/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_BITWISE.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 12:08:02,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 12:08:02,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 12:08:02,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 12:08:02,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 12:08:02,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 12:08:02,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 12:08:02,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 12:08:02,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 12:08:02,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 12:08:02,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 12:08:02,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 12:08:02,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 12:08:02,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 12:08:02,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 12:08:02,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 12:08:02,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 12:08:02,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 12:08:02,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 12:08:02,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 12:08:02,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 12:08:02,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 12:08:02,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 12:08:02,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 12:08:02,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 12:08:02,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 12:08:02,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 12:08:02,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 12:08:02,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 12:08:02,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 12:08:02,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 12:08:02,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 12:08:02,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 12:08:02,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 12:08:02,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 12:08:02,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 12:08:02,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 12:08:02,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 12:08:02,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 12:08:02,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 12:08:02,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 12:08:02,536 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 12:08:02,567 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 12:08:02,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 12:08:02,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 12:08:02,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 12:08:02,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 12:08:02,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 12:08:02,569 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 12:08:02,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 12:08:02,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 12:08:02,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 12:08:02,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 12:08:02,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 12:08:02,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 12:08:02,570 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 12:08:02,570 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 12:08:02,570 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 12:08:02,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 12:08:02,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 12:08:02,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 12:08:02,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 12:08:02,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 12:08:02,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 12:08:02,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 12:08:02,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 12:08:02,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 12:08:02,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 12:08:02,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 12:08:02,575 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 12:08:02,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 12:08:02,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 12:08:02,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 12:08:02,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 12:08:02,578 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 12:08:02,578 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 12:08:02,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 12:08:02,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 12:08:02,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 12:08:02,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 12:08:02,828 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 12:08:02,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product31.cil.c [2022-01-10 12:08:02,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75bcc7675/e8b013a4e9834880ba48429014d4c0bc/FLAG1cbfcf8c2 [2022-01-10 12:08:03,431 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 12:08:03,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product31.cil.c [2022-01-10 12:08:03,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75bcc7675/e8b013a4e9834880ba48429014d4c0bc/FLAG1cbfcf8c2 [2022-01-10 12:08:03,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75bcc7675/e8b013a4e9834880ba48429014d4c0bc [2022-01-10 12:08:03,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 12:08:03,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 12:08:03,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 12:08:03,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 12:08:03,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 12:08:03,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:08:03" (1/1) ... [2022-01-10 12:08:03,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d384eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:03, skipping insertion in model container [2022-01-10 12:08:03,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:08:03" (1/1) ... [2022-01-10 12:08:03,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 12:08:03,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 12:08:04,123 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_spec3_product31.cil.c[1545,1558] [2022-01-10 12:08:04,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:08:04,474 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 12:08:04,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 12:08:04,494 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_spec3_product31.cil.c[1545,1558] [2022-01-10 12:08:04,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:08:04,608 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 12:08:04,620 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_spec3_product31.cil.c[1545,1558] [2022-01-10 12:08:04,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 12:08:04,720 INFO L208 MainTranslator]: Completed translation [2022-01-10 12:08:04,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:04 WrapperNode [2022-01-10 12:08:04,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 12:08:04,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 12:08:04,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 