/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-lit/fkp2014.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 01:00:37,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 01:00:37,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 01:00:37,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 01:00:37,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 01:00:37,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 01:00:37,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 01:00:37,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 01:00:37,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 01:00:37,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 01:00:37,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 01:00:37,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 01:00:37,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 01:00:37,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 01:00:37,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 01:00:37,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 01:00:37,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 01:00:37,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 01:00:37,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 01:00:37,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 01:00:37,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 01:00:37,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 01:00:37,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 01:00:37,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 01:00:37,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 01:00:37,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 01:00:37,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 01:00:37,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 01:00:37,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 01:00:37,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 01:00:37,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 01:00:37,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 01:00:37,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 01:00:37,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 01:00:37,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 01:00:37,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 01:00:37,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 01:00:37,968 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 01:00:37,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 01:00:37,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 01:00:37,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 01:00:37,973 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 01:00:37,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 01:00:37,973 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 01:00:37,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 01:00:37,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 01:00:37,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 01:00:37,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 01:00:37,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 01:00:37,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 01:00:37,976 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 01:00:37,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 01:00:37,976 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 01:00:37,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 01:00:37,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 01:00:37,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 01:00:37,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 01:00:37,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 01:00:37,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 01:00:37,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 01:00:37,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 01:00:37,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 01:00:37,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 01:00:37,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 01:00:37,979 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 01:00:37,980 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 01:00:37,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 01:00:37,980 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 01:00:38,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 01:00:38,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 01:00:38,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 01:00:38,402 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 01:00:38,403 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 01:00:38,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2014.i [2021-04-29 01:00:38,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ccc56a60/fd46968d0a1a41d6ac31a5dc6dad3cd3/FLAG88691b827 [2021-04-29 01:00:39,271 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 01:00:39,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2014.i [2021-04-29 01:00:39,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ccc56a60/fd46968d0a1a41d6ac31a5dc6dad3cd3/FLAG88691b827 [2021-04-29 01:00:39,475 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ccc56a60/fd46968d0a1a41d6ac31a5dc6dad3cd3 [2021-04-29 01:00:39,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 01:00:39,527 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 01:00:39,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 01:00:39,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 01:00:39,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 01:00:39,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 01:00:39" (1/1) ... [2021-04-29 01:00:39,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485f785e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:00:39, skipping insertion in model container [2021-04-29 01:00:39,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 01:00:39" (1/1) ... [2021-04-29 01:00:39,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 01:00:39,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 01:00:40,040 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-lit/fkp2014.i[30003,30016] [2021-04-29 01:00:40,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 01:00:40,073 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 01:00:40,142 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-lit/fkp2014.i[30003,30016] [2021-04-29 01:00:40,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 01:00:40,264 INFO L208 MainTranslator]: Completed translation [2021-04-29 01:00:40,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:00:40 WrapperNode [2021-04-29 01:00:40,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 01:00:40,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 01:00:40,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 01:00:40,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 01:00:40,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:00:40" (1/1) ... [2021-04-29 01:00:40,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:00:40" (1/1) ... [2021-04-29 01:00:40,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 01:00:40,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 01:00:40,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 01:00:40,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 01:00:40,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:00:40" (1/1) ... [2021-04-29 01:00:40,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:00:40" (1/1) ... [2021-04-29 01:00:40,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:00:40" (1/1) ... [2021-04-29 01:00:40,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:00:40" (1/1) ... [2021-04-29 01:00:40,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:00:40" (1/1) ... [2021-04-29 01:00:40,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:00:40" (1/1) ... [2021-04-29 01:00:40,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:00:40" (1/1) ... [2021-04-29 01:00:40,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 01:00:40,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 01:00:40,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 01:00:40,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 01:00:40,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:00:40" (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 [2021-04-29 01:00:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 01:00:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-29 01:00:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2021-04-29 01:00:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2021-04-29 01:00:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 01:00:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 01:00:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 01:00:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-29 01:00:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 01:00:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 01:00:40,535 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 01:00:40,898 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 01:00:40,899 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-04-29 01:00:40,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 01:00:40 BoogieIcfgContainer [2021-04-29 01:00:40,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 01:00:40,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 01:00:40,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 01:00:40,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 01:00:40,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 01:00:39" (1/3) ... [2021-04-29 01:00:40,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79407361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 01:00:40, skipping insertion in model container [2021-04-29 01:00:40,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:00:40" (2/3) ... [2021-04-29 01:00:40,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79407361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 01:00:40, skipping insertion in model container [2021-04-29 01:00:40,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 01:00:40" (3/3) ... [2021-04-29 01:00:40,914 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2014.i [2021-04-29 01:00:40,922 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 01:00:40,928 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 01:00:40,930 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 01:00:40,962 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,962 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,963 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,963 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,963 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,964 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,964 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,964 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,965 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,965 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,965 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,965 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,966 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,966 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,967 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,967 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,967 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,968 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,968 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,968 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,968 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,969 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,969 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,969 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,970 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,970 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,971 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,971 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,971 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,972 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,972 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,972 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,979 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,979 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,980 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,981 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,981 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,982 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:40,991 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 01:00:41,035 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-04-29 01:00:41,084 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 01:00:41,084 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 01:00:41,084 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 01:00:41,085 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 01:00:41,085 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 01:00:41,085 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 01:00:41,085 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 01:00:41,086 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 01:00:41,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 55 transitions, 115 flow [2021-04-29 01:00:41,187 INFO L129 PetriNetUnfolder]: 4/64 cut-off events. [2021-04-29 01:00:41,188 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:00:41,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 4/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2021-04-29 01:00:41,196 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 55 transitions, 115 flow [2021-04-29 01:00:41,204 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 55 transitions, 115 flow [2021-04-29 01:00:41,206 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:00:41,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 55 