./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-30.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc45ea9668aac6e48de27a922a21b6f1fcfad793474bb275ed2ea7566fcf986e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:32:24,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:32:24,443 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 18:32:24,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:32:24,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:32:24,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:32:24,473 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:32:24,473 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:32:24,473 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:32:24,476 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:32:24,476 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:32:24,476 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:32:24,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:32:24,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:32:24,477 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:32:24,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:32:24,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:32:24,478 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:32:24,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 18:32:24,478 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:32:24,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:32:24,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:32:24,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:32:24,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:32:24,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:32:24,480 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:32:24,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:32:24,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:32:24,480 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:32:24,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:32:24,480 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:32:24,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:32:24,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:32:24,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:32:24,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:32:24,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:32:24,481 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 18:32:24,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 18:32:24,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:32:24,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:32:24,482 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:32:24,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:32:24,484 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc45ea9668aac6e48de27a922a21b6f1fcfad793474bb275ed2ea7566fcf986e [2024-11-16 18:32:24,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:32:24,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:32:24,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:32:24,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:32:24,693 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:32:24,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-30.i [2024-11-16 18:32:25,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:32:26,073 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:32:26,074 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-30.i [2024-11-16 18:32:26,081 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097baabe8/852c554a9d494545b6a1535cbf15c24a/FLAGc1eca36b8 [2024-11-16 18:32:26,471 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097baabe8/852c554a9d494545b6a1535cbf15c24a [2024-11-16 18:32:26,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:32:26,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:32:26,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:32:26,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:32:26,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:32:26,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:32:26" (1/1) ... [2024-11-16 18:32:26,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47500c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26, skipping insertion in model container [2024-11-16 18:32:26,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:32:26" (1/1) ... [2024-11-16 18:32:26,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:32:26,618 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-30.i[916,929] [2024-11-16 18:32:26,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:32:26,689 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:32:26,700 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-30.i[916,929] [2024-11-16 18:32:26,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:32:26,779 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:32:26,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26 WrapperNode [2024-11-16 18:32:26,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:32:26,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:32:26,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:32:26,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:32:26,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26" (1/1) ... [2024-11-16 18:32:26,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26" (1/1) ... [2024-11-16 18:32:26,829 INFO L138 Inliner]: procedures = 29, calls = 180, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 552 [2024-11-16 18:32:26,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:32:26,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:32:26,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:32:26,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:32:26,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26" (1/1) ... [2024-11-16 18:32:26,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26" (1/1) ... [2024-11-16 18:32:26,846 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26" (1/1) ... [2024-11-16 18:32:26,871 INFO L175 MemorySlicer]: Split 139 memory accesses to 14 slices as follows [2, 17, 8, 11, 11, 12, 14, 14, 10, 5, 14, 8, 10, 3]. 12 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 1, 1]. [2024-11-16 18:32:26,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26" (1/1) ... [2024-11-16 18:32:26,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26" (1/1) ... [2024-11-16 18:32:26,888 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26" (1/1) ... [2024-11-16 18:32:26,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26" (1/1) ... [2024-11-16 18:32:26,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26" (1/1) ... [2024-11-16 18:32:26,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26" (1/1) ... [2024-11-16 18:32:26,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:32:26,900 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:32:26,900 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:32:26,900 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:32:26,901 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26" (1/1) ... [2024-11-16 18:32:26,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:32:26,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:32:26,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 18:32:26,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 18:32:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:32:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-16 18:32:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-16 18:32:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-16 18:32:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-16 18:32:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-16 18:32:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-16 18:32:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-16 18:32:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-16 18:32:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-16 18:32:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-16 18:32:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-16 18:32:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-16 18:32:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-16 18:32:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-16 18:32:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 18:32:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 18:32:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 18:32:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 18:32:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 18:32:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 18:32:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 18:32:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 18:32:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 18:32:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-16 18:32:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-16 18:32:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-16 18:32:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-16 18:32:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-16 18:32:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-16 