12:08:04,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 12:08:04,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:04" (1/1) ... [2022-01-10 12:08:04,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:04" (1/1) ... [2022-01-10 12:08:05,067 INFO L137 Inliner]: procedures = 97, calls = 355, calls flagged for inlining = 208, calls inlined = 1098, statements flattened = 36055 [2022-01-10 12:08:05,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 12:08:05,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 12:08:05,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 12:08:05,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 12:08:05,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:04" (1/1) ... [2022-01-10 12:08:05,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:04" (1/1) ... [2022-01-10 12:08:05,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:04" (1/1) ... [2022-01-10 12:08:05,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:04" (1/1) ... [2022-01-10 12:08:05,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:04" (1/1) ... [2022-01-10 12:08:05,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:04" (1/1) ... [2022-01-10 12:08:05,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:04" (1/1) ... [2022-01-10 12:08:05,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 12:08:05,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 12:08:05,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 12:08:05,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 12:08:05,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:04" (1/1) ... [2022-01-10 12:08:05,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 12:08:05,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 12:08:05,821 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 12:08:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 12:08:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 12:08:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 12:08:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 12:08:05,851 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 12:08:06,073 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 12:08:06,074 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 12:08:17,996 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 12:08:18,066 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 12:08:18,066 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 12:08:18,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:08:18 BoogieIcfgContainer [2022-01-10 12:08:18,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 12:08:18,077 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 12:08:18,078 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 12:08:18,079 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 12:08:18,083 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:08:18" (1/1) ... [2022-01-10 12:08:20,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 12:08:20 BasicIcfg [2022-01-10 12:08:20,103 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 12:08:20,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 12:08:20,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 12:08:20,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 12:08:20,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:08:03" (1/4) ... [2022-01-10 12:08:20,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1187273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:08:20, skipping insertion in model container [2022-01-10 12:08:20,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:08:04" (2/4) ... [2022-01-10 12:08:20,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1187273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:08:20, skipping insertion in model container [2022-01-10 12:08:20,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:08:18" (3/4) ... [2022-01-10 12:08:20,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1187273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:08:20, skipping insertion in model container [2022-01-10 12:08:20,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 12:08:20" (4/4) ... [2022-01-10 12:08:20,112 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product31.cil.cTransformedIcfg [2022-01-10 12:08:20,116 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 12:08:20,116 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-01-10 12:08:20,181 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 12:08:20,189 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 12:08:20,189 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-01-10 12:08:20,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 9393 states, 9382 states have (on average 1.8711362182903433) internal successors, (17555), 9392 states have internal predecessors, (17555), 0 states have call successors, (0), 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 12:08:20,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-10 12:08:20,350 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:08:20,351 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] [2022-01-10 12:08:20,352 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 12:08:20,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:08:20,359 INFO L85 PathProgramCache]: Analyzing trace with hash 708718841, now seen corresponding path program 1 times [2022-01-10 12:08:20,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:08:20,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333398406] [2022-01-10 12:08:20,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:08:20,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:08:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:08:20,809 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 12:08:20,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:08:20,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333398406] [2022-01-10 12:08:20,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333398406] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:08:20,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:08:20,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 12:08:20,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031728315] [2022-01-10 12:08:20,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:08:20,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:08:20,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:08:20,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:08:20,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:08:20,910 INFO L87 Difference]: Start difference. First operand has 9393 states, 9382 states have (on average 1.8711362182903433) internal successors, (17555), 9392 states have internal predecessors, (17555), 0 states have call successors, (0), 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 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 12:08:24,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:08:24,644 INFO L93 Difference]: Finished difference Result 23320 states and 43559 transitions. [2022-01-10 12:08:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:08:24,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-01-10 12:08:24,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:08:24,750 INFO L225 Difference]: With dead ends: 23320 [2022-01-10 12:08:24,751 INFO L226 Difference]: Without dead ends: 15050 [2022-01-10 12:08:24,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 12:08:24,792 INFO L933 BasicCegarLoop]: 26610 mSDtfsCounter, 13378 mSDsluCounter, 12815 mSDsCounter, 0 mSdLazyCounter, 2059 mSolverCounterSat, 644 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13378 SdHoareTripleChecker+Valid, 39425 