/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 23:46:27,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 23:46:27,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 23:46:27,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 23:46:27,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 23:46:27,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 23:46:27,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 23:46:27,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 23:46:27,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 23:46:27,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 23:46:27,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 23:46:27,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 23:46:27,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 23:46:27,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 23:46:27,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 23:46:27,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 23:46:27,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 23:46:27,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 23:46:27,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 23:46:27,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 23:46:27,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 23:46:27,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 23:46:27,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 23:46:27,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 23:46:27,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 23:46:27,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 23:46:27,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 23:46:27,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 23:46:27,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 23:46:27,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 23:46:27,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 23:46:27,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 23:46:27,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 23:46:27,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 23:46:27,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 23:46:27,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 23:46:27,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 23:46:27,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 23:46:27,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 23:46:27,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 23:46:27,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 23:46:27,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf [2022-01-10 23:46:27,792 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 23:46:27,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 23:46:27,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 23:46:27,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 23:46:27,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 23:46:27,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 23:46:27,793 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 23:46:27,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 23:46:27,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 23:46:27,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 23:46:27,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 23:46:27,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 23:46:27,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 23:46:27,794 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 23:46:27,794 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 23:46:27,794 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 23:46:27,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 23:46:27,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 23:46:27,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 23:46:27,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 23:46:27,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 23:46:27,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 23:46:27,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 23:46:27,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 23:46:27,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 23:46:27,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 23:46:27,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 23:46:27,796 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 23:46:27,796 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 23:46:27,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 23:46:27,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 23:46:27,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 23:46:27,797 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 23:46:27,797 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_NONE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 23:46:27,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 23:46:27,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 23:46:27,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 23:46:27,984 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 23:46:27,991 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 23:46:27,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product31.cil.c [2022-01-10 23:46:28,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/900622092/596c55870b9448768bb70b2301596b2b/FLAGa75a9de7b [2022-01-10 23:46:28,562 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 23:46:28,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product31.cil.c [2022-01-10 23:46:28,577 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/900622092/596c55870b9448768bb70b2301596b2b/FLAGa75a9de7b [2022-01-10 23:46:29,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/900622092/596c55870b9448768bb70b2301596b2b [2022-01-10 23:46:29,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 23:46:29,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 23:46:29,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 23:46:29,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 23:46:29,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 23:46:29,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:46:29" (1/1) ... [2022-01-10 23:46:29,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a512093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:46:29, skipping insertion in model container [2022-01-10 23:46:29,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:46:29" (1/1) ... [2022-01-10 23:46:29,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 23:46:29,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 23:46:29,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product31.cil.c[64450,64463] [2022-01-10 23:46:29,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 23:46:29,435 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 23:46:29,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 23:46:29,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product31.cil.c[64450,64463] [2022-01-10 23:46:29,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 23:46:29,571 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 23:46:29,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product31.cil.c[64450,64463] [2022-01-10 23:46:29,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 23:46:29,689 INFO L208 MainTranslator]: Completed translation [2022-01-10 23:46:29,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:46:29 WrapperNode [2022-01-10 23:46:29,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 23:46:29,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 23:46:29,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 23:46:29,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 23:46:29,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:46:29" (1/1) ... [2022-01-10 23:46:29,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:46:29" (1/1) ... [2022-01-10 23:46:29,877 INFO L137 Inliner]: procedures = 99, calls = 349, calls flagged for inlining = 202, calls inlined = 446, statements flattened = 14268 [2022-01-10 23:46:29,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 23:46:29,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 23:46:29,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 23:46:29,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 23:46:29,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:46:29" (1/1) ... [2022-01-10 23:46:29,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:46:29" (1/1) ... [2022-01-10 23:46:29,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:46:29" (1/1) ... [2022-01-10 23:46:29,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:46:29" (1/1) ... [2022-01-10 23:46:29,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:46:29" (1/1) ... [2022-01-10 