18:32:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-16 18:32:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-16 18:32:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-16 18:32:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-16 18:32:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-16 18:32:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-16 18:32:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-16 18:32:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-16 18:32:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-16 18:32:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-16 18:32:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-16 18:32:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-16 18:32:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-16 18:32:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 18:32:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 18:32:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 18:32:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 18:32:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 18:32:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 18:32:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 18:32:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 18:32:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 18:32:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-16 18:32:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-16 18:32:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-16 18:32:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-16 18:32:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-16 18:32:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-16 18:32:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-16 18:32:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-16 18:32:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-16 18:32:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-16 18:32:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-16 18:32:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-16 18:32:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-16 18:32:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-16 18:32:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-16 18:32:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-16 18:32:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-16 18:32:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-16 18:32:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-16 18:32:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:32:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:32:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 18:32:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 18:32:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 18:32:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 18:32:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 18:32:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 18:32:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 18:32:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 18:32:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 18:32:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 18:32:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-16 18:32:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-16 18:32:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-16 18:32:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-16 18:32:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:32:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:32:27,143 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:32:27,144 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:32:27,521 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L116: havoc property_#t~mem90#1;havoc property_#t~ite110#1;havoc property_#t~mem91#1;havoc property_#t~mem92#1;havoc property_#t~ite107#1;havoc property_#t~mem106#1;havoc property_#t~mem93#1;havoc property_#t~mem94#1;havoc property_#t~ite97#1;havoc property_#t~mem95#1;havoc property_#t~mem96#1;havoc property_#t~mem98#1;havoc property_#t~ite105#1;havoc property_#t~mem99#1;havoc property_#t~mem100#1;havoc property_#t~ite103#1;havoc property_#t~mem101#1;havoc property_#t~mem102#1;havoc property_#t~mem104#1;havoc property_#t~mem109#1;havoc property_#t~mem108#1;havoc property_#t~mem111#1;havoc property_#t~mem112#1;havoc property_#t~mem113#1;havoc property_#t~ite125#1;havoc property_#t~mem114#1;havoc property_#t~ite122#1;havoc property_#t~mem115#1;havoc property_#t~mem116#1;havoc property_#t~ite119#1;havoc property_#t~mem118#1;havoc property_#t~mem117#1;havoc property_#t~mem121#1;havoc property_#t~mem120#1;havoc property_#t~mem124#1;havoc property_#t~mem123#1;havoc property_#t~short126#1;havoc property_#t~mem127#1;havoc property_#t~mem128#1;havoc property_#t~ite144#1;havoc property_#t~mem133#1;havoc property_#t~mem129#1;havoc property_#t~mem130#1;havoc property_#t~mem131#1;havoc property_#t~bitwise132#1;havoc property_#t~ite137#1;havoc property_#t~mem136#1;havoc property_#t~mem134#1;havoc property_#t~mem135#1;havoc property_#t~mem143#1;havoc property_#t~mem138#1;havoc property_#t~ite141#1;havoc property_#t~mem139#1;havoc property_#t~mem140#1;havoc property_#t~mem142#1;havoc property_#t~short145#1;havoc property_#t~mem147#1;havoc property_#t~mem146#1;havoc property_#t~short148#1; [2024-11-16 18:32:27,557 INFO L? ?]: Removed 149 outVars from TransFormulas that were not future-live. [2024-11-16 18:32:27,557 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:32:27,573 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:32:27,573 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:32:27,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:32:27 BoogieIcfgContainer [2024-11-16 18:32:27,575 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:32:27,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:32:27,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:32:27,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:32:27,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:32:26" (1/3) ... [2024-11-16 18:32:27,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d9a7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:32:27, skipping insertion in model container [2024-11-16 18:32:27,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:32:26" (2/3) ... [2024-11-16 18:32:27,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d9a7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:32:27, skipping insertion in model container [2024-11-16 18:32:27,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:32:27" (3/3) ... [2024-11-16 18:32:27,581 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-30.i [2024-11-16 18:32:27,594 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:32:27,594 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:32:27,643 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:32:27,651 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6517538c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:32:27,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:32:27,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 103 states have (on average 1.3980582524271845) internal successors, (144), 104 states have internal predecessors, (144), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-16 18:32:27,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-16 18:32:27,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:32:27,666 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:32:27,666 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:32:27,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:32:27,670 INFO L85 PathProgramCache]: Analyzing trace with hash -31747069, now seen corresponding path program 1 times [2024-11-16 18:32:27,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:32:27,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021919266] [2024-11-16 18:32:27,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:32:27,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:32:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:27,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:32:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:27,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:32:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:27,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:32:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:27,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:32:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:27,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:32:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:27,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:32:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:27,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:32:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:27,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:32:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:27,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:32:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:27,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:32:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:27,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:32:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:32:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:32:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:32:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:32:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:32:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:32:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:32:28,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:32:28,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021919266] [2024-11-16 