SdHoareTripleChecker+Invalid, 2703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 644 IncrementalHoareTripleChecker+Valid, 2059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:08:24,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13378 Valid, 39425 Invalid, 2703 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [644 Valid, 2059 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-01-10 12:08:24,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15050 states. [2022-01-10 12:08:25,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15050 to 14994. [2022-01-10 12:08:25,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14994 states, 14984 states have (on average 1.8260144153764015) internal successors, (27361), 14993 states have internal predecessors, (27361), 0 states have call successors, (0), 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 12:08:25,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14994 states to 14994 states and 27361 transitions. [2022-01-10 12:08:25,547 INFO L78 Accepts]: Start accepts. Automaton has 14994 states and 27361 transitions. Word has length 52 [2022-01-10 12:08:25,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:08:25,549 INFO L470 AbstractCegarLoop]: Abstraction has 14994 states and 27361 transitions. [2022-01-10 12:08:25,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 12:08:25,550 INFO L276 IsEmpty]: Start isEmpty. Operand 14994 states and 27361 transitions. [2022-01-10 12:08:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-10 12:08:25,554 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:08:25,554 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] [2022-01-10 12:08:25,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 12:08:25,555 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 12:08:25,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:08:25,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1843438120, now seen corresponding path program 1 times [2022-01-10 12:08:25,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:08:25,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784401107] [2022-01-10 12:08:25,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:08:25,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:08:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:08:25,701 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 12:08:25,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:08:25,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784401107] [2022-01-10 12:08:25,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784401107] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:08:25,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:08:25,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 12:08:25,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253961829] [2022-01-10 12:08:25,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:08:25,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:08:25,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:08:25,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:08:25,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:08:25,713 INFO L87 Difference]: Start difference. First operand 14994 states and 27361 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 12:08:26,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:08:26,351 INFO L93 Difference]: Finished difference Result 29933 states and 55273 transitions. [2022-01-10 12:08:26,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:08:26,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-01-10 12:08:26,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:08:26,448 INFO L225 Difference]: With dead ends: 29933 [2022-01-10 12:08:26,448 INFO L226 Difference]: Without dead ends: 22438 [2022-01-10 12:08:26,475 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 12:08:26,477 INFO L933 BasicCegarLoop]: 27110 mSDtfsCounter, 16577 mSDsluCounter, 13871 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16577 SdHoareTripleChecker+Valid, 40981 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 12:08:26,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16577 Valid, 40981 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 12:08:26,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22438 states. [2022-01-10 12:08:27,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22438 to 22410. [2022-01-10 12:08:27,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22410 states, 22400 states have (on average 1.8401785714285714) internal successors, (41220), 22409 states have internal predecessors, (41220), 0 states have call successors, (0), 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 12:08:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22410 states to 22410 states and 41220 transitions. [2022-01-10 12:08:27,497 INFO L78 Accepts]: Start accepts. Automaton has 22410 states and 41220 transitions. Word has length 52 [2022-01-10 12:08:27,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:08:27,498 INFO L470 AbstractCegarLoop]: Abstraction has 22410 states and 41220 transitions. [2022-01-10 12:08:27,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 12:08:27,501 INFO L276 IsEmpty]: Start isEmpty. Operand 22410 states and 41220 transitions. [2022-01-10 12:08:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-10 12:08:27,510 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:08:27,510 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] [2022-01-10 12:08:27,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 12:08:27,510 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 12:08:27,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:08:27,511 INFO L85 PathProgramCache]: Analyzing trace with hash -955934439, now seen corresponding path program 1 times [2022-01-10 12:08:27,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:08:27,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343280390] [2022-01-10 12:08:27,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:08:27,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:08:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:08:27,611 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 12:08:27,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:08:27,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343280390] [2022-01-10 12:08:27,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343280390] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:08:27,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:08:27,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 12:08:27,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029549726] [2022-01-10 12:08:27,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:08:27,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:08:27,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:08:27,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:08:27,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:08:27,614 INFO L87 Difference]: Start difference. First operand 22410 states and 41220 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 12:08:28,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:08:28,643 INFO L93 Difference]: Finished difference Result 64477 states and 118726 transitions. [2022-01-10 12:08:28,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:08:28,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-01-10 12:08:28,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:08:28,786 INFO L225 Difference]: With dead ends: 64477 [2022-01-10 12:08:28,787 INFO L226 Difference]: Without dead ends: 43601 [2022-01-10 12:08:28,838 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 