23:46:30,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:46:29" (1/1) ... [2022-01-10 23:46:30,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:46:29" (1/1) ... [2022-01-10 23:46:30,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 23:46:30,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 23:46:30,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 23:46:30,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 23:46:30,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:46:29" (1/1) ... [2022-01-10 23:46:30,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 23:46:30,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 23:46:30,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 23:46:30,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 23:46:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 23:46:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 23:46:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 23:46:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 23:46:30,292 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 23:46:30,293 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 23:46:35,184 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 23:46:35,205 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 23:46:35,206 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 23:46:35,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:46:35 BoogieIcfgContainer [2022-01-10 23:46:35,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 23:46:35,211 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 23:46:35,211 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 23:46:35,212 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 23:46:35,213 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:46:35" (1/1) ... [2022-01-10 23:46:35,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:46:35 BasicIcfg [2022-01-10 23:46:35,974 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 23:46:35,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 23:46:35,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 23:46:35,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 23:46:35,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 11:46:29" (1/4) ... [2022-01-10 23:46:35,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf0db1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:46:35, skipping insertion in model container [2022-01-10 23:46:35,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:46:29" (2/4) ... [2022-01-10 23:46:35,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf0db1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:46:35, skipping insertion in model container [2022-01-10 23:46:35,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:46:35" (3/4) ... [2022-01-10 23:46:35,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf0db1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:46:35, skipping insertion in model container [2022-01-10 23:46:35,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:46:35" (4/4) ... [2022-01-10 23:46:35,979 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product31.cil.cTransformedIcfg [2022-01-10 23:46:35,983 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 23:46:35,983 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-01-10 23:46:36,027 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 23:46:36,032 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 23:46:36,033 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-10 23:46:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 3748 states, 3742 states have (on average 1.8682522715125602) internal successors, (6991), 3747 states have internal predecessors, (6991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:36,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-10 23:46:36,104 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:46:36,105 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:46:36,106 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:46:36,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:46:36,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1412247077, now seen corresponding path program 1 times [2022-01-10 23:46:36,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:46:36,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454259277] [2022-01-10 23:46:36,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:46:36,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:46:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:46:36,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:46:36,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:46:36,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454259277] [2022-01-10 23:46:36,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454259277] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:46:36,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:46:36,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 23:46:36,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534114919] [2022-01-10 23:46:36,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:46:36,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 23:46:36,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:46:36,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 23:46:36,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:36,507 INFO L87 Difference]: Start difference. First operand has 3748 states, 3742 states have (on average 1.8682522715125602) internal successors, (6991), 3747 states have internal predecessors, (6991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:36,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:46:36,821 INFO L93 Difference]: Finished difference Result 7481 states and 13959 transitions. [2022-01-10 23:46:36,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 23:46:36,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-01-10 23:46:36,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:46:36,858 INFO L225 Difference]: With dead ends: 7481 [2022-01-10 23:46:36,858 INFO L226 Difference]: Without dead ends: 3737 [2022-01-10 23:46:36,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:36,878 INFO L933 BasicCegarLoop]: 6970 mSDtfsCounter, 6965 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6965 SdHoareTripleChecker+Valid, 6981 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 23:46:36,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6965 Valid, 6981 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 23:46:36,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3737 states. [2022-01-10 23:46:37,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3737 to 3737. [2022-01-10 23:46:37,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3737 states, 3732 states have (on average 1.8668274383708467) internal successors, (6967), 3736 states have internal predecessors, (6967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:37,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 3737 states and 6967 transitions. [2022-01-10 23:46:37,113 INFO L78 Accepts]: Start accepts. Automaton has 3737 states and 6967 transitions. Word has length 51 [2022-01-10 23:46:37,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:46:37,114 INFO L470 AbstractCegarLoop]: Abstraction has 3737 states and 6967 transitions. [2022-01-10 23:46:37,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:37,114 INFO L276 IsEmpty]: Start isEmpty. Operand 3737 states and 6967 transitions. [2022-01-10 23:46:37,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-10 23:46:37,118 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:46:37,118 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:46:37,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 23:46:37,119 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:46:37,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:46:37,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1534758528, now seen corresponding path program 1 times [2022-01-10 23:46:37,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:46:37,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038321573] [2022-01-10 23:46:37,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:46:37,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:46:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:46:37,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:46:37,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:46:37,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038321573] [2022-01-10 23:46:37,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038321573] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:46:37,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:46:37,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 23:46:37,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620132681] [2022-01-10 