18:32:28,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021919266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:32:28,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:32:28,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:32:28,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819576065] [2024-11-16 18:32:28,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:32:28,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:32:28,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:32:28,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:32:28,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:32:28,055 INFO L87 Difference]: Start difference. First operand has 123 states, 103 states have (on average 1.3980582524271845) internal successors, (144), 104 states have internal predecessors, (144), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:32:28,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:32:28,091 INFO L93 Difference]: Finished difference Result 238 states and 366 transitions. [2024-11-16 18:32:28,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:32:28,093 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2024-11-16 18:32:28,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:32:28,099 INFO L225 Difference]: With dead ends: 238 [2024-11-16 18:32:28,099 INFO L226 Difference]: Without dead ends: 118 [2024-11-16 18:32:28,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:32:28,104 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:32:28,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:32:28,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-16 18:32:28,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-16 18:32:28,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-16 18:32:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 170 transitions. [2024-11-16 18:32:28,144 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 170 transitions. Word has length 140 [2024-11-16 18:32:28,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:32:28,145 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 170 transitions. [2024-11-16 18:32:28,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 18:32:28,145 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 170 transitions. [2024-11-16 18:32:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-16 18:32:28,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:32:28,150 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:32:28,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 18:32:28,151 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:32:28,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:32:28,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1892684950, now seen corresponding path program 1 times [2024-11-16 18:32:28,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:32:28,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278456955] [2024-11-16 18:32:28,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:32:28,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:32:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:32:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:32:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:32:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:32:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:32:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:32:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:32:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:32:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:32:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:32:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:32:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:32:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:32:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:32:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:32:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:32:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:32:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:28,484 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:32:28,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:32:28,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278456955] [2024-11-16 18:32:28,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278456955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:32:28,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:32:28,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:32:28,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165890809] [2024-11-16 18:32:28,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:32:28,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:32:28,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:32:28,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:32:28,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:32:28,491 INFO L87 Difference]: Start difference. First operand 118 states and 170 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:28,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:32:28,535 INFO L93 Difference]: Finished difference Result 236 states and 341 transitions. [2024-11-16 18:32:28,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:32:28,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-16 18:32:28,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:32:28,541 INFO L225 Difference]: With dead ends: 236 [2024-11-16 18:32:28,541 INFO L226 Difference]: Without dead ends: 121 [2024-11-16 18:32:28,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:32:28,542 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:32:28,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 486 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:32:28,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-16 18:32:28,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-11-16 18:32:28,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-16 18:32:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2024-11-16 18:32:28,553 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 140 [2024-11-16 18:32:28,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:32:28,554 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2024-11-16 18:32:28,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:28,554 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2024-11-16 18:32:28,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-16 18:32:28,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:32:28,556 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:32:28,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 18:32:28,557 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:32:28,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:32:28,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1921314101, now seen corresponding path program 1 times [2024-11-16 18:32:28,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:32:28,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445284158] [2024-11-16 18:32:28,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:32:28,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:32:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:32:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:32:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:32:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:32:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:32:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:32:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:32:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:32:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:32:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:32:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:32:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:32:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:32:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:32:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:32:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:32:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:32:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:29,418 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:32:29,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:32:29,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445284158] [2024-11-16 