12:08:28,841 INFO L933 BasicCegarLoop]: 23444 mSDtfsCounter, 15765 mSDsluCounter, 16604 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15765 SdHoareTripleChecker+Valid, 40048 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 12:08:28,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15765 Valid, 40048 Invalid, 98 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [38 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 12:08:28,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43601 states. [2022-01-10 12:08:29,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43601 to 43268. [2022-01-10 12:08:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43268 states, 43258 states have (on average 1.840723103241019) internal successors, (79626), 43267 states have internal predecessors, (79626), 0 states have call successors, (0), 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 12:08:30,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43268 states to 43268 states and 79626 transitions. [2022-01-10 12:08:30,320 INFO L78 Accepts]: Start accepts. Automaton has 43268 states and 79626 transitions. Word has length 52 [2022-01-10 12:08:30,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:08:30,321 INFO L470 AbstractCegarLoop]: Abstraction has 43268 states and 79626 transitions. [2022-01-10 12:08:30,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 12:08:30,321 INFO L276 IsEmpty]: Start isEmpty. Operand 43268 states and 79626 transitions. [2022-01-10 12:08:30,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-10 12:08:30,324 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:08:30,324 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] [2022-01-10 12:08:30,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 12:08:30,326 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 12:08:30,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:08:30,327 INFO L85 PathProgramCache]: Analyzing trace with hash -169564014, now seen corresponding path program 1 times [2022-01-10 12:08:30,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:08:30,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97416197] [2022-01-10 12:08:30,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:08:30,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:08:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:08:30,432 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 12:08:30,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:08:30,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97416197] [2022-01-10 12:08:30,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97416197] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:08:30,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:08:30,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 12:08:30,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703695433] [2022-01-10 12:08:30,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:08:30,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 12:08:30,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:08:30,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 12:08:30,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 12:08:30,434 INFO L87 Difference]: Start difference. First operand 43268 states and 79626 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 12:08:32,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:08:32,827 INFO L93 Difference]: Finished difference Result 172763 states and 317912 transitions. [2022-01-10 12:08:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 12:08:32,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-01-10 12:08:32,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:08:33,388 INFO L225 Difference]: With dead ends: 172763 [2022-01-10 12:08:33,388 INFO L226 Difference]: Without dead ends: 129522 [2022-01-10 12:08:33,458 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 12:08:33,459 INFO L933 BasicCegarLoop]: 33221 mSDtfsCounter, 49684 mSDsluCounter, 49861 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49684 SdHoareTripleChecker+Valid, 83082 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 12:08:33,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49684 Valid, 83082 Invalid, 77 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 12:08:33,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129522 states. [2022-01-10 12:08:35,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129522 to 43288. [2022-01-10 12:08:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43288 states, 43278 states have (on average 1.8403345810804566) internal successors, (79646), 43287 states have internal predecessors, (79646), 0 states have call successors, (0), 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 12:08:35,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43288 states to 43288 states and 79646 transitions. [2022-01-10 12:08:35,703 INFO L78 Accepts]: Start accepts. Automaton has 43288 states and 79646 transitions. Word has length 52 [2022-01-10 12:08:35,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:08:35,703 INFO L470 AbstractCegarLoop]: Abstraction has 43288 states and 79646 transitions. [2022-01-10 12:08:35,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 12:08:35,704 INFO L276 IsEmpty]: Start isEmpty. Operand 43288 states and 79646 transitions. [2022-01-10 12:08:35,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-01-10 12:08:35,727 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:08:35,728 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] [2022-01-10 12:08:35,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 12:08:35,729 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 12:08:35,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:08:35,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1854622765, now seen corresponding path program 1 times [2022-01-10 12:08:35,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:08:35,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427640836] [2022-01-10 12:08:35,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:08:35,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:08:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:08:35,836 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 12:08:35,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:08:35,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427640836] [2022-01-10 12:08:35,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427640836] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:08:35,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:08:35,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 12:08:35,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799033969] [2022-01-10 12:08:35,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:08:35,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 12:08:35,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:08:35,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 12:08:35,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 12:08:35,840 INFO L87 Difference]: Start difference. First operand 43288 states and 79646 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 12:08:36,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:08:36,925 INFO L93 Difference]: Finished difference Result 86425 states and 159008 transitions. [2022-01-10 12:08:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 12:08:36,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-01-10 12:08:36,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:08:37,052 INFO L225 Difference]: With dead ends: 86425 [2022-01-10 12:08:37,053 INFO L226 Difference]: Without dead ends: 