23:46:37,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:46:37,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 23:46:37,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:46:37,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 23:46:37,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:37,207 INFO L87 Difference]: Start difference. First operand 3737 states and 6967 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:37,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:46:37,342 INFO L93 Difference]: Finished difference Result 7424 states and 13848 transitions. [2022-01-10 23:46:37,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 23:46:37,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-01-10 23:46:37,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:46:37,357 INFO L225 Difference]: With dead ends: 7424 [2022-01-10 23:46:37,357 INFO L226 Difference]: Without dead ends: 3737 [2022-01-10 23:46:37,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:37,367 INFO L933 BasicCegarLoop]: 6907 mSDtfsCounter, 6925 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6925 SdHoareTripleChecker+Valid, 6922 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 23:46:37,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6925 Valid, 6922 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 23:46:37,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3737 states. [2022-01-10 23:46:37,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3737 to 3737. [2022-01-10 23:46:37,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3737 states, 3732 states have (on average 1.860128617363344) internal successors, (6942), 3736 states have internal predecessors, (6942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 3737 states and 6942 transitions. [2022-01-10 23:46:37,464 INFO L78 Accepts]: Start accepts. Automaton has 3737 states and 6942 transitions. Word has length 58 [2022-01-10 23:46:37,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:46:37,465 INFO L470 AbstractCegarLoop]: Abstraction has 3737 states and 6942 transitions. [2022-01-10 23:46:37,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:37,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3737 states and 6942 transitions. [2022-01-10 23:46:37,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-01-10 23:46:37,476 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:46:37,476 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:46:37,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 23:46:37,477 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:46:37,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:46:37,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1268987701, now seen corresponding path program 1 times [2022-01-10 23:46:37,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:46:37,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141940830] [2022-01-10 23:46:37,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:46:37,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:46:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:46:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:46:37,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:46:37,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141940830] [2022-01-10 23:46:37,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141940830] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:46:37,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:46:37,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 23:46:37,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356638891] [2022-01-10 23:46:37,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:46:37,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 23:46:37,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:46:37,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 23:46:37,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:37,597 INFO L87 Difference]: Start difference. First operand 3737 states and 6942 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:37,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:46:37,787 INFO L93 Difference]: Finished difference Result 8123 states and 15129 transitions. [2022-01-10 23:46:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 23:46:37,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-01-10 23:46:37,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:46:37,807 INFO L225 Difference]: With dead ends: 8123 [2022-01-10 23:46:37,807 INFO L226 Difference]: Without dead ends: 6231 [2022-01-10 23:46:37,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:37,812 INFO L933 BasicCegarLoop]: 7407 mSDtfsCounter, 6876 mSDsluCounter, 4657 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6876 SdHoareTripleChecker+Valid, 12064 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 23:46:37,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6876 Valid, 12064 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 23:46:37,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6231 states. [2022-01-10 23:46:37,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6231 to 6231. [2022-01-10 23:46:37,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6231 states, 6226 states have (on average 1.8644394474783168) internal successors, (11608), 6230 states have internal predecessors, (11608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:37,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6231 states to 6231 states and 11608 transitions. [2022-01-10 23:46:37,934 INFO L78 Accepts]: Start accepts. Automaton has 6231 states and 11608 transitions. Word has length 61 [2022-01-10 23:46:37,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:46:37,934 INFO L470 AbstractCegarLoop]: Abstraction has 6231 states and 11608 transitions. [2022-01-10 23:46:37,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:37,935 INFO L276 IsEmpty]: Start isEmpty. Operand 6231 states and 11608 transitions. [2022-01-10 23:46:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-01-10 23:46:37,937 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:46:37,937 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:46:37,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 23:46:37,938 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:46:37,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:46:37,938 INFO L85 PathProgramCache]: Analyzing trace with hash 191595243, now seen corresponding path program 1 times [2022-01-10 23:46:37,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:46:37,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424324058] [2022-01-10 23:46:37,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:46:37,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:46:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:46:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:46:37,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:46:37,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424324058] [2022-01-10 23:46:37,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424324058] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:46:37,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:46:37,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 23:46:37,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357643142] [2022-01-10 23:46:37,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:46:37,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 23:46:37,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:46:37,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 23:46:37,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:37,994 INFO L87 Difference]: Start difference. First operand 6231 states and 11608 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:38,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:46:38,264 INFO L93 Difference]: Finished difference Result 14862 states and 27725 transitions. [2022-01-10 23:46:38,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 23:46:38,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-01-10 23:46:38,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:46:38,310 INFO L225 Difference]: With dead ends: 14862 [2022-01-10 23:46:38,310 INFO L226 Difference]: Without dead ends: 11102 [2022-01-10 23:46:38,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:38,325 INFO L933 BasicCegarLoop]: 6939 mSDtfsCounter, 6875 mSDsluCounter, 4660 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6875 SdHoareTripleChecker+Valid, 11599 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 23:46:38,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6875 Valid, 11599 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 23:46:38,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11102 