transitions, 115 flow [2021-04-29 01:00:41,229 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 55 transitions, 115 flow [2021-04-29 01:00:41,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 55 transitions, 115 flow [2021-04-29 01:00:41,270 INFO L129 PetriNetUnfolder]: 4/64 cut-off events. [2021-04-29 01:00:41,271 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:00:41,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 4/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 72 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2021-04-29 01:00:41,275 INFO L146 LiptonReduction]: Number of co-enabled transitions 420 [2021-04-29 01:00:47,151 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:00:47,329 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:00:47,509 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:00:47,697 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:00:48,650 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:00:48,828 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:00:49,003 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:00:49,197 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:00:49,422 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-04-29 01:00:49,659 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-04-29 01:00:49,860 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:00:50,034 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:00:53,535 INFO L158 LiptonReduction]: Checked pairs total: 890 [2021-04-29 01:00:53,535 INFO L160 LiptonReduction]: Total number of compositions: 144 [2021-04-29 01:00:53,539 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12335 [2021-04-29 01:00:53,558 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-04-29 01:00:53,559 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:00:53,559 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:00:53,560 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-04-29 01:00:53,560 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:00:53,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:00:53,566 INFO L82 PathProgramCache]: Analyzing trace with hash 9795735, now seen corresponding path program 1 times [2021-04-29 01:00:53,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:00:53,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632999743] [2021-04-29 01:00:53,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:00:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:00:53,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:00:53,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:00:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:00:53,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632999743] [2021-04-29 01:00:53,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:00:53,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 01:00:53,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255501333] [2021-04-29 01:00:53,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 01:00:53,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:00:53,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 01:00:53,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 01:00:53,822 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 199 [2021-04-29 01:00:53,825 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 71 transitions, 147 flow. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:00:53,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:00:53,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 199 [2021-04-29 01:00:53,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:00:53,939 INFO L129 PetriNetUnfolder]: 0/76 cut-off events. [2021-04-29 01:00:53,939 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:00:53,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 76 events. 0/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 500 event pairs, 0 based on Foata normal form. 0/9 useless extension candidates. Maximal degree in co-relation 0. Up to 23 conditions per place. [2021-04-29 01:00:53,942 INFO L132 encePairwiseOnDemand]: 159/199 looper letters, 0 selfloop transitions, 16 changer transitions 45/67 dead transitions. [2021-04-29 01:00:53,942 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 67 transitions, 217 flow [2021-04-29 01:00:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 01:00:53,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 01:00:53,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2021-04-29 01:00:53,961 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5912897822445561 [2021-04-29 01:00:53,962 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 353 transitions. [2021-04-29 01:00:53,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 353 transitions. [2021-04-29 01:00:53,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:00:53,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 353 transitions. [2021-04-29 01:00:53,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:00:53,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:00:53,981 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:00:53,983 INFO L185 Difference]: Start difference. First operand has 74 places, 71 transitions, 147 flow. Second operand 3 states and 353 transitions. [2021-04-29 01:00:53,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 67 transitions, 217 flow [2021-04-29 01:00:53,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 67 transitions, 217 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 01:00:53,990 INFO L241 Difference]: Finished difference. Result has 72 places, 22 transitions, 81 flow [2021-04-29 01:00:53,993 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=72, PETRI_TRANSITIONS=22} [2021-04-29 01:00:53,994 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, -2 predicate places. [2021-04-29 01:00:53,994 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:00:53,994 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 22 transitions, 81 flow [2021-04-29 01:00:53,995 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 22 transitions, 81 flow [2021-04-29 01:00:53,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 22 transitions, 81 flow [2021-04-29 01:00:53,999 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-04-29 01:00:53,999 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:00:54,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 23 events. 0/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 105 event pairs, 0 based on Foata normal form. 0/8 useless extension candidates. Maximal degree in co-relation 0. Up to 16 conditions per place. [2021-04-29 01:00:54,000 INFO L146 LiptonReduction]: Number of co-enabled transitions 102 [2021-04-29 01:00:54,002 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:00:54,003 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:00:54,003 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-04-29 01:00:54,005 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 22 transitions, 81 flow [2021-04-29 01:00:54,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:00:54,006 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:00:54,006 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 01:00:54,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 01:00:54,007 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:00:54,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:00:54,007 INFO L82 PathProgramCache]: Analyzing trace with hash 303666495, now seen corresponding path program 1 times [2021-04-29 01:00:54,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:00:54,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913379064] [2021-04-29 01:00:54,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:00:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 01:00:54,039 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 01:00:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 01:00:54,060 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 01:00:54,083 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 01:00:54,083 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 01:00:54,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 01:00:54,086 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-29 01:00:54,087 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-04-29 01:00:54,101 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,101 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,102 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,102 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,103 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,103 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,103 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,104 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,104 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,104 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,104 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,104 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,104 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,105 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,105 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,105 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,105 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,105 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,105 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,106 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,106 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,106 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,106 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,106 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,107 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,107 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,107 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,107 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,108 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,108 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,108 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,108 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,110 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,110 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,110 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,110 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,111 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,111 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,111 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,111 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,111 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,111 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,112 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,112 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,112 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,112 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,113 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,113 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,113 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,114 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,114 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,114 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,114 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,114 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,114 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,114 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,115 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,115 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,115 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,115 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,115 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,116 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,116 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,116 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,116 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,116 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,117 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,117 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,117 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,117 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,118 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,118 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,124 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,124 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,125 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,125 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,130 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,130 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,131 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,131 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:00:54,136 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 01:00:54,136 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-04-29 01:00:54,138 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 01:00:54,138 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 01:00:54,138 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 01:00:54,138 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 01:00:54,139 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 01:00:54,139 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 01:00:54,139 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 01:00:54,139 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 01:00:54,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 71 transitions, 154 flow [2021-04-29 01:00:54,178 INFO L129 PetriNetUnfolder]: 6/93 cut-off events. [2021-04-29 01:00:54,179 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 01:00:54,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 93 events. 