43152 [2022-01-10 12:08:37,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 12:08:37,100 INFO L933 BasicCegarLoop]: 16572 mSDtfsCounter, 16564 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16564 SdHoareTripleChecker+Valid, 16580 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:08:37,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16564 Valid, 16580 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:08:37,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43152 states. [2022-01-10 12:08:38,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43152 to 43152. [2022-01-10 12:08:38,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43152 states, 43142 states have (on average 1.8398312549255946) internal successors, (79374), 43151 states have internal predecessors, (79374), 0 states have call successors, (0), 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 12:08:38,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43152 states to 43152 states and 79374 transitions. [2022-01-10 12:08:38,615 INFO L78 Accepts]: Start accepts. Automaton has 43152 states and 79374 transitions. Word has length 53 [2022-01-10 12:08:38,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:08:38,617 INFO L470 AbstractCegarLoop]: Abstraction has 43152 states and 79374 transitions. [2022-01-10 12:08:38,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 12:08:38,617 INFO L276 IsEmpty]: Start isEmpty. Operand 43152 states and 79374 transitions. [2022-01-10 12:08:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-10 12:08:38,621 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:08:38,621 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] [2022-01-10 12:08:38,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 12:08:38,621 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 12:08:38,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:08:38,622 INFO L85 PathProgramCache]: Analyzing trace with hash -834060011, now seen corresponding path program 1 times [2022-01-10 12:08:38,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:08:38,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634669283] [2022-01-10 12:08:38,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:08:38,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:08:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:08:38,770 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 12:08:38,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:08:38,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634669283] [2022-01-10 12:08:38,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634669283] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:08:38,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:08:38,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 12:08:38,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697309169] [2022-01-10 12:08:38,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:08:38,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 12:08:38,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:08:38,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 12:08:38,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-10 12:08:38,774 INFO L87 Difference]: Start difference. First operand 43152 states and 79374 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 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 12:08:40,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:08:40,200 INFO L93 Difference]: Finished difference Result 86282 states and 158719 transitions. [2022-01-10 12:08:40,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 12:08:40,201 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2022-01-10 12:08:40,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:08:40,280 INFO L225 Difference]: With dead ends: 86282 [2022-01-10 12:08:40,280 INFO L226 Difference]: Without dead ends: 43152 [2022-01-10 12:08:40,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-01-10 12:08:40,326 INFO L933 BasicCegarLoop]: 16558 mSDtfsCounter, 33119 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33119 SdHoareTripleChecker+Valid, 16596 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:08:40,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33119 Valid, 16596 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:08:40,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43152 states. [2022-01-10 12:08:41,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43152 to 43152. [2022-01-10 12:08:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43152 states, 43142 states have (on average 1.8397385378517455) internal successors, (79370), 43151 states have internal predecessors, (79370), 0 states have call successors, (0), 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 12:08:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43152 states to 43152 states and 79370 transitions. [2022-01-10 12:08:41,765 INFO L78 Accepts]: Start accepts. Automaton has 43152 states and 79370 transitions. Word has length 55 [2022-01-10 12:08:41,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:08:41,765 INFO L470 AbstractCegarLoop]: Abstraction has 43152 states and 79370 transitions. [2022-01-10 12:08:41,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 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 12:08:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 43152 states and 79370 transitions. [2022-01-10 12:08:41,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-01-10 12:08:41,769 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:08:41,769 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] [2022-01-10 12:08:41,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 12:08:41,769 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 12:08:41,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:08:41,770 INFO L85 PathProgramCache]: Analyzing trace with hash 294848695, now seen corresponding path program 1 times [2022-01-10 12:08:41,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:08:41,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940838018] [2022-01-10 12:08:41,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:08:41,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:08:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:08:41,852 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 12:08:41,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:08:41,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940838018] [2022-01-10 12:08:41,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940838018] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:08:41,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:08:41,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 12:08:41,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538850375] [2022-01-10 12:08:41,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:08:41,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 12:08:41,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:08:41,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 12:08:41,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 12:08:41,854 INFO L87 Difference]: Start difference. First operand 43152 states and 79370 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 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 12:08:43,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:08:43,353 INFO L93 Difference]: Finished difference Result 86276 states and 158701 transitions. [2022-01-10 12:08:43,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 12:08:43,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2022-01-10 12:08:43,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:08:43,445 