states. [2022-01-10 23:46:38,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11102 to 11100. [2022-01-10 23:46:38,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11100 states, 11095 states have (on average 1.8669671022983325) internal successors, (20714), 11099 states have internal predecessors, (20714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:38,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11100 states to 11100 states and 20714 transitions. [2022-01-10 23:46:38,581 INFO L78 Accepts]: Start accepts. Automaton has 11100 states and 20714 transitions. Word has length 63 [2022-01-10 23:46:38,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:46:38,581 INFO L470 AbstractCegarLoop]: Abstraction has 11100 states and 20714 transitions. [2022-01-10 23:46:38,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:38,582 INFO L276 IsEmpty]: Start isEmpty. Operand 11100 states and 20714 transitions. [2022-01-10 23:46:38,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-10 23:46:38,586 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:46:38,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:46:38,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 23:46:38,587 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:46:38,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:46:38,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1236266442, now seen corresponding path program 1 times [2022-01-10 23:46:38,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:46:38,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73485490] [2022-01-10 23:46:38,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:46:38,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:46:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:46:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:46:38,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:46:38,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73485490] [2022-01-10 23:46:38,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73485490] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:46:38,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:46:38,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 23:46:38,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312895148] [2022-01-10 23:46:38,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:46:38,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 23:46:38,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:46:38,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 23:46:38,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:38,660 INFO L87 Difference]: Start difference. First operand 11100 states and 20714 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:38,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:46:38,999 INFO L93 Difference]: Finished difference Result 28090 states and 52446 transitions. [2022-01-10 23:46:39,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 23:46:39,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-10 23:46:39,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:46:39,051 INFO L225 Difference]: With dead ends: 28090 [2022-01-10 23:46:39,051 INFO L226 Difference]: Without dead ends: 20603 [2022-01-10 23:46:39,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:39,068 INFO L933 BasicCegarLoop]: 6939 mSDtfsCounter, 6863 mSDsluCounter, 4663 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6863 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 23:46:39,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6863 Valid, 11602 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 23:46:39,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20603 states. [2022-01-10 23:46:39,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20603 to 20599. [2022-01-10 23:46:39,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20599 states, 20594 states have (on average 1.868116927260367) internal successors, (38472), 20598 states have internal predecessors, (38472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:39,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20599 states to 20599 states and 38472 transitions. [2022-01-10 23:46:39,546 INFO L78 Accepts]: Start accepts. Automaton has 20599 states and 38472 transitions. Word has length 64 [2022-01-10 23:46:39,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:46:39,548 INFO L470 AbstractCegarLoop]: Abstraction has 20599 states and 38472 transitions. [2022-01-10 23:46:39,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:39,548 INFO L276 IsEmpty]: Start isEmpty. Operand 20599 states and 38472 transitions. [2022-01-10 23:46:39,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-01-10 23:46:39,552 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:46:39,552 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:46:39,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 23:46:39,552 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:46:39,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:46:39,552 INFO L85 PathProgramCache]: Analyzing trace with hash -330424852, now seen corresponding path program 1 times [2022-01-10 23:46:39,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:46:39,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251505138] [2022-01-10 23:46:39,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:46:39,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:46:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:46:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:46:39,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:46:39,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251505138] [2022-01-10 23:46:39,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251505138] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:46:39,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:46:39,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 23:46:39,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483655303] [2022-01-10 23:46:39,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:46:39,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 23:46:39,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:46:39,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 23:46:39,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:39,614 INFO L87 Difference]: Start difference. First operand 20599 states and 38472 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:40,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:46:40,149 INFO L93 Difference]: Finished difference Result 54046 states and 100943 transitions. [2022-01-10 23:46:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 23:46:40,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-01-10 23:46:40,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:46:40,248 INFO L225 Difference]: With dead ends: 54046 [2022-01-10 23:46:40,248 INFO L226 Difference]: Without dead ends: 39124 [2022-01-10 23:46:40,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:40,284 INFO L933 BasicCegarLoop]: 6939 mSDtfsCounter, 6862 mSDsluCounter, 4666 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6862 SdHoareTripleChecker+Valid, 11605 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 23:46:40,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6862 Valid, 11605 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 23:46:40,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39124 states. [2022-01-10 23:46:40,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39124 to 39118. [2022-01-10 23:46:40,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39118 states, 39113 states have (on average 1.8683813565822105) internal successors, (73078), 39117 states have internal predecessors, (73078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39118 states to 39118 states and 73078 transitions. [2022-01-10 23:46:41,089 INFO L78 Accepts]: Start accepts. Automaton has 39118 states and 73078 transitions. Word has length 65 [2022-01-10 23:46:41,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:46:41,089 INFO L470 AbstractCegarLoop]: Abstraction has 39118 states and 73078 transitions. [2022-01-10 23:46:41,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:41,089 INFO L276 IsEmpty]: Start isEmpty. Operand 39118 states and 73078 transitions. [2022-01-10 23:46:41,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-10 23:46:41,094 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:46:41,094 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:46:41,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 23:46:41,095 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:46:41,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:46:41,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1653214591, now seen corresponding path program 