16.0 GB. [2021-03-24 09:37:16,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 364.9 MB. Free memory was 346.1 MB in the beginning and 346.1 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 659.70 ms. Allocated memory is still 364.9 MB. Free memory was 326.9 MB in the beginning and 289.6 MB in the end (delta: 37.2 MB). Peak memory consumption was 38.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 35.32 ms. Allocated memory is still 364.9 MB. Free memory was 289.6 MB in the beginning and 287.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.10 ms. Allocated memory is still 364.9 MB. Free memory was 286.2 MB in the beginning and 285.4 MB in the end (delta: 799.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 494.20 ms. Allocated memory is still 364.9 MB. Free memory was 285.4 MB in the beginning and 256.4 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 140021.90 ms. Allocated memory was 364.9 MB in the beginning and 15.3 GB in the end (delta: 14.9 GB). Free memory was 256.4 MB in the beginning and 8.3 GB in the end (delta: -8.0 GB). Peak memory consumption was 6.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2014.1ms, 125 PlacesBefore, 64 PlacesAfterwards, 147 TransitionsBefore, 85 TransitionsAfterwards, 4982 CoEnabledTransitionPairs, 5 FixpointIterations, 9 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 70 TotalNumberOfCompositions, 2660 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2304, positive: 2297, positive conditional: 0, positive unconditional: 2297, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1930, positive: 1923, positive conditional: 0, positive unconditional: 1923, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1930, positive: 1923, positive conditional: 0, positive unconditional: 1923, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2304, positive: 374, positive conditional: 0, positive unconditional: 374, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1930, unknown conditional: 0, unknown unconditional: 1930] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 1123]: 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 5 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 139742.4ms, OverallIterations: 49, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 130423.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2156.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1453 SDtfs, 3003 SDslu, 3414 SDs, 0 SdLazy, 12966 SolverSat, 1358 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6709.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 763 GetRequests, 90 SyntacticMatches, 22 SemanticMatches, 651 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 11960.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=6176occurred in iteration=31, InterpolantAutomatonStates: 476, 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: 79.3ms SsaConstructionTime, 429.8ms SatisfiabilityAnalysisTime, 6272.5ms InterpolantComputationTime, 1196 NumberOfCodeBlocks, 1196 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 1147 ConstructedInterpolants, 0 QuantifiedInterpolants, 16138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 49 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...