INFO L225 Difference]: With dead ends: 86276 [2022-01-10 12:08:43,448 INFO L226 Difference]: Without dead ends: 43152 [2022-01-10 12:08:43,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 12:08:43,487 INFO L933 BasicCegarLoop]: 16540 mSDtfsCounter, 33096 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33096 SdHoareTripleChecker+Valid, 16583 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:08:43,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33096 Valid, 16583 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:08:43,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43152 states. [2022-01-10 12:08:44,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43152 to 43152. [2022-01-10 12:08:44,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43152 states, 43142 states have (on average 1.8396458207778963) internal successors, (79366), 43151 states have internal predecessors, (79366), 0 states have call successors, (0), 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 12:08:44,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43152 states to 43152 states and 79366 transitions. [2022-01-10 12:08:44,862 INFO L78 Accepts]: Start accepts. Automaton has 43152 states and 79366 transitions. Word has length 56 [2022-01-10 12:08:44,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:08:44,862 INFO L470 AbstractCegarLoop]: Abstraction has 43152 states and 79366 transitions. [2022-01-10 12:08:44,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 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 12:08:44,863 INFO L276 IsEmpty]: Start isEmpty. Operand 43152 states and 79366 transitions. [2022-01-10 12:08:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-10 12:08:44,865 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:08:44,865 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] [2022-01-10 12:08:44,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 12:08:44,865 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 12:08:44,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:08:44,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1058710976, now seen corresponding path program 1 times [2022-01-10 12:08:44,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:08:44,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661216868] [2022-01-10 12:08:44,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:08:44,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:08:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:08:44,940 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 12:08:44,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:08:44,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661216868] [2022-01-10 12:08:44,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661216868] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:08:44,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:08:44,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 12:08:44,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492132941] [2022-01-10 12:08:44,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:08:44,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 12:08:44,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:08:44,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 12:08:44,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 12:08:44,943 INFO L87 Difference]: Start difference. First operand 43152 states and 79366 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 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 12:08:46,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:08:46,430 INFO L93 Difference]: Finished difference Result 86276 states and 158694 transitions. [2022-01-10 12:08:46,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 12:08:46,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-01-10 12:08:46,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:08:46,493 INFO L225 Difference]: With dead ends: 86276 [2022-01-10 12:08:46,493 INFO L226 Difference]: Without dead ends: 43152 [2022-01-10 12:08:46,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-10 12:08:46,522 INFO L933 BasicCegarLoop]: 16540 mSDtfsCounter, 49638 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49638 SdHoareTripleChecker+Valid, 16583 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:08:46,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49638 Valid, 16583 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:08:46,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43152 states. [2022-01-10 12:08:47,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43152 to 43152. [2022-01-10 12:08:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43152 states, 43142 states have (on average 1.8395531037040471) internal successors, (79362), 43151 states have internal predecessors, (79362), 0 states have call successors, (0), 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 12:08:47,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43152 states to 43152 states and 79362 transitions. [2022-01-10 12:08:47,807 INFO L78 Accepts]: Start accepts. Automaton has 43152 states and 79362 transitions. Word has length 57 [2022-01-10 12:08:47,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:08:47,808 INFO L470 AbstractCegarLoop]: Abstraction has 43152 states and 79362 transitions. [2022-01-10 12:08:47,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 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 12:08:47,808 INFO L276 IsEmpty]: Start isEmpty. Operand 43152 states and 79362 transitions. [2022-01-10 12:08:47,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-10 12:08:47,811 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:08:47,811 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 12:08:47,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 12:08:47,811 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 12:08:47,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:08:47,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1279746582, now seen corresponding path program 1 times [2022-01-10 12:08:47,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:08:47,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128568635] [2022-01-10 12:08:47,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:08:47,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:08:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:08:48,013 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 12:08:48,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:08:48,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128568635] [2022-01-10 12:08:48,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128568635] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:08:48,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:08:48,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 12:08:48,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830384757] [2022-01-10 12:08:48,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:08:48,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 12:08:48,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:08:48,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 12:08:48,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 12:08:48,018 INFO L87 Difference]: Start difference. First operand 43152 states and 79362 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 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 12:08:49,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:08:49,533 INFO L93 Difference]: Finished difference Result 86276 states and 158687 transitions. [2022-01-10 12:08:49,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-10 