1 times [2022-01-10 23:46:41,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:46:41,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009183347] [2022-01-10 23:46:41,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:46:41,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:46:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:46:41,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:46:41,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:46:41,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009183347] [2022-01-10 23:46:41,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009183347] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:46:41,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:46:41,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 23:46:41,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382146226] [2022-01-10 23:46:41,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:46:41,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 23:46:41,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:46:41,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 23:46:41,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:41,173 INFO L87 Difference]: Start difference. First operand 39118 states and 73078 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:42,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:46:42,356 INFO L93 Difference]: Finished difference Result 104958 states and 196043 transitions. [2022-01-10 23:46:42,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 23:46:42,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-10 23:46:42,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:46:42,557 INFO L225 Difference]: With dead ends: 104958 [2022-01-10 23:46:42,557 INFO L226 Difference]: Without dead ends: 75198 [2022-01-10 23:46:42,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:42,610 INFO L933 BasicCegarLoop]: 6940 mSDtfsCounter, 6861 mSDsluCounter, 4669 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6861 SdHoareTripleChecker+Valid, 11609 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 23:46:42,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6861 Valid, 11609 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 23:46:42,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75198 states. [2022-01-10 23:46:43,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75198 to 75190. [2022-01-10 23:46:44,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75190 states, 75185 states have (on average 1.8681119904236216) internal successors, (140454), 75189 states have internal predecessors, (140454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:44,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75190 states to 75190 states and 140454 transitions. [2022-01-10 23:46:44,385 INFO L78 Accepts]: Start accepts. Automaton has 75190 states and 140454 transitions. Word has length 66 [2022-01-10 23:46:44,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:46:44,386 INFO L470 AbstractCegarLoop]: Abstraction has 75190 states and 140454 transitions. [2022-01-10 23:46:44,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:44,392 INFO L276 IsEmpty]: Start isEmpty. Operand 75190 states and 140454 transitions. [2022-01-10 23:46:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-10 23:46:44,418 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:46:44,418 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:46:44,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 23:46:44,419 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:46:44,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:46:44,419 INFO L85 PathProgramCache]: Analyzing trace with hash 532043756, now seen corresponding path program 1 times [2022-01-10 23:46:44,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:46:44,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583313932] [2022-01-10 23:46:44,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:46:44,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:46:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:46:44,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:46:44,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:46:44,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583313932] [2022-01-10 23:46:44,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583313932] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:46:44,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:46:44,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 23:46:44,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163774289] [2022-01-10 23:46:44,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:46:44,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 23:46:44,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:46:44,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 23:46:44,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 23:46:44,484 INFO L87 Difference]: Start difference. First operand 75190 states and 140454 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:46,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:46:46,403 INFO L93 Difference]: Finished difference Result 181013 states and 337704 transitions. [2022-01-10 23:46:46,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 23:46:46,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-01-10 23:46:46,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:46:46,738 INFO L225 Difference]: With dead ends: 181013 [2022-01-10 23:46:46,738 INFO L226 Difference]: Without dead ends: 106756 [2022-01-10 23:46:46,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 23:46:46,805 INFO L933 BasicCegarLoop]: 6977 mSDtfsCounter, 9696 mSDsluCounter, 10835 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9696 SdHoareTripleChecker+Valid, 17812 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 23:46:46,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9696 Valid, 17812 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 23:46:46,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106756 states. [2022-01-10 23:46:48,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106756 to 75256. [2022-01-10 23:46:48,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75256 states, 75251 states have (on average 1.8673505999920268) internal successors, (140520), 75255 states have internal predecessors, (140520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:48,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75256 states to 75256 states and 140520 transitions. [2022-01-10 23:46:48,628 INFO L78 Accepts]: Start accepts. Automaton has 75256 states and 140520 transitions. Word has length 108 [2022-01-10 23:46:48,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:46:48,628 INFO L470 AbstractCegarLoop]: Abstraction has 75256 states and 140520 transitions. [2022-01-10 23:46:48,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 75256 states and 140520 transitions. [2022-01-10 23:46:48,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-01-10 23:46:48,648 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:46:48,648 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:46:48,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 23:46:48,648 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:46:48,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:46:48,649 INFO L85 PathProgramCache]: Analyzing trace with hash -990472968, now seen corresponding path program 1 times [2022-01-10 23:46:48,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:46:48,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151103696] [2022-01-10 23:46:48,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:46:48,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:46:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:46:48,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:46:48,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:46:48,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151103696] [2022-01-10 23:46:48,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151103696] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:46:48,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:46:48,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 23:46:48,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699737231] [2022-01-10 23:46:48,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:46:48,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 23:46:48,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:46:48,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 23:46:48,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:48,721 INFO L87 Difference]: Start difference. First operand 75256 states and 140520 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:50,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:46:50,877 