6/93 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 145 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 65. Up to 6 conditions per place. [2021-04-29 01:00:54,180 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 71 transitions, 154 flow [2021-04-29 01:00:54,182 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 71 transitions, 154 flow [2021-04-29 01:00:54,182 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:00:54,182 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 71 transitions, 154 flow [2021-04-29 01:00:54,182 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 71 transitions, 154 flow [2021-04-29 01:00:54,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 71 transitions, 154 flow [2021-04-29 01:00:54,213 INFO L129 PetriNetUnfolder]: 6/93 cut-off events. [2021-04-29 01:00:54,214 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 01:00:54,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 93 events. 6/93 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 153 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 65. Up to 6 conditions per place. [2021-04-29 01:00:54,217 INFO L146 LiptonReduction]: Number of co-enabled transitions 1320 [2021-04-29 01:00:58,464 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 01:00:59,737 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:00:59,923 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:00,222 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 01:01:00,403 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:00,599 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:01,207 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 01:01:01,382 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:01,561 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:02,024 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:02,211 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:02,408 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:02,600 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:02,825 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-04-29 01:01:03,056 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-04-29 01:01:05,434 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:01:06,168 INFO L158 LiptonReduction]: Checked pairs total: 9583 [2021-04-29 01:01:06,168 INFO L160 LiptonReduction]: Total number of compositions: 142 [2021-04-29 01:01:06,171 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11989 [2021-04-29 01:01:06,188 INFO L129 PetriNetUnfolder]: 0/55 cut-off events. [2021-04-29 01:01:06,188 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:01:06,189 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:01:06,190 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 01:01:06,190 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-29 01:01:06,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:01:06,191 INFO L82 PathProgramCache]: Analyzing trace with hash 527028946, now seen corresponding path program 1 times [2021-04-29 01:01:06,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:01:06,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051028197] [2021-04-29 01:01:06,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:01:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:01:06,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:01:06,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:01:06,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:01:06,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:01:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:01:06,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051028197] [2021-04-29 01:01:06,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:01:06,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 01:01:06,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779238309] [2021-04-29 01:01:06,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 01:01:06,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:01:06,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 01:01:06,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 01:01:06,291 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 213 [2021-04-29 01:01:06,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 83 transitions, 178 flow. Second operand has 4 states, 4 states have (on average 119.75) internal successors, (479), 4 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:01:06,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:01:06,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 213 [2021-04-29 01:01:06,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:01:06,540 INFO L129 PetriNetUnfolder]: 110/334 cut-off events. [2021-04-29 01:01:06,540 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 01:01:06,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 334 events. 110/334 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2030 event pairs, 40 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 530. Up to 131 conditions per place. [2021-04-29 01:01:06,552 INFO L132 encePairwiseOnDemand]: 175/213 looper letters, 41 selfloop transitions, 11 changer transitions 33/106 dead transitions. [2021-04-29 01:01:06,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 106 transitions, 374 flow [2021-04-29 01:01:06,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 01:01:06,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 01:01:06,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 554 transitions. [2021-04-29 01:01:06,558 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6502347417840375 [2021-04-29 01:01:06,558 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 554 transitions. [2021-04-29 01:01:06,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 554 transitions. [2021-04-29 01:01:06,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:01:06,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 554 transitions. [2021-04-29 01:01:06,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 138.5) internal successors, (554), 4 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:01:06,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:01:06,567 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:01:06,567 INFO L185 Difference]: Start difference. First operand has 88 places, 83 transitions, 178 flow. Second operand 4 states and 554 transitions. [2021-04-29 01:01:06,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 106 transitions, 374 flow [2021-04-29 01:01:06,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 106 transitions, 372 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-04-29 01:01:06,572 INFO L241 Difference]: Finished difference. Result has 91 places, 58 transitions, 193 flow [2021-04-29 01:01:06,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=193, PETRI_PLACES=91, PETRI_TRANSITIONS=58} [2021-04-29 01:01:06,573 INFO L343 CegarLoopForPetriNet]: 88 programPoint places, 3 predicate places. [2021-04-29 01:01:06,573 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:01:06,574 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 58 transitions, 193 flow [2021-04-29 01:01:06,574 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 58 transitions, 193 flow [2021-04-29 01:01:06,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 58 transitions, 193 flow [2021-04-29 01:01:06,587 INFO L129 PetriNetUnfolder]: 13/116 cut-off events. [2021-04-29 01:01:06,587 INFO L130 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2021-04-29 01:01:06,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 116 events. 13/116 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 691 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 158. Up to 43 conditions per place. [2021-04-29 01:01:06,591 INFO L146 LiptonReduction]: Number of co-enabled transitions 1510 [2021-04-29 01:01:06,612 INFO L158 LiptonReduction]: Checked pairs total: 336 [2021-04-29 01:01:06,612 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:01:06,612 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-04-29 01:01:06,617 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 58 transitions, 193 flow [2021-04-29 01:01:06,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 119.75) internal successors, (479), 4 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:01:06,618 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:01:06,619 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1] [2021-04-29 01:01:06,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 01:01:06,620 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-29 01:01:06,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:01:06,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1649765367, now seen corresponding path program 1 times [2021-04-29 01:01:06,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:01:06,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489714430] [2021-04-29 01:01:06,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:01:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 01:01:06,676 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 01:01:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 01:01:06,709 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 01:01:06,720 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 01:01:06,720 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 01:01:06,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 01:01:06,720 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-29 01:01:06,722 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-04-29 01:01:06,730 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,730 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,730 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,730 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,730 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,731 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,731 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,731 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,731 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,731 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,731 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,731 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,732 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,732 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,732 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,732 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,732 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,732 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,732 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,733 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,733 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,733 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,733 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,733 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,733 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,733 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,734 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,734 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,734 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,734 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,734 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,734 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,735 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,735 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,735 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,735 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,735 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,735 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,736 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,736 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,736 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,736 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,736 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,736 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,736 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,736 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,736 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,736 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,737 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,737 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,737 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,737 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,737 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,737 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,737 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,737 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,738 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,738 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,738 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,738 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,738 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,738 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,738 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,739 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,739 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,739 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,739 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,739 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,739 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,740 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,740 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,740 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,740 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,740 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,740 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,740 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,741 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,741 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,741 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,741 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,741 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,741 