18:32:29,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445284158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:32:29,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:32:29,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 18:32:29,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063667583] [2024-11-16 18:32:29,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:32:29,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 18:32:29,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:32:29,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 18:32:29,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:32:29,421 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-16 18:32:30,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:32:30,042 INFO L93 Difference]: Finished difference Result 398 states and 564 transitions. [2024-11-16 18:32:30,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 18:32:30,043 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 140 [2024-11-16 18:32:30,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:32:30,047 INFO L225 Difference]: With dead ends: 398 [2024-11-16 18:32:30,047 INFO L226 Difference]: Without dead ends: 281 [2024-11-16 18:32:30,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-16 18:32:30,051 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 324 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 18:32:30,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 1172 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 18:32:30,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-16 18:32:30,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 204. [2024-11-16 18:32:30,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 172 states have (on average 1.3546511627906976) internal successors, (233), 173 states have internal predecessors, (233), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-16 18:32:30,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 291 transitions. [2024-11-16 18:32:30,084 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 291 transitions. Word has length 140 [2024-11-16 18:32:30,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:32:30,085 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 291 transitions. [2024-11-16 18:32:30,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-16 18:32:30,085 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 291 transitions. [2024-11-16 18:32:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 18:32:30,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:32:30,087 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:32:30,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 18:32:30,087 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:32:30,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:32:30,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1263820794, now seen corresponding path program 1 times [2024-11-16 18:32:30,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:32:30,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582698744] [2024-11-16 18:32:30,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:32:30,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:32:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:32:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:32:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:32:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:32:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:32:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:32:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:32:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:32:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:32:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:32:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:32:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:32:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:32:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:32:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:32:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:32:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:32:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:32:30,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:32:30,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582698744] [2024-11-16 18:32:30,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582698744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:32:30,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:32:30,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:32:30,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610869773] [2024-11-16 18:32:30,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:32:30,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:32:30,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:32:30,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:32:30,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:32:30,315 INFO L87 Difference]: Start difference. First operand 204 states and 291 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:30,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:32:30,385 INFO L93 Difference]: Finished difference Result 411 states and 584 transitions. [2024-11-16 18:32:30,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:32:30,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-16 18:32:30,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:32:30,388 INFO L225 Difference]: With dead ends: 411 [2024-11-16 18:32:30,388 INFO L226 Difference]: Without dead ends: 210 [2024-11-16 18:32:30,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:32:30,390 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 75 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:32:30,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 782 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:32:30,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-16 18:32:30,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 204. [2024-11-16 18:32:30,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 172 states have (on average 1.3488372093023255) internal successors, (232), 173 states have internal predecessors, (232), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-16 18:32:30,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 290 transitions. [2024-11-16 18:32:30,404 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 290 transitions. Word has length 141 [2024-11-16 18:32:30,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:32:30,405 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 290 transitions. [2024-11-16 18:32:30,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:30,405 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 290 transitions. [2024-11-16 18:32:30,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 18:32:30,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:32:30,407 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:32:30,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 18:32:30,407 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:32:30,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:32:30,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1319673010, now seen corresponding path program 1 times [2024-11-16 18:32:30,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:32:30,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784332453] [2024-11-16 18:32:30,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:32:30,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:32:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:32:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:32:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:32:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:32:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:32:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:32:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:32:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:32:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:32:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:32:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:32:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:32:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:32:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:32:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:32:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:32:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:32:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:31,210 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:32:31,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:32:31,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784332453] [2024-11-16 18:32:31,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784332453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:32:31,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:32:31,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 18:32:31,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532660590] [2024-11-16 18:32:31,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:32:31,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 18:32:31,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:32:31,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 