12:08:49,534 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 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 12:08:49,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:08:49,613 INFO L225 Difference]: With dead ends: 86276 [2022-01-10 12:08:49,613 INFO L226 Difference]: Without dead ends: 43152 [2022-01-10 12:08:49,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-01-10 12:08:49,635 INFO L933 BasicCegarLoop]: 16540 mSDtfsCounter, 49634 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49634 SdHoareTripleChecker+Valid, 16583 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:08:49,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49634 Valid, 16583 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:08:49,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43152 states. [2022-01-10 12:08:50,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43152 to 43152. [2022-01-10 12:08:50,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43152 states, 43142 states have (on average 1.839460386630198) internal successors, (79358), 43151 states have internal predecessors, (79358), 0 states have call successors, (0), 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 12:08:50,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43152 states to 43152 states and 79358 transitions. [2022-01-10 12:08:50,964 INFO L78 Accepts]: Start accepts. Automaton has 43152 states and 79358 transitions. Word has length 58 [2022-01-10 12:08:50,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:08:50,964 INFO L470 AbstractCegarLoop]: Abstraction has 43152 states and 79358 transitions. [2022-01-10 12:08:50,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 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 12:08:50,965 INFO L276 IsEmpty]: Start isEmpty. Operand 43152 states and 79358 transitions. [2022-01-10 12:08:50,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-10 12:08:50,967 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:08:50,967 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] [2022-01-10 12:08:50,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 12:08:50,968 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 12:08:50,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:08:50,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1005871341, now seen corresponding path program 1 times [2022-01-10 12:08:50,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:08:50,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225861886] [2022-01-10 12:08:50,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:08:50,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:08:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:08:51,055 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 12:08:51,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:08:51,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225861886] [2022-01-10 12:08:51,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225861886] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:08:51,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:08:51,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 12:08:51,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746327657] [2022-01-10 12:08:51,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:08:51,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 12:08:51,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:08:51,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 12:08:51,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-10 12:08:51,058 INFO L87 Difference]: Start difference. First operand 43152 states and 79358 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 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 12:08:52,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 12:08:52,515 INFO L93 Difference]: Finished difference Result 86276 states and 158680 transitions. [2022-01-10 12:08:52,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-10 12:08:52,515 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-01-10 12:08:52,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 12:08:52,592 INFO L225 Difference]: With dead ends: 86276 [2022-01-10 12:08:52,592 INFO L226 Difference]: Without dead ends: 43152 [2022-01-10 12:08:52,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-01-10 12:08:52,616 INFO L933 BasicCegarLoop]: 16540 mSDtfsCounter, 33084 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33084 SdHoareTripleChecker+Valid, 16593 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 12:08:52,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33084 Valid, 16593 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 12:08:52,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43152 states. [2022-01-10 12:08:53,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43152 to 43152. [2022-01-10 12:08:53,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43152 states, 43142 states have (on average 1.8393676695563488) internal successors, (79354), 43151 states have internal predecessors, (79354), 0 states have call successors, (0), 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 12:08:53,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43152 states to 43152 states and 79354 transitions. [2022-01-10 12:08:53,987 INFO L78 Accepts]: Start accepts. Automaton has 43152 states and 79354 transitions. Word has length 59 [2022-01-10 12:08:53,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 12:08:53,988 INFO L470 AbstractCegarLoop]: Abstraction has 43152 states and 79354 transitions. [2022-01-10 12:08:53,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 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 12:08:53,990 INFO L276 IsEmpty]: Start isEmpty. Operand 43152 states and 79354 transitions. [2022-01-10 12:08:54,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 12:08:54,020 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 12:08:54,020 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] [2022-01-10 12:08:54,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 12:08:54,021 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 12:08:54,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 12:08:54,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1354057955, now seen corresponding path program 1 times [2022-01-10 12:08:54,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 12:08:54,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441713141] [2022-01-10 12:08:54,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 12:08:54,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 12:08:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 12:08:54,097 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 12:08:54,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 12:08:54,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441713141] [2022-01-10 12:08:54,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441713141] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 12:08:54,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 12:08:54,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 12:08:54,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167582453] [2022-01-10 12:08:54,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 12:08:54,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 12:08:54,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 12:08:54,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 12:08:54,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 12:08:54,100 INFO L87 Difference]: Start difference. First operand 43152 states and 79354 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)