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,742 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,742 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,742 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,742 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,742 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,742 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,743 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,743 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,743 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,743 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,743 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,743 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,743 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,744 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,744 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,744 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,744 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,745 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,745 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,745 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,745 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,745 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,746 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,747 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,747 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,747 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,747 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,747 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,748 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,748 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,749 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,749 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,749 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,749 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,749 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,750 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,750 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,750 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:06,751 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 01:01:06,751 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-29 01:01:06,753 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 01:01:06,753 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 01:01:06,753 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 01:01:06,753 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 01:01:06,753 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 01:01:06,753 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 01:01:06,753 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 01:01:06,753 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 01:01:06,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 87 transitions, 195 flow [2021-04-29 01:01:06,771 INFO L129 PetriNetUnfolder]: 8/122 cut-off events. [2021-04-29 01:01:06,771 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-29 01:01:06,772 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 122 events. 8/122 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 223 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 97. Up to 8 conditions per place. [2021-04-29 01:01:06,772 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 87 transitions, 195 flow [2021-04-29 01:01:06,773 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 87 transitions, 195 flow [2021-04-29 01:01:06,774 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:01:06,774 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 87 transitions, 195 flow [2021-04-29 01:01:06,774 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 87 transitions, 195 flow [2021-04-29 01:01:06,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 87 transitions, 195 flow [2021-04-29 01:01:06,789 INFO L129 PetriNetUnfolder]: 8/122 cut-off events. [2021-04-29 01:01:06,789 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-29 01:01:06,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 122 events. 8/122 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 226 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 97. Up to 8 conditions per place. [2021-04-29 01:01:06,793 INFO L146 LiptonReduction]: Number of co-enabled transitions 2700 [2021-04-29 01:01:10,977 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 01:01:11,266 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 01:01:11,922 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 01:01:13,134 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:13,330 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:13,528 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:13,724 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:13,885 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 01:01:14,031 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 01:01:14,318 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 01:01:14,670 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-04-29 01:01:14,897 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-04-29 01:01:15,111 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:15,309 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:15,506 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:15,729 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:15,928 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:16,109 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-04-29 01:01:16,279 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 01:01:16,433 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 01:01:16,583 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 01:01:16,730 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 01:01:18,659 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 01:01:19,900 INFO L158 LiptonReduction]: Checked pairs total: 25824 [2021-04-29 01:01:19,900 INFO L160 LiptonReduction]: Total number of compositions: 180 [2021-04-29 01:01:19,901 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13127 [2021-04-29 01:01:19,910 INFO L129 PetriNetUnfolder]: 0/60 cut-off events. [2021-04-29 01:01:19,910 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 01:01:19,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:01:19,911 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 01:01:19,911 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-29 01:01:19,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:01:19,912 INFO L82 PathProgramCache]: Analyzing trace with hash 795153199, now seen corresponding path program 1 times [2021-04-29 01:01:19,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:01:19,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450478509] [2021-04-29 01:01:19,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:01:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:01:19,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:01:19,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:01:19,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:01:19,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 01:01:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:01:19,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450478509] [2021-04-29 01:01:19,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:01:19,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 01:01:19,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564256476] [2021-04-29 01:01:19,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 01:01:19,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:01:19,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 01:01:19,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 01:01:19,962 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 267 [2021-04-29 01:01:19,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 109 transitions, 239 flow. Second operand has 4 states, 4 states have (on average 140.75) internal successors, (563), 4 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:01:19,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:01:19,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 267 [2021-04-29 01:01:19,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:01:21,420 INFO L129 PetriNetUnfolder]: 5416/9032 cut-off events. [2021-04-29 01:01:21,420 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-29 01:01:21,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18010 conditions, 9032 events. 5416/9032 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 1380. Compared 69942 event pairs, 2189 based on Foata normal form. 0/2063 useless extension candidates. Maximal degree in co-relation 17894. Up to 5027 conditions per place. [2021-04-29 01:01:21,575 INFO L132 encePairwiseOnDemand]: 212/267 looper letters, 66 selfloop transitions, 23 changer transitions 33/146 dead transitions. [2021-04-29 01:01:21,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 146 transitions, 537 flow [2021-04-29 01:01:21,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 01:01:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 01:01:21,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 677 transitions. [2021-04-29 01:01:21,579 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6338951310861424 [2021-04-29 01:01:21,579 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 677 transitions. [2021-04-29 01:01:21,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 677 transitions. [2021-04-29 01:01:21,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:01:21,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 677 transitions. [2021-04-29 01:01:21,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 169.25) internal successors, (677), 4 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:01:21,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 267.0) internal successors, (1335), 5 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:01:21,588 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 267.0) internal successors, (1335), 5 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:01:21,588 INFO L185 Difference]: Start difference. First operand has 114 places, 109 transitions, 239 flow. Second operand 4 states and 677 transitions. [2021-04-29 01:01:21,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 146 transitions, 537 flow [2021-04-29 01:01:21,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 146 transitions, 531 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-04-29 01:01:21,594 INFO L241 Difference]: Finished difference. Result has 116 places, 92 transitions, 351 flow [2021-04-29 01:01:21,594 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=351, PETRI_PLACES=116, PETRI_TRANSITIONS=92} [2021-04-29 01:01:21,594 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, 2 predicate places. [2021-04-29 01:01:21,594 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:01:21,595 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 92 transitions, 351 flow [2021-04-29 01:01:21,595 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 92 transitions, 351 flow [2021-04-29 01:01:21,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 92 transitions, 351 flow [2021-04-29 01:01:21,847 INFO L129 PetriNetUnfolder]: 1100/2351 cut-off events. [2021-04-29 01:01:21,848 INFO L130 PetriNetUnfolder]: For 108/132 co-relation queries the response was YES. [2021-04-29 01:01:21,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5635 conditions, 2351 events. 1100/2351 cut-off events. For 108/132 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 19805 event pairs, 278 based on Foata normal form. 0/813 useless extension candidates. Maximal degree in co-relation 5595. Up to 1561 conditions per place. [2021-04-29 01:01:21,936 INFO L146 LiptonReduction]: Number of co-enabled transitions 4266 [2021-04-29 01:01:21,944 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:01:21,944 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:01:21,944 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 350 [2021-04-29 01:01:21,948 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 92 transitions, 351 flow [2021-04-29 01:01:21,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 140.75) internal successors, (563), 4 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:01:21,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:01:21,949 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1] [2021-04-29 01:01:21,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 01:01:21,949 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-29 01:01:21,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:01:21,950 INFO L82 PathProgramCache]: Analyzing trace with hash -349678704, now seen corresponding path program 1 times [2021-04-29 01:01:21,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:01:21,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107996753] [2021-04-29 01:01:21,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:01:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 01:01:22,009 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 01:01:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 01:01:22,040 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 01:01:22,053 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 01:01:22,053 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 01:01:22,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 01:01:22,054 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-29 01:01:22,054 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-04-29 01:01:22,070 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,071 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,071 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,071 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,071 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,071 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,071 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,071 