INFO L93 Difference]: Finished difference Result 152871 states and 285391 transitions. [2022-01-10 23:46:50,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 23:46:50,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-01-10 23:46:50,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:46:51,039 INFO L225 Difference]: With dead ends: 152871 [2022-01-10 23:46:51,039 INFO L226 Difference]: Without dead ends: 79196 [2022-01-10 23:46:51,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:51,087 INFO L933 BasicCegarLoop]: 8664 mSDtfsCounter, 4765 mSDsluCounter, 4513 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4765 SdHoareTripleChecker+Valid, 13177 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 23:46:51,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4765 Valid, 13177 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 23:46:51,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79196 states. [2022-01-10 23:46:52,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79196 to 75256. [2022-01-10 23:46:52,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75256 states, 75251 states have (on average 1.8493441947615314) internal successors, (139165), 75255 states have internal predecessors, (139165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:52,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75256 states to 75256 states and 139165 transitions. [2022-01-10 23:46:52,668 INFO L78 Accepts]: Start accepts. Automaton has 75256 states and 139165 transitions. Word has length 111 [2022-01-10 23:46:52,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:46:52,668 INFO L470 AbstractCegarLoop]: Abstraction has 75256 states and 139165 transitions. [2022-01-10 23:46:52,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:52,668 INFO L276 IsEmpty]: Start isEmpty. Operand 75256 states and 139165 transitions. [2022-01-10 23:46:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-01-10 23:46:52,684 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:46:52,685 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:46:52,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 23:46:52,685 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:46:52,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:46:52,685 INFO L85 PathProgramCache]: Analyzing trace with hash -950579256, now seen corresponding path program 1 times [2022-01-10 23:46:52,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:46:52,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68832138] [2022-01-10 23:46:52,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:46:52,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:46:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:46:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:46:52,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:46:52,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68832138] [2022-01-10 23:46:52,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68832138] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:46:52,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:46:52,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 23:46:52,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174334004] [2022-01-10 23:46:52,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:46:52,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 23:46:52,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:46:52,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 23:46:52,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:52,733 INFO L87 Difference]: Start difference. First operand 75256 states and 139165 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:54,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:46:54,700 INFO L93 Difference]: Finished difference Result 154822 states and 286390 transitions. [2022-01-10 23:46:54,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 23:46:54,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-01-10 23:46:54,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:46:54,841 INFO L225 Difference]: With dead ends: 154822 [2022-01-10 23:46:54,841 INFO L226 Difference]: Without dead ends: 82433 [2022-01-10 23:46:54,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:54,893 INFO L933 BasicCegarLoop]: 9170 mSDtfsCounter, 4490 mSDsluCounter, 4831 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4490 SdHoareTripleChecker+Valid, 14001 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 23:46:54,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4490 Valid, 14001 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 23:46:55,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82433 states. [2022-01-10 23:46:56,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82433 to 75256. [2022-01-10 23:46:56,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75256 states, 75251 states have (on average 1.8338626729212901) internal successors, (138000), 75255 states have internal predecessors, (138000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:56,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75256 states to 75256 states and 138000 transitions. [2022-01-10 23:46:56,709 INFO L78 Accepts]: Start accepts. Automaton has 75256 states and 138000 transitions. Word has length 116 [2022-01-10 23:46:56,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:46:56,709 INFO L470 AbstractCegarLoop]: Abstraction has 75256 states and 138000 transitions. [2022-01-10 23:46:56,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:56,710 INFO L276 IsEmpty]: Start isEmpty. Operand 75256 states and 138000 transitions. [2022-01-10 23:46:56,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-01-10 23:46:56,726 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:46:56,726 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:46:56,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 23:46:56,726 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:46:56,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:46:56,726 INFO L85 PathProgramCache]: Analyzing trace with hash 908958743, now seen corresponding path program 1 times [2022-01-10 23:46:56,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:46:56,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443105053] [2022-01-10 23:46:56,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:46:56,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:46:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:46:56,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:46:56,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:46:56,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443105053] [2022-01-10 23:46:56,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443105053] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:46:56,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:46:56,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 23:46:56,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834460008] [2022-01-10 23:46:56,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:46:56,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 23:46:56,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:46:56,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 23:46:56,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:56,781 INFO L87 Difference]: Start difference. First operand 75256 states and 138000 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:46:59,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:46:59,043 INFO L93 Difference]: Finished difference Result 156446 states and 287322 transitions. [2022-01-10 23:46:59,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 23:46:59,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-01-10 23:46:59,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:46:59,301 INFO L225 Difference]: With dead ends: 156446 [2022-01-10 23:46:59,301 INFO L226 Difference]: Without dead ends: 86503 [2022-01-10 23:46:59,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:46:59,352 INFO L933 BasicCegarLoop]: 9568 mSDtfsCounter, 4337 mSDsluCounter, 5149 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4337 SdHoareTripleChecker+Valid, 14717 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 23:46:59,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4337 Valid, 14717 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 23:46:59,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86503 states. [2022-01-10 23:47:00,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86503 to 75256. [2022-01-10 23:47:00,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75256 states, 75251 states have (on average 1.821570477468738) internal successors, (137075), 75255 states have internal