18:32:31,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-16 18:32:31,214 INFO L87 Difference]: Start difference. First operand 204 states and 290 transitions. Second operand has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-16 18:32:31,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:32:31,627 INFO L93 Difference]: Finished difference Result 659 states and 924 transitions. [2024-11-16 18:32:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 18:32:31,627 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 141 [2024-11-16 18:32:31,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:32:31,631 INFO L225 Difference]: With dead ends: 659 [2024-11-16 18:32:31,631 INFO L226 Difference]: Without dead ends: 458 [2024-11-16 18:32:31,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2024-11-16 18:32:31,632 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 585 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:32:31,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 1081 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:32:31,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-16 18:32:31,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 330. [2024-11-16 18:32:31,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 286 states have (on average 1.3496503496503496) internal successors, (386), 289 states have internal predecessors, (386), 39 states have call successors, (39), 4 states have call predecessors, (39), 4 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-16 18:32:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 464 transitions. [2024-11-16 18:32:31,655 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 464 transitions. Word has length 141 [2024-11-16 18:32:31,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:32:31,656 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 464 transitions. [2024-11-16 18:32:31,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-16 18:32:31,657 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 464 transitions. [2024-11-16 18:32:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 18:32:31,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:32:31,659 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:32:31,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 18:32:31,659 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:32:31,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:32:31,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1467742477, now seen corresponding path program 1 times [2024-11-16 18:32:31,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:32:31,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271035768] [2024-11-16 18:32:31,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:32:31,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:32:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:32:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:32:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:32:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:32:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:32:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:32:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:32:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:32:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:32:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:32:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:32:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:32:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:32:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:32:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:32:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:32:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:32:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:32:32,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:32:32,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271035768] [2024-11-16 18:32:32,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271035768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:32:32,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:32:32,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 18:32:32,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933131664] [2024-11-16 18:32:32,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:32:32,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 18:32:32,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:32:32,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 18:32:32,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:32:32,306 INFO L87 Difference]: Start difference. First operand 330 states and 464 transitions. Second operand has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-16 18:32:32,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:32:32,655 INFO L93 Difference]: Finished difference Result 665 states and 934 transitions. [2024-11-16 18:32:32,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 18:32:32,655 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 141 [2024-11-16 18:32:32,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:32:32,657 INFO L225 Difference]: With dead ends: 665 [2024-11-16 18:32:32,657 INFO L226 Difference]: Without dead ends: 338 [2024-11-16 18:32:32,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-16 18:32:32,658 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 249 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:32:32,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 998 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:32:32,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-16 18:32:32,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 334. [2024-11-16 18:32:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 290 states have (on average 1.3448275862068966) internal successors, (390), 293 states have internal predecessors, (390), 39 states have call successors, (39), 4 states have call predecessors, (39), 4 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-16 18:32:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 468 transitions. [2024-11-16 18:32:32,677 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 468 transitions. Word has length 141 [2024-11-16 18:32:32,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:32:32,678 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 468 transitions. [2024-11-16 18:32:32,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-16 18:32:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 468 transitions. [2024-11-16 18:32:32,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-16 18:32:32,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:32:32,679 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:32:32,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 18:32:32,680 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:32:32,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:32:32,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1811135154, now seen corresponding path program 1 times [2024-11-16 18:32:32,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:32:32,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630073919] [2024-11-16 18:32:32,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:32:32,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:32:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:32:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:32:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:32:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:32:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:32:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:32:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:32:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:32:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:32:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:32:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:32:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:32:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:32:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:32:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:32:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:32:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:32:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:32,815 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:32:32,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:32:32,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630073919] [2024-11-16 18:32:32,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630073919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:32:32,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:32:32,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:32:32,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105522863] [2024-11-16 18:32:32,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:32:32,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:32:32,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:32:32,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:32:32,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:32:32,817 