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,071 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,072 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,072 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,072 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,072 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,072 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,073 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,073 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,073 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,073 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,073 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,073 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,073 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,073 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,073 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,074 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,074 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,074 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,074 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,074 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,074 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,074 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,075 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,075 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,075 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,075 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,075 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,075 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,076 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,076 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,076 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,076 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,076 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,076 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,076 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,076 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,077 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,077 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,077 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,077 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,077 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,077 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,077 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,077 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,077 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,078 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,078 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,078 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,080 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,080 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,080 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,081 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,081 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,081 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,081 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,081 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,081 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,081 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,081 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,082 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,082 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,082 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,082 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,082 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,082 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,082 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,082 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,082 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,083 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,083 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,083 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,083 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,083 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,083 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,083 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,083 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,083 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,084 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,084 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,089 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,090 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,090 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,090 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,090 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,090 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,090 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,090 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,091 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,091 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,091 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,091 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,091 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,091 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,091 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,091 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,092 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,092 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,092 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,092 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,092 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,092 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,092 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,092 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,092 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,093 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,093 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,093 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,093 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,093 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,093 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,093 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,093 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,093 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,093 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,094 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,094 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,094 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,094 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,095 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,095 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,095 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,099 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,099 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,099 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,100 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,100 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,100 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,100 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,104 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,104 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,104 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,104 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,104 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,105 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,105 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,105 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,106 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,106 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,106 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,107 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,107 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,107 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,107 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,107 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,108 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,108 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,109 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,109 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,109 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,109 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,109 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,109 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:01:22,110 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 01:01:22,111 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-29 01:01:22,112 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 01:01:22,112 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 01:01:22,112 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 01:01:22,112 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 01:01:22,112 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 01:01:22,112 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 01:01:22,113 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 01:01:22,113 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 01:01:22,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 103 transitions, 238 flow [2021-04-29 01:01:22,133 INFO L129 PetriNetUnfolder]: 10/151 cut-off events. [2021-04-29 01:01:22,133 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-04-29 01:01:22,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 151 events. 10/151 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 313 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 130. Up to 10 conditions per place. [2021-04-29 01:01:22,135 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 103 transitions, 238 flow [2021-04-29 01:01:22,136 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 106 places, 103 transitions, 238 flow [2021-04-29 01:01:22,137 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:01:22,137 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 103 transitions, 238 flow [2021-04-29 01:01:22,137 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 103 transitions, 238 flow [2021-04-29 01:01:22,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 103 transitions, 238 flow [2021-04-29 01:01:22,155 INFO L129 PetriNetUnfolder]: 10/151 cut-off events. [2021-04-29 01:01:22,155 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-04-29 01:01:22,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 151 events. 10/151 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 319 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 130. Up to 10 conditions per place. [2021-04-29 01:01:22,160 INFO L146 LiptonReduction]: Number of co-enabled transitions 4560 [2021-04-29 01:01:28,175 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 01:01:28,369 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 01:01:28,694 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 01:01:28,867 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 01:01:29,032 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:01:29,205 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:01:29,493 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:01:29,658 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:01:29,840 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:01:30,006 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:01:31,598 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 01:01:31,771 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 01:01:31,927 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:01:32,076 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:01:32,256 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-04-29 01:01:32,436 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-04-29 01:01:32,635 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 01:01:32,900 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 01:01:36,153 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:01:36,345 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:01:36,526 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 01:01:36,708 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 01:01:37,059 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-04-29 01:01:37,279 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-04-29 01:01:37,505 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-04-29 01:01:37,724 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-04-29 01:01:39,526 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-04-29 01:01:39,767 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-04-29 01:01:40,005 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-04-29 01:01:40,240 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-04-29 01:01:40,473 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-04-29 01:01:40,709 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-04-29 01:01:40,950 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-04-29 01:01:41,219 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-04-29 01:01:41,477 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-04-29 01:01:41,712 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-04-29 01:01:44,171 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:01:45,742 INFO L158 LiptonReduction]: Checked pairs total: 56481 [2021-04-29 01:01:45,743 INFO L160 LiptonReduction]: Total number of compositions: 259 [2021-04-29 01:01:45,744 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23607 [2021-04-29 01:01:45,754 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2021-04-29 01:01:45,754 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:01:45,754 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:01:45,754 