predecessors, (137075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:47:01,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75256 states to 75256 states and 137075 transitions. [2022-01-10 23:47:01,132 INFO L78 Accepts]: Start accepts. Automaton has 75256 states and 137075 transitions. Word has length 120 [2022-01-10 23:47:01,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:47:01,132 INFO L470 AbstractCegarLoop]: Abstraction has 75256 states and 137075 transitions. [2022-01-10 23:47:01,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:47:01,133 INFO L276 IsEmpty]: Start isEmpty. Operand 75256 states and 137075 transitions. [2022-01-10 23:47:01,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-01-10 23:47:01,148 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:47:01,148 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:47:01,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 23:47:01,149 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:47:01,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:47:01,149 INFO L85 PathProgramCache]: Analyzing trace with hash -180094172, now seen corresponding path program 1 times [2022-01-10 23:47:01,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:47:01,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042964066] [2022-01-10 23:47:01,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:47:01,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:47:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:47:01,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:47:01,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:47:01,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042964066] [2022-01-10 23:47:01,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042964066] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:47:01,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:47:01,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 23:47:01,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396250447] [2022-01-10 23:47:01,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:47:01,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 23:47:01,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:47:01,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 23:47:01,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:47:01,222 INFO L87 Difference]: Start difference. First operand 75256 states and 137075 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:47:03,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:47:03,306 INFO L93 Difference]: Finished difference Result 157890 states and 288634 transitions. [2022-01-10 23:47:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 23:47:03,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-01-10 23:47:03,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:47:03,470 INFO L225 Difference]: With dead ends: 157890 [2022-01-10 23:47:03,470 INFO L226 Difference]: Without dead ends: 91258 [2022-01-10 23:47:03,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:47:03,532 INFO L933 BasicCegarLoop]: 9956 mSDtfsCounter, 4204 mSDsluCounter, 5467 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4204 SdHoareTripleChecker+Valid, 15423 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 23:47:03,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4204 Valid, 15423 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 23:47:03,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91258 states. [2022-01-10 23:47:05,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91258 to 75256. [2022-01-10 23:47:05,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75256 states, 75251 states have (on average 1.8131320514013103) internal successors, (136440), 75255 states have internal predecessors, (136440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:47:05,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75256 states to 75256 states and 136440 transitions. [2022-01-10 23:47:05,454 INFO L78 Accepts]: Start accepts. Automaton has 75256 states and 136440 transitions. Word has length 123 [2022-01-10 23:47:05,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:47:05,454 INFO L470 AbstractCegarLoop]: Abstraction has 75256 states and 136440 transitions. [2022-01-10 23:47:05,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:47:05,454 INFO L276 IsEmpty]: Start isEmpty. Operand 75256 states and 136440 transitions. [2022-01-10 23:47:05,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-01-10 23:47:05,470 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:47:05,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:47:05,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-10 23:47:05,471 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:47:05,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:47:05,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1090909547, now seen corresponding path program 1 times [2022-01-10 23:47:05,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:47:05,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992833340] [2022-01-10 23:47:05,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:47:05,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:47:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:47:05,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:47:05,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:47:05,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992833340] [2022-01-10 23:47:05,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992833340] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:47:05,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:47:05,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 23:47:05,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643876651] [2022-01-10 23:47:05,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:47:05,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 23:47:05,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:47:05,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 23:47:05,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:47:05,523 INFO L87 Difference]: Start difference. First operand 75256 states and 136440 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:47:07,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:47:07,843 INFO L93 Difference]: Finished difference Result 159298 states and 290655 transitions. [2022-01-10 23:47:07,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 23:47:07,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-01-10 23:47:07,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:47:08,010 INFO L225 Difference]: With dead ends: 159298 [2022-01-10 23:47:08,010 INFO L226 Difference]: Without dead ends: 96321 [2022-01-10 23:47:08,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 23:47:08,060 INFO L933 BasicCegarLoop]: 10334 mSDtfsCounter, 4091 mSDsluCounter, 5785 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4091 SdHoareTripleChecker+Valid, 16119 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 23:47:08,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4091 Valid, 16119 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 23:47:08,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96321 states. [2022-01-10 23:47:09,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96321 to 75256. [2022-01-10 23:47:09,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75256 states, 75251 states have (on average 1.8088796162177248) internal successors, (136120), 75255 states have internal predecessors, (136120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:47:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75256 states to 75256 states and 136120 transitions. [2022-01-10 23:47:09,982 INFO L78 Accepts]: Start accepts. Automaton has 75256 states and 136120 transitions. Word has length 125 [2022-01-10 23:47:09,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:47:09,982 INFO L470 AbstractCegarLoop]: Abstraction has 75256 states and 136120 transitions. [2022-01-10 23:47:09,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:47:09,983 INFO L276 IsEmpty]: Start isEmpty. Operand 75256 states and 136120 transitions. [2022-01-10 23:47:10,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-01-10 23:47:10,003 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:47:10,004 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:47:10,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-10 23:47:10,004 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:47:10,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:47:10,004 INFO L85 PathProgramCache]: Analyzing trace with hash -399866096, now seen corresponding path program 1 times [2022-01-10 23:47:10,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:47:10,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602966890] [2022-01-10 