INFO L87 Difference]: Start difference. First operand 334 states and 468 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:32,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:32:32,853 INFO L93 Difference]: Finished difference Result 677 states and 949 transitions. [2024-11-16 18:32:32,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:32:32,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-16 18:32:32,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:32:32,856 INFO L225 Difference]: With dead ends: 677 [2024-11-16 18:32:32,857 INFO L226 Difference]: Without dead ends: 346 [2024-11-16 18:32:32,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:32:32,859 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:32:32,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 650 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:32:32,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-16 18:32:32,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 342. [2024-11-16 18:32:32,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 298 states have (on average 1.3355704697986577) internal successors, (398), 301 states have internal predecessors, (398), 39 states have call successors, (39), 4 states have call predecessors, (39), 4 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-16 18:32:32,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 476 transitions. [2024-11-16 18:32:32,881 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 476 transitions. Word has length 143 [2024-11-16 18:32:32,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:32:32,883 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 476 transitions. [2024-11-16 18:32:32,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 476 transitions. [2024-11-16 18:32:32,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-16 18:32:32,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:32:32,884 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:32:32,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 18:32:32,885 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:32:32,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:32:32,885 INFO L85 PathProgramCache]: Analyzing trace with hash 510009948, now seen corresponding path program 1 times [2024-11-16 18:32:32,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:32:32,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950261829] [2024-11-16 18:32:32,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:32:32,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:32:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:32:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:32:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:32:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:32:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:32:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:32:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:32:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:32:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:32:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:32:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:32:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:32:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:32:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:32:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:32:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:32:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:32:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:33,298 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:32:33,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:32:33,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950261829] [2024-11-16 18:32:33,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950261829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:32:33,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:32:33,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 18:32:33,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790015744] [2024-11-16 18:32:33,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:32:33,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 18:32:33,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:32:33,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 18:32:33,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:32:33,301 INFO L87 Difference]: Start difference. First operand 342 states and 476 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:33,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:32:33,632 INFO L93 Difference]: Finished difference Result 948 states and 1301 transitions. [2024-11-16 18:32:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 18:32:33,632 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-16 18:32:33,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:32:33,635 INFO L225 Difference]: With dead ends: 948 [2024-11-16 18:32:33,635 INFO L226 Difference]: Without dead ends: 609 [2024-11-16 18:32:33,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-16 18:32:33,636 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 292 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 1206 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:32:33,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 1206 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:32:33,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2024-11-16 18:32:33,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 342. [2024-11-16 18:32:33,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 298 states have (on average 1.3288590604026846) internal successors, (396), 301 states have internal predecessors, (396), 39 states have call successors, (39), 4 states have call predecessors, (39), 4 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-16 18:32:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 474 transitions. [2024-11-16 18:32:33,656 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 474 transitions. Word has length 143 [2024-11-16 18:32:33,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:32:33,657 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 474 transitions. [2024-11-16 18:32:33,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 474 transitions. [2024-11-16 18:32:33,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-16 18:32:33,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:32:33,658 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:32:33,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 18:32:33,659 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:32:33,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:32:33,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1857535171, now seen corresponding path program 1 times [2024-11-16 18:32:33,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:32:33,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080318163] [2024-11-16 18:32:33,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:32:33,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:32:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:32:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:32:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:32:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:32:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:32:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:32:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:32:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:32:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:32:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:32:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:32:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:32:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:32:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:32:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:32:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:32:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:32:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:32:34,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:32:34,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080318163] [2024-11-16 18:32:34,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080318163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:32:34,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:32:34,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 18:32:34,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127490724] [2024-11-16 18:32:34,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:32:34,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 18:32:34,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:32:34,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 18:32:34,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:32:34,047 INFO L87 Difference]: Start difference. First operand 342 states and 474 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:34,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:32:34,224 INFO L93 Difference]: Finished difference