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 01:01:45,754 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-29 01:01:45,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:01:45,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1150498758, now seen corresponding path program 1 times [2021-04-29 01:01:45,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:01:45,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785045963] [2021-04-29 01:01:45,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:01:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:01:45,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:01:45,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:01:45,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:01:45,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 01:01:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:01:45,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785045963] [2021-04-29 01:01:45,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:01:45,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 01:01:45,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43242348] [2021-04-29 01:01:45,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 01:01:45,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:01:45,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 01:01:45,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 01:01:45,792 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 362 [2021-04-29 01:01:45,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 138 transitions, 308 flow. Second operand has 4 states, 4 states have (on average 154.75) internal successors, (619), 4 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:01:45,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:01:45,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 362 [2021-04-29 01:01:45,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:02:04,875 INFO L129 PetriNetUnfolder]: 96025/139692 cut-off events. [2021-04-29 01:02:04,875 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-04-29 01:02:05,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 277026 conditions, 139692 events. 96025/139692 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13876. Compared 1209570 event pairs, 35990 based on Foata normal form. 0/36018 useless extension candidates. Maximal degree in co-relation 276870. Up to 82308 conditions per place. [2021-04-29 01:02:07,071 INFO L132 encePairwiseOnDemand]: 294/362 looper letters, 81 selfloop transitions, 28 changer transitions 45/183 dead transitions. [2021-04-29 01:02:07,072 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 183 transitions, 674 flow [2021-04-29 01:02:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 01:02:07,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 01:02:07,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 763 transitions. [2021-04-29 01:02:07,076 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5269337016574586 [2021-04-29 01:02:07,076 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 763 transitions. [2021-04-29 01:02:07,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 763 transitions. [2021-04-29 01:02:07,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:02:07,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 763 transitions. [2021-04-29 01:02:07,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 190.75) internal successors, (763), 4 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:02:07,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 362.0) internal successors, (1810), 5 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:02:07,086 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 362.0) internal successors, (1810), 5 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:02:07,086 INFO L185 Difference]: Start difference. First operand has 146 places, 138 transitions, 308 flow. Second operand 4 states and 763 transitions. [2021-04-29 01:02:07,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 183 transitions, 674 flow [2021-04-29 01:02:07,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 183 transitions, 662 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-04-29 01:02:07,095 INFO L241 Difference]: Finished difference. Result has 144 places, 111 transitions, 426 flow [2021-04-29 01:02:07,095 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=426, PETRI_PLACES=144, PETRI_TRANSITIONS=111} [2021-04-29 01:02:07,096 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -2 predicate places. [2021-04-29 01:02:07,096 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:02:07,096 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 111 transitions, 426 flow [2021-04-29 01:02:07,096 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 111 transitions, 426 flow [2021-04-29 01:02:07,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 111 transitions, 426 flow [2021-04-29 01:02:09,381 INFO L129 PetriNetUnfolder]: 12197/21082 cut-off events. [2021-04-29 01:02:09,382 INFO L130 PetriNetUnfolder]: For 1373/1516 co-relation queries the response was YES. [2021-04-29 01:02:09,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50556 conditions, 21082 events. 12197/21082 cut-off events. For 1373/1516 co-relation queries the response was YES. Maximal size of possible extension queue 2989. Compared 197734 event pairs, 4219 based on Foata normal form. 0/8991 useless extension candidates. Maximal degree in co-relation 50515. Up to 14059 conditions per place. [2021-04-29 01:02:09,996 INFO L146 LiptonReduction]: Number of co-enabled transitions 6558 [2021-04-29 01:02:10,003 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:02:10,003 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:02:10,004 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2908 [2021-04-29 01:02:10,005 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 111 transitions, 426 flow [2021-04-29 01:02:10,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 154.75) internal successors, (619), 4 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:02:10,006 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:02:10,006 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:02:10,007 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 01:02:10,007 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-29 01:02:10,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:02:10,007 INFO L82 PathProgramCache]: Analyzing trace with hash 863278140, now seen corresponding path program 1 times [2021-04-29 01:02:10,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:02:10,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5413964] [2021-04-29 01:02:10,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:02:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:02:10,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 01:02:10,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 01:02:10,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 01:02:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:02:10,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5413964] [2021-04-29 01:02:10,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524492885] [2021-04-29 01:02:10,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 01:02:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:02:10,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 01:02:10,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 01:02:10,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 01:02:10,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 01:02:10,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:02:10,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 01:02:10,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 01:02:10,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:02:10,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 01:02:10,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 01:02:10,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:02:10,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 01:02:10,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 01:02:10,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:02:10,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 01:02:10,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 01:02:10,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:02:10,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 01:02:10,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 01:02:10,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:02:10,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:10,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:10,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:02:10,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-04-29 01:02:10,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2021-04-29 01:02:10,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410193409] [2021-04-29 01:02:10,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 01:02:10,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:02:10,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 01:02:10,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-04-29 01:02:10,411 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 362 [2021-04-29 01:02:10,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 111 transitions, 426 flow. Second operand has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:02:10,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:02:10,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 362 [2021-04-29 01:02:10,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:02:34,798 INFO L129 PetriNetUnfolder]: 111976/161738 cut-off events. [2021-04-29 01:02:34,798 INFO L130 PetriNetUnfolder]: For 35551/47593 co-relation queries the response was YES. [2021-04-29 01:02:35,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 466401 conditions, 161738 events. 111976/161738 cut-off events. For 35551/47593 co-relation queries the response was YES. Maximal size of possible extension queue 14368. Compared 1392619 event pairs, 43819 based on Foata normal form. 2863/62096 useless extension candidates. Maximal degree in co-relation 466358. Up to 85041 conditions per place. [2021-04-29 01:02:37,293 INFO L132 encePairwiseOnDemand]: 339/362 looper letters, 176 selfloop transitions, 59 changer transitions 0/264 dead transitions. [2021-04-29 01:02:37,293 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 264 transitions, 1476 flow [2021-04-29 01:02:37,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 01:02:37,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 01:02:37,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1089 transitions. [2021-04-29 01:02:37,299 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5013812154696132 [2021-04-29 01:02:37,299 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1089 transitions. [2021-04-29 01:02:37,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1089 transitions. [2021-04-29 01:02:37,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:02:37,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1089 transitions. [2021-04-29 01:02:37,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 181.5) internal successors, (1089), 6 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:02:37,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 362.0) internal successors, (2534), 7 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:02:37,310 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 362.0) internal successors, (2534), 7 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:02:37,311 INFO L185 Difference]: Start difference. First operand has 99 places, 111 transitions, 426 flow. Second operand 6 states and 1089 transitions. [2021-04-29 01:02:37,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 264 transitions, 1476 flow [2021-04-29 01:02:37,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 264 transitions, 1476 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 01:02:37,328 INFO L241 Difference]: Finished difference. Result has 106 places, 160 transitions, 934 flow [2021-04-29 01:02:37,328 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=934, PETRI_PLACES=106, PETRI_TRANSITIONS=160} [2021-04-29 01:02:37,328 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -40 predicate places. [2021-04-29 01:02:37,329 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:02:37,329 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 160 transitions, 934 flow [2021-04-29 01:02:37,329 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 160 transitions, 934 flow [2021-04-29 01:02:37,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 160 transitions, 934 flow [2021-04-29 01:02:40,069 INFO L129 PetriNetUnfolder]: 13863/25425 cut-off events. [2021-04-29 01:02:40,069 INFO L130 PetriNetUnfolder]: For 6084/11718 co-relation queries the response was YES. [2021-04-29 01:02:40,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80081 conditions, 25425 events. 