23:47:10,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:47:10,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:47:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:47:10,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:47:10,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:47:10,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602966890] [2022-01-10 23:47:10,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602966890] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:47:10,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:47:10,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 23:47:10,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919926728] [2022-01-10 23:47:10,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:47:10,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 23:47:10,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:47:10,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 23:47:10,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 23:47:10,103 INFO L87 Difference]: Start difference. First operand 75256 states and 136120 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:47:15,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:47:15,834 INFO L93 Difference]: Finished difference Result 376116 states and 680402 transitions. [2022-01-10 23:47:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 23:47:15,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-01-10 23:47:15,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:47:16,587 INFO L225 Difference]: With dead ends: 376116 [2022-01-10 23:47:16,587 INFO L226 Difference]: Without dead ends: 300883 [2022-01-10 23:47:16,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-01-10 23:47:16,675 INFO L933 BasicCegarLoop]: 20249 mSDtfsCounter, 26972 mSDsluCounter, 33751 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26972 SdHoareTripleChecker+Valid, 54000 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 23:47:16,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26972 Valid, 54000 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 23:47:16,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300883 states. [2022-01-10 23:47:20,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300883 to 75259. [2022-01-10 23:47:20,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75259 states, 75254 states have (on average 1.8088473702394556) internal successors, (136123), 75258 states have internal predecessors, (136123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:47:20,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75259 states to 75259 states and 136123 transitions. [2022-01-10 23:47:20,472 INFO L78 Accepts]: Start accepts. Automaton has 75259 states and 136123 transitions. Word has length 125 [2022-01-10 23:47:20,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:47:20,472 INFO L470 AbstractCegarLoop]: Abstraction has 75259 states and 136123 transitions. [2022-01-10 23:47:20,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:47:20,472 INFO L276 IsEmpty]: Start isEmpty. Operand 75259 states and 136123 transitions. [2022-01-10 23:47:20,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-01-10 23:47:20,487 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:47:20,487 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:47:20,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-10 23:47:20,488 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:47:20,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:47:20,488 INFO L85 PathProgramCache]: Analyzing trace with hash -164187921, now seen corresponding path program 1 times [2022-01-10 23:47:20,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:47:20,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225243298] [2022-01-10 23:47:20,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:47:20,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:47:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:47:20,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:47:20,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:47:20,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225243298] [2022-01-10 23:47:20,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225243298] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:47:20,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:47:20,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 23:47:20,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157746600] [2022-01-10 23:47:20,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:47:20,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 23:47:20,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:47:20,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 23:47:20,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-01-10 23:47:20,566 INFO L87 Difference]: Start difference. First operand 75259 states and 136123 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:47:22,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 23:47:22,900 INFO L93 Difference]: Finished difference Result 150471 states and 272189 transitions. [2022-01-10 23:47:22,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 23:47:22,901 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-01-10 23:47:22,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 23:47:23,040 INFO L225 Difference]: With dead ends: 150471 [2022-01-10 23:47:23,040 INFO L226 Difference]: Without dead ends: 75229 [2022-01-10 23:47:23,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-01-10 23:47:23,083 INFO L933 BasicCegarLoop]: 6749 mSDtfsCounter, 20239 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20239 SdHoareTripleChecker+Valid, 6770 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 23:47:23,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20239 Valid, 6770 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 23:47:23,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75229 states. [2022-01-10 23:47:25,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75229 to 75229. [2022-01-10 23:47:25,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75229 states, 75224 states have (on average 1.8090370094650643) internal successors, (136083), 75228 states have internal predecessors, (136083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:47:25,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75229 states to 75229 states and 136083 transitions. [2022-01-10 23:47:25,570 INFO L78 Accepts]: Start accepts. Automaton has 75229 states and 136083 transitions. Word has length 125 [2022-01-10 23:47:25,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 23:47:25,570 INFO L470 AbstractCegarLoop]: Abstraction has 75229 states and 136083 transitions. [2022-01-10 23:47:25,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 23:47:25,570 INFO L276 IsEmpty]: Start isEmpty. Operand 75229 states and 136083 transitions. [2022-01-10 23:47:25,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-10 23:47:25,730 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 23:47:25,743 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 23:47:25,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-10 23:47:25,743 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-10 23:47:25,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 23:47:25,744 INFO L85 PathProgramCache]: Analyzing trace with hash 333427192, now seen corresponding path program 1 times [2022-01-10 23:47:25,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 23:47:25,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454730646] [2022-01-10 23:47:25,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 23:47:25,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 23:47:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 23:47:25,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 23:47:25,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 23:47:25,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454730646] [2022-01-10 23:47:25,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454730646] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 23:47:25,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 23:47:25,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 23:47:25,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563702039] [2022-01-10 23:47:25,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 23:47:25,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 23:47:25,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 23:47:25,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 23:47:25,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 23:47:25,806 INFO L87 Difference]: Start difference. First operand 75229 states and 136083 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)