Result 727 states and 1004 transitions. [2024-11-16 18:32:34,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 18:32:34,224 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-16 18:32:34,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:32:34,226 INFO L225 Difference]: With dead ends: 727 [2024-11-16 18:32:34,226 INFO L226 Difference]: Without dead ends: 388 [2024-11-16 18:32:34,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-16 18:32:34,227 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 98 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 1152 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:32:34,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 1152 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:32:34,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-16 18:32:34,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 314. [2024-11-16 18:32:34,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 267 states have (on average 1.3108614232209739) internal successors, (350), 269 states have internal predecessors, (350), 41 states have call successors, (41), 5 states have call predecessors, (41), 5 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-16 18:32:34,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 432 transitions. [2024-11-16 18:32:34,253 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 432 transitions. Word has length 143 [2024-11-16 18:32:34,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:32:34,254 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 432 transitions. [2024-11-16 18:32:34,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 432 transitions. [2024-11-16 18:32:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-16 18:32:34,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:32:34,255 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:32:34,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 18:32:34,256 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:32:34,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:32:34,256 INFO L85 PathProgramCache]: Analyzing trace with hash -649682090, now seen corresponding path program 1 times [2024-11-16 18:32:34,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:32:34,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202299177] [2024-11-16 18:32:34,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:32:34,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:32:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:32:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:32:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:32:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:32:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:32:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:32:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:32:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:32:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:32:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:32:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:32:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:32:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:32:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:32:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:32:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:32:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:32:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:32:34,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:32:34,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202299177] [2024-11-16 18:32:34,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202299177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:32:34,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:32:34,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 18:32:34,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208606306] [2024-11-16 18:32:34,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:32:34,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 18:32:34,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:32:34,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 18:32:34,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-16 18:32:34,647 INFO L87 Difference]: Start difference. First operand 314 states and 432 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:34,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:32:34,854 INFO L93 Difference]: Finished difference Result 800 states and 1092 transitions. [2024-11-16 18:32:34,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 18:32:34,855 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-11-16 18:32:34,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:32:34,857 INFO L225 Difference]: With dead ends: 800 [2024-11-16 18:32:34,857 INFO L226 Difference]: Without dead ends: 489 [2024-11-16 18:32:34,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-16 18:32:34,858 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 92 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:32:34,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1374 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:32:34,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-16 18:32:34,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 484. [2024-11-16 18:32:34,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 413 states have (on average 1.2953995157384988) internal successors, (535), 417 states have internal predecessors, (535), 61 states have call successors, (61), 9 states have call predecessors, (61), 9 states have return successors, (61), 57 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-16 18:32:34,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 657 transitions. [2024-11-16 18:32:34,892 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 657 transitions. Word has length 145 [2024-11-16 18:32:34,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:32:34,893 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 657 transitions. [2024-11-16 18:32:34,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 657 transitions. [2024-11-16 18:32:34,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-16 18:32:34,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:32:34,894 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:32:34,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 18:32:34,895 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:32:34,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:32:34,895 INFO L85 PathProgramCache]: Analyzing trace with hash 472125431, now seen corresponding path program 1 times [2024-11-16 18:32:34,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:32:34,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310302516] [2024-11-16 18:32:34,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:32:34,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:32:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:32:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:32:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:32:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:32:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:32:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:32:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:32:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:32:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:32:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:32:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:32:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:32:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:32:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:32:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:32:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:32:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:32:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,103 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:32:35,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:32:35,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310302516] [2024-11-16 18:32:35,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310302516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:32:35,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:32:35,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:32:35,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170866030] [2024-11-16 18:32:35,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:32:35,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:32:35,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:32:35,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:32:35,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:32:35,105 INFO L87 Difference]: Start difference. First operand 484 states and 657 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:35,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:32:35,229 INFO L93 Difference]: Finished difference Result 984 states and 1330 transitions. [2024-11-16 18:32:35,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:32:35,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-11-16 18:32:35,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:32:35,233 INFO L225 Difference]: With dead ends: 984 [2024-11-16 18:32:35,234 INFO L226 Difference]: Without dead ends: 503 [2024-11-16 18:32:35,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:32:35,235 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 70 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:32:35,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 621 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:32:35,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-16 18:32:35,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 431. [2024-11-16 18:32:35,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 373 states have (on average 1.3002680965147453) internal successors, (485), 376 states have internal predecessors, (485), 49 states have call successors, (49), 8 states have call predecessors, (49), 8 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-16 18:32:35,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 583 transitions. [2024-11-16 18:32:35,278 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 583 transitions. Word has length 145 [2024-11-16 18:32:35,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:32:35,279 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 583 transitions. [2024-11-16 18:32:35,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:35,279 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 583 transitions. [2024-11-16 18:32:35,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-16 18:32:35,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:32:35,280 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:32:35,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 18:32:35,280 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:32:35,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:32:35,281 INFO L85 PathProgramCache]: Analyzing trace with hash -893871494, now seen corresponding path program 1 times [2024-11-16 18:32:35,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:32:35,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069109789] [2024-11-16 18:32:35,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:32:35,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:32:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:32:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:32:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:32:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:32:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:32:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:32:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:32:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:32:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:32:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:32:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:32:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:32:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:32:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:32:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:32:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:32:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:32:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:35,438 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 18:32:35,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:32:35,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069109789] [2024-11-16 18:32:35,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069109789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:32:35,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:32:35,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:32:35,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104767190] [2024-11-16 18:32:35,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:32:35,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:32:35,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:32:35,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:32:35,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:32:35,440 INFO L87 Difference]: Start difference. First operand 431 states and 583 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:35,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:32:35,510 INFO L93 Difference]: Finished difference Result 867 states and 1167 transitions. [2024-11-16 18:32:35,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:32:35,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-11-16 18:32:35,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:32:35,514 INFO L225 Difference]: With dead ends: 867 [2024-11-16 18:32:35,514 INFO L226 Difference]: Without dead ends: 439 [2024-11-16 18:32:35,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:32:35,515 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 72 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:32:35,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 719 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:32:35,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-16 18:32:35,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 395. [2024-11-16 18:32:35,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 337 states have (on average 1.28486646884273) internal successors, (433), 340 states have internal predecessors, (433), 49 states have call successors, (49), 8 states have call predecessors, (49), 8 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-16 18:32:35,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 531 transitions. [2024-11-16 18:32:35,549 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 531 transitions. Word has length 146 [2024-11-16 18:32:35,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:32:35,550 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 531 transitions. [2024-11-16 18:32:35,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 18:32:35,550 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 531 transitions. [2024-11-16 18:32:35,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-16 18:32:35,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:32:35,552 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:32:35,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 18:32:35,553 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:32:35,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:32:35,553 INFO L85 PathProgramCache]: Analyzing trace with hash -826390741, now seen corresponding path program 1 times [2024-11-16 18:32:35,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:32:35,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380873549] [2024-11-16 18:32:35,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:32:35,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:32:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:32:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:32:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:32:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:32:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:32:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:32:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:32:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:32:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:32:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:32:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:32:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:32:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:32:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:32:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:32:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:32:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 18:32:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 21 proven. 27 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-16 18:32:36,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:32:36,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380873549] [2024-11-16 18:32:36,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380873549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 18:32:36,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265298241] [2024-11-16 18:32:36,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:32:36,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 18:32:36,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:32:36,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 18:32:36,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 18:32:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:32:36,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-16 18:32:36,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:32:36,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-16 18:32:36,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-16 18:32:37,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-16 18:32:37,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-16 18:32:37,562 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 9 proven. 347 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-16 18:32:37,562 INFO L311 TraceCheckSpWp]: Computing backward predicates...