13863/25425 cut-off events. For 6084/11718 co-relation queries the response was YES. Maximal size of possible extension queue 3548. Compared 261592 event pairs, 2827 based on Foata normal form. 16/10345 useless extension candidates. Maximal degree in co-relation 80036. Up to 14406 conditions per place. [2021-04-29 01:02:41,174 INFO L146 LiptonReduction]: Number of co-enabled transitions 10362 [2021-04-29 01:02:41,238 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:02:41,239 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:02:41,239 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3910 [2021-04-29 01:02:41,240 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 160 transitions, 934 flow [2021-04-29 01:02:41,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:02:41,241 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:02:41,241 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:02:41,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-04-29 01:02:41,455 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-29 01:02:41,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:02:41,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1545247100, now seen corresponding path program 2 times [2021-04-29 01:02:41,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:02:41,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693081237] [2021-04-29 01:02:41,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:02:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:02:41,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 01:02:41,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 01:02:41,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 01:02:41,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:02:41,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693081237] [2021-04-29 01:02:41,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656584870] [2021-04-29 01:02:41,534 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 01:02:41,616 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 01:02:41,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 01:02:41,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 01:02:41,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 01:02:41,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 01:02:41,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 01:02:41,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:02:41,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 01:02:41,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 01:02:41,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:02:41,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 01:02:41,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 01:02:41,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:02:41,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 01:02:41,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 01:02:41,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:02:41,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 01:02:41,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 01:02:41,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:02:41,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 01:02:41,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 01:02:41,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:02:41,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:02:41,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:02:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:02:41,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 01:02:41,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2021-04-29 01:02:41,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362158281] [2021-04-29 01:02:41,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 01:02:41,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:02:41,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 01:02:41,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-04-29 01:02:41,810 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 362 [2021-04-29 01:02:41,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 160 transitions, 934 flow. Second operand has 9 states, 9 states have (on average 155.33333333333334) internal successors, (1398), 9 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:02:41,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:02:41,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 362 [2021-04-29 01:02:41,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:03:01,886 INFO L129 PetriNetUnfolder]: 100035/146041 cut-off events. [2021-04-29 01:03:01,890 INFO L130 PetriNetUnfolder]: For 98027/121785 co-relation queries the response was YES. [2021-04-29 01:03:02,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 498436 conditions, 146041 events. 100035/146041 cut-off events. For 98027/121785 co-relation queries the response was YES. Maximal size of possible extension queue 11802. Compared 1252068 event pairs, 25158 based on Foata normal form. 2752/55609 useless extension candidates. Maximal degree in co-relation 498389. Up to 67941 conditions per place. [2021-04-29 01:03:04,089 INFO L132 encePairwiseOnDemand]: 331/362 looper letters, 220 selfloop transitions, 133 changer transitions 0/382 dead transitions. [2021-04-29 01:03:04,089 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 382 transitions, 2584 flow [2021-04-29 01:03:04,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 01:03:04,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 01:03:04,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1643 transitions. [2021-04-29 01:03:04,096 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5042971147943524 [2021-04-29 01:03:04,096 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1643 transitions. [2021-04-29 01:03:04,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1643 transitions. [2021-04-29 01:03:04,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:03:04,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1643 transitions. [2021-04-29 01:03:04,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 182.55555555555554) internal successors, (1643), 9 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:03:04,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 362.0) internal successors, (3620), 10 states have internal predecessors, (3620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:03:04,110 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 362.0) internal successors, (3620), 10 states have internal predecessors, (3620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:03:04,110 INFO L185 Difference]: Start difference. First operand has 106 places, 160 transitions, 934 flow. Second operand 9 states and 1643 transitions. [2021-04-29 01:03:04,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 382 transitions, 2584 flow [2021-04-29 01:03:04,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 382 transitions, 2556 flow, removed 9 selfloop flow, removed 1 redundant places. [2021-04-29 01:03:04,907 INFO L241 Difference]: Finished difference. Result has 118 places, 224 transitions, 1909 flow [2021-04-29 01:03:04,907 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=906, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1909, PETRI_PLACES=118, PETRI_TRANSITIONS=224} [2021-04-29 01:03:04,908 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -28 predicate places. [2021-04-29 01:03:04,908 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:03:04,908 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 118 places, 224 transitions, 1909 flow [2021-04-29 01:03:04,908 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 118 places, 224 transitions, 1909 flow [2021-04-29 01:03:04,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 118 places, 224 transitions, 1909 flow [2021-04-29 01:03:08,412 INFO L129 PetriNetUnfolder]: 15789/29952 cut-off events. [2021-04-29 01:03:08,413 INFO L130 PetriNetUnfolder]: For 39257/49810 co-relation queries the response was YES. [2021-04-29 01:03:08,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131706 conditions, 29952 events. 15789/29952 cut-off events. For 39257/49810 co-relation queries the response was YES. Maximal size of possible extension queue 3613. Compared 320107 event pairs, 3111 based on Foata normal form. 97/12071 useless extension candidates. Maximal degree in co-relation 131655. Up to 12090 conditions per place. [2021-04-29 01:03:09,696 INFO L146 LiptonReduction]: Number of co-enabled transitions 13178 [2021-04-29 01:03:09,721 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:03:09,721 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:03:09,722 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4814 [2021-04-29 01:03:09,723 INFO L480 AbstractCegarLoop]: Abstraction has has 118 places, 224 transitions, 1909 flow [2021-04-29 01:03:09,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 155.33333333333334) internal successors, (1398), 9 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:03:09,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:03:09,724 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2021-04-29 01:03:09,938 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 01:03:09,939 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-29 01:03:09,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:03:09,940 INFO L82 PathProgramCache]: Analyzing trace with hash -507358048, now seen corresponding path program 1 times [2021-04-29 01:03:09,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:03:09,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216871907] [2021-04-29 01:03:09,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:03:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 01:03:09,969 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 01:03:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 01:03:09,995 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 01:03:10,007 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 01:03:10,008 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 01:03:10,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 01:03:10,008 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-29 01:03:10,008 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-04-29 01:03:10,030 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,030 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,030 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,030 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,031 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,031 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,031 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,031 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,031 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,031 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,031 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,031 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,032 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,032 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,032 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,034 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,034 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,034 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,034 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,034 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,034 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,034 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,035 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,035 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,035 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,035 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,035 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,035 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,035 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,035 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,036 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,036 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,036 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,036 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,036 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,036 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,036 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,036 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,036 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,037 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,037 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,037 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,037 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,037 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,037 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,037 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,037 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,037 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,038 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,038 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,038 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,038 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,038 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,038 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,038 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,038 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,038 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,039 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,039 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,039 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,039 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,039 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,039 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,039 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,039 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,039 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,040 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,040 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,040 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,040 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,040 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,040 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,040 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,040 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,040 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,042 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,042 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,042 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,043 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,043 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,043 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,043 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,043 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,043 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,043 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,043 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,043 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,044 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,044 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,044 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,044 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,044 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,044 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,044 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,044 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,045 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,045 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,045 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,045 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,045 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,046 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,046 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,046 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,046 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,046 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,046 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,046 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,046 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,046 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,047 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,047 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,047 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,047 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,047 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,047 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,047 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,047 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,047 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,048 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,048 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,048 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,048 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,048 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,048 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,048 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,048 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,048 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,049 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,049 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,049 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,049 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,049 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,049 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,049 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,049 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,049 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,050 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,050 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,050 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,050 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,050 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,050 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,050 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,050 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,050 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,051 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,051 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,051 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,051 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,051 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,051 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,051 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,051 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,051 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,052 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,052 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,052 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,052 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,052 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,052 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,053 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,053 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,053 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,053 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,053 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,053 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,054 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,054 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,055 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,056 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,056 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,056 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,056 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,056 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,056 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,056 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,058 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,058 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,058 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,058 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,059 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,059 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,059 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,059 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,061 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,061 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,062 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,062 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,062 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,062 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,062 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,062 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,063 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,064 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,064 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,064 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,064 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,064 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,064 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,064 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:03:10,065 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 01:03:10,066 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-29 01:03:10,067 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 01:03:10,067 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 01:03:10,067 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 01:03:10,067 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 01:03:10,067 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 01:03:10,067 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 01:03:10,068 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 01:03:10,068 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 01:03:10,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 119 transitions, 283 flow [2021-04-29 01:03:10,087 INFO L129 PetriNetUnfolder]: 12/180 cut-off events. [2021-04-29 01:03:10,087 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-04-29 01:03:10,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 180 events. 12/180 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 390 event pairs, 0 based on Foata normal form. 0/157 useless extension candidates. Maximal degree in co-relation 164. Up to 12 conditions per place. [2021-04-29 01:03:10,088 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 119 transitions, 283 flow [2021-04-29 01:03:10,090 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 119 transitions, 283 flow [2021-04-29 01:03:10,090 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:03:10,090 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 119 transitions, 283 flow [2021-04-29 01:03:10,090 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 119 transitions, 283 flow [2021-04-29 01:03:10,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 119 transitions, 283 flow [2021-04-29 01:03:10,108 INFO L129 PetriNetUnfolder]: 12/180 cut-off events. [2021-04-29 01:03:10,108 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-04-29 01:03:10,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 180 events. 12/180 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 382 event pairs, 0 based on Foata normal form. 0/157 useless extension candidates. Maximal degree in co-relation 164. Up to 12 conditions per place. [2021-04-29 01:03:10,113 INFO L146 LiptonReduction]: Number of co-enabled transitions 6900 [2021-04-29 01:03:14,059 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2021-04-29 01:03:17,609 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 01:03:17,820 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 01:03:18,165 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:03:18,345 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:03:18,678 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:03:18,860 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:03:19,059 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 01:03:19,252 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 01:03:19,430 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:03:19,613 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:03:21,822 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:03:22,009 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:03:22,344 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 01:03:22,537 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 01:03:22,744 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 01:03:22,961 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 01:03:23,183 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-04-29 01:03:23,414 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-04-29 01:03:26,744 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 01:03:26,934 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 01:03:27,124 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:03:27,306 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 01:03:27,536 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-04-29 01:03:27,779 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-04-29 01:03:28,172 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-04-29 01:03:28,402 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-04-29 01:03:30,341 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-04-29 01:03:30,601 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-04-29 01:03:31,020 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-04-29 01:03:31,269 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-04-29 01:03:31,524 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-04-29 01:03:31,783 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-04-29 01:03:32,043 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-04-29 01:03:32,327 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-04-29 01:03:32,597 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-04-29 01:03:32,854 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-04-29 01:03:36,069 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:03:36,173 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 01:03:37,035 INFO L158 LiptonReduction]: Checked pairs total: 104216 [2021-04-29 01:03:37,035 INFO L160 LiptonReduction]: Total number of compositions: 296 [2021-04-29 01:03:37,037 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26947 [2021-04-29 01:03:37,043 INFO L129 PetriNetUnfolder]: 2/78 cut-off events. [2021-04-29 01:03:37,043 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:03:37,043 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:03:37,044 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 01:03:37,044 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:03:37,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:03:37,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1563315463, now seen corresponding path program 1 times [2021-04-29 01:03:37,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:03:37,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684284164] [2021-04-29 01:03:37,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:03:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:03:37,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:03:37,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:03:37,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:03:37,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:03:37,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:03:37,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684284164] [2021-04-29 01:03:37,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:03:37,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 01:03:37,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016897283] [2021-04-29 01:03:37,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 01:03:37,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:03:37,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 01:03:37,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 01:03:37,079 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 415 [2021-04-29 01:03:37,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 166 transitions, 377 flow. Second operand has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:03:37,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:03